Megabit Modem MM701G and MM702G
User Manual
Version 2.1.12.x
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About This User Manual
ABOUT THIS USER MANUAL
Use this manual to install, configure, and manage the ADC® Megabit Modem® MM701G and
MM702G. These modems can be used in two types of applications:
•
as an endpoint (CPE) to a DSLAM for Internet and other broadband connection through a
•
as a LAN extension by implementing a point-to-point connection with another modem of
the same model (MM701G to MM701G or MM702G to MM702G)
“Implementing a Point-to-Point LAN Extension.”
To complete a point-to-point installation for two MM701G or two MM702G modems, follow
•
•
•
•
•
Chapter 2, “Accessing the Web Interface for Modem Management”
Chapter 5, “Configuring System Parameters”
Chapter 8, “Configuring Modem Security”
After configuring the modem(s) for your application, monitor its status and perform other
management functions using the instructions in Chapter 9, “Managing the Modem.” If you
choose to manage the modem through the console port, use the instructions in Appendix A,
“Accessing the Command-Line Interface.”
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Document Conventions
DOCUMENT CONVENTIONS
Notes contain information about special circumstances.
Cautions indicate the possibility of personal injury or equipment damage.
The following convention is used to identify the sequence of Web pages and/or menus you
navigate to access the feature configuration.
The top grey bar indicates that the configuration parameter is
System
accessed from menu bar on the System Status page. For example,
select System on the menu bar, then select Password from the
Password
System Options menu. The Web page from which you can change
the username and password is then displayed.
FCC CLASS B COMPLIANCE
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
•
•
•
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
•
Consult the dealer or an experienced radio/TV technician for help.
iv
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Table of Contents
Chapter 1: Installing the Modem ...........................................................................................1
Unpack the Modem ............................................................................................................1
Attach Feet to the Modem ..................................................................................................2
Connect Cables ...................................................................................................................3
Connect the 10Base-T Port ...................................................................................3
LED Status Indications .........................................................................................5
Set Up the Web Browser ....................................................................................................9
Accessing the Modem Web Pages ....................................................................................11
Chapter 3: Configuring the LAN .........................................................................................13
Before You Begin. . ..........................................................................................................13
Configure the LAN............................................................................................................14
Configure DNS Relay Mode .............................................................................................16
Configure DHCP Server Mode .........................................................................................18
Configure the Ethernet Port Mode ....................................................................................23
Chapter 4: Configuring the WAN........................................................................................25
Before You Begin. . ..........................................................................................................25
Configure a New WAN Session........................................................................................26
Set Up an RFC 1483 Bridged Session ................................................................27
Set Up an RFC 1483 Routed Session..................................................................29
Set Up a PPPoA or PPPoE Routed Session ........................................................32
Permanently Save Sessions.................................................................................35
Edit a WAN Session..........................................................................................................36
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v
Table of Contents
Before You Begin. . ..........................................................................................................39
Add SNMP Communities..................................................................................................48
Before You Begin. . ..........................................................................................................57
Chapter 7: Implementing a Point-to-Point LAN Extension...............................................63
Before You Begin. . ..........................................................................................................63
Configure the Remote Modem............................................................................66
Verify Connectivity ...........................................................................................................76
Chapter 8: Configuring Modem Security............................................................................77
Before You Begin. . ..........................................................................................................77
Configure NAT..................................................................................................................78
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Chapter 9: Managing the Modem........................................................................................81
View System Status...........................................................................................................82
View Modem Status............................................................................................82
View System Log................................................................................................84
View WAN Statistics ........................................................................................................85
View LAN Statistics..........................................................................................................87
View SmartCNCT Security Statistics ...............................................................................89
View ATM Statistics .........................................................................................................90
View DSL Statistics ..........................................................................................................92
View G.shdsl Link Statistics...............................................................................92
View G.shdsl Error Counters ..............................................................................94
Manage Software and Configuration.................................................................................96
Update System Software.....................................................................................96
Reset to Factory Defaults....................................................................................98
Appendix A: Accessing the Command-Line Interface........................................................99
Connect to the Console Port............................................................................................100
Access the Command-Line Interface ..............................................................................100
Access through the Console Port ......................................................................101
Access through a Telnet Session.......................................................................103
Set Up the LAN...............................................................................................................104
Manage WAN Sessions...................................................................................................106
Add a New Session ...........................................................................................107
Permanently Save Sessions...............................................................................116
Edit an Existing Session....................................................................................117
Manage DSL....................................................................................................................118
Configure G.shdsl Parameters...........................................................................119
View G.shdsl Configuration..............................................................................124
Monitor G.shdsl Statistics.................................................................................125
Restoring Factory Defaults..............................................................................................130
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vii
Table of Contents
ATM standards..................................................................................................137
MIBs..................................................................................................................140
Hardware Specifications..................................................................................................141
Rate vs. Reach..................................................................................................................145
Appendix C: Contacting ADC .............................................................................................147
Appendix D: Glossary...........................................................................................................149
Index.......................................................................................................................................155
viii
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INSTALLING THE MODEM
1
The MM701G and MM702G are versatile, high-speed modems that connect an Ethernet LAN
to one or more service providers using G.shdsl transmission technology. The connections
provide instant and high-speed broadband access to the Internet or to other types of Wide Area
Networks (WANs). The MM701G and MM702G provide:
•
configuration either as a point-to-point LAN extension or as an end-connection to a
DSLAM (see page iii for the process you must follow to complete either installation)
•
•
larger packet sizes to accommodate VLAN traffic
32 simultaneous Bridge/Router or PPP sessions to the same or different service providers
over the WAN interface
•
•
protocols and services such as DHCP server, DNS Relay, NAT, and RIP
capability to download pre-defined configuration files to the modem flash memory instead
of manually defining each and every value for a modem
STEP 1—UNPACK THE MODEM
If you store the modem for a long period of time, use the original antistatic bag and packaging.
Observe environmental specifications provided in Appendix B.
1
2
Remove the modem from the packaging.
Visually inspect the container for signs of
damage. If the equipment was damaged in
transit, report the damage to the transportation
company and to the sales representative.
L
IN
K
T
X
R
X
C
O
L
P
W
R
S
Y
N
C
T
X
R
X
M
A
R
3
Check the contents of the package for:
•
•
•
•
6 Vdc power supply with cord
black Cat. 5 cable for Ethernet connection
silver cord for DSL connection
M0151-A
flat cable (gray) and DB-9 port adapter for
console port connection
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Determine What You Need
STEP 2—DETERMINE WHAT YOU NEED
In addition to what is shipped with the modem, you need the following hardware and software
to complete the installation and configuration.
Equipment:
Requirement:
PC
Hardware:
•
Ethernet NIC Card (10 Mbps) installed in each PC and other network equipment
that will be connected to the LAN. Verify if the NIC in the device which directly
connects to the modem LAN port is half- or full-duplex. The modem LAN port
must be set to the same transmission direction(s) as the NIC.
•
Optional—serial interface card installed in PC (used for access to the modem
console port).
Software:
•
TCP/IP protocol stack installed (see the operating system documentation for
information).
•
Terminal emulation program (such as HyperTerminal) installed for access to
the command line interface. through the console port (see the operating system
documentation for information).
•
•
Web browser installed such as Internet Explorer® Version 4.0 (or higher).
Operating System CD-ROM (Win98, Win98SE, Win2000, WinME, or WinXP).
Ethernet hub, switch,
or router
Optional—use either a hub, switch, or a router to connect multiple PCs or other
LAN equipment to the modem Ethernet 10Base-T port (LAN port).
STEP 3—ATTACH FEET TO THE MODEM
Attach oval rubber feet to the modem to prevent it from slipping on surfaces (a desktop, for
example) and from scratching those surfaces. Do the following:
1
2
Remove the paper from the adhesive back of the oval rubber feet.
Attach each of the four oval rubber adhesive-backed feet to a footprint recess on the bottom
of the modem.
2
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Chapter 1: Installing the Modem
STEP 4—CONNECT CABLES
Install cables for the Ethernet port (“Connect the 10Base-T Port” below). Then check LED
status on page 5.
Connect the 10Base-T Port
Set the modem MDI/MDI-X switch for the
10Base-T port to allow the modem to connect
directly to other network devices such as a PC,
hub, switch, or router.
M0325-A
1
Set the modem MDI/MDI-X switch to one
of the following:
For connection to
devices such as
a PC Ethernet NIC
•
MDI-X when connecting to a device
such as a PC Ethernet NIC card that
has an MDI port
MDI-X
MDI
•
MDI when connecting to a device such
as a hub, switch, or router that have
MDI-X ports
For connection to
devices such as a
hub, switch, or router
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3
Connect Cables
DSL line
port
Wall jack with
DSL service
DSL LINE
CONSOLE
10BASE-T
PO
WER
M
D
I
M
D
I-X
10Base-T
port
PC, hub or other
network device
M0152-B
Power
connector
Ensure that the NIC in the PC and the modem LAN port are both set to either
half- or full-duplex for the transmission direction(s). If you need to change the
modem LAN port setting to match the NIC, follow the procedures in “Manage
DSL” on page 118 (half-duplex is the default).
2
3
•
•
silver cable to the DSL line port and wall jack
black Ethernet cable to the 10Base-T port and to another Ethernet device such as a PC,
hub, or router
•
power cable to the modem power connector and to facility power
Refer to “LED Status Indications” on page 5, to check modem LED status indications.
4
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Chapter 1: Installing the Modem
LED Status Indications
The following indicates the operational status provided by front panel LEDs.
LED
State
Description
PWR
On green
Off
Modem has power.
Modem does not have power.
LAN
LINK
On green
Off
A PC, hub, or other network device is connected to the modem 10Base-T
interface.
No device is connected to the modem 10Base-T interface.
TX
Flashing green Modem is transmitting data to devices on the LAN.
Off Modem is not transmitting data to the LAN.
Flashing green Modem is receiving data from devices on the LAN.
Off Modem is not receiving data from the LAN.
Flashing green Ethernet packet collisions are occurring.
RX
COL
Off
No Ethernet packet collisions are occurring.
DSL
The service provider sets up the DSL parameters for your service. The modem must have the DSL SYNC LED
lit before you can connect sessions.
SYNC
On green
DSL transceiver is synchronized (connected) and in normal operation mode.
Flashing green Slow flashing green indicates that the DSL transceiver is in a start-up or
handshaking sequence. Fast flashing green indicates that the DSL
transceiver is in training sequence.
Off
Flashing green Modem is transmitting data over the DSL connection.
Off Modem is not transmitting data over the DSL connection.
Flashing green Modem is receiving data over the DSL connection.
Power is not connected.
TX
RX
Off
Modem is not receiving data over the DSL connection.
Local SNR Margin is greater than the SNR Margin Limit.
Local SNR Margin is less than the SNR Margin Limit.
MAR
On green
Off
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5
Connect Cables
6
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ACCESSING THE WEB INTERFACE
FOR MODEM MANAGEMENT
2
Use the Web interface as the most comprehensive and convenient way to set up and manage the
modem. This chapter provides steps to help you access the Web interface pages for
configuration and management of the modem.
Access to the command-line interface is available through the modem console port or over
a network using a telnet session. Not all configuration and management features, however,
are supported through the command-line interface. See Appendix A, “Accessing the
Command-Line Interface” on page 99 for instruction on using the command-line interface for
configuration and management.
To access the modem Web interface, the management PC must be on the same LAN IP subnet
as the modem. Default values are shown to the right. Do one of the following:
•
Change the management PC IP address so that it is on the
same subnet as the modem (go to page 8 and begin with
Step 1).
Modem Defaults
Subnet
10.0.0.0
•
Change the IP address of the modem 10Base-T (LAN) port
to a value assigned by your network administrator using the
command-line interface (go to “Set Up the LAN” on
page 104).
Subnet Mask 255.255.255.0
IP Address
10.0.0.1
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7
Assign IP Addresses
Use the following steps to set up a management PC to be on the same subnet with the modem.
(The example shows instructions for a PC that is running Microsoft Windows 98 SE;
instructions for other operating systems may differ slightly.)
1
2
3
From the Windows desktop, click Start, Settings, Control Panel to open the
Control Panel dialog.
From the Control Panel dialog, double-click the Network icon (shown to the
right). The Network dialog is displayed.
From the Configuration tab, double-click TCP/IP to display the TCP/IP Properties dialog.
TCP/IP Network Configuration
for an Ethernet NIC
4
5
The modem can be set up to serve IP addresses to devices on the LAN (DHCP server
feature). Do one of the following:
•
If DHCP server has not been enabled on the modem (default setting), select Specify an
IP address.
•
If DHCP server has been enabled on the modem, select Obtain an IP address
automatically and go to Step 6.
Enter an IP Address and Subnet Mask that places the management PC on the same subnet as
the modem. Use an IP address in the range of 10.0.0.2 to 10.0.0.254.
6
7
8
Click OK to close the TCP/IP Properties dialog.
Click OK to close the Network dialog.
Click OK to restart the computer.
8
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Chapter 2: Accessing the Web Interface for Modem Management
STEP 2—SET UP THE WEB BROWSER
To access and view the modem Web pages, set up features for the Web browser. The Web
browser must have cache settings enabled to allow the Web browser to compare its cached Web
page against the modem Web page every time it is accessed, providing current information.
Also, it is preferable to disable proxies. (The example below shows setup for the Internet
Explorer Web browser; instructions for other Web browsers may differ slightly.)
1
2
Open the Web browser.
On the menu bar, click Tools, Internet Options to open the Internet Options dialog.
3
4
In the Temporary Internet Files section of the dialog, click Settings.
Select Every visit to the page, then click OK. (This sets enables cache settings.)
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Set Up the Web Browser
5
Click the Connections tab, then click LAN Settings to open the LAN Settings dialog.
6
In the Proxy Server section of the dialog, do one of the following:
•
If the management PC is not connected to an intranet and is connected only to the
modem, clear the Use a proxy server box.
•
If the management PC is connected to the modem and also connected to an intranet
(with an assigned proxy server) using a hub, do the following:
–
–
select the Use a proxy server box
click Advanced, then add the IP address of the modem (default is 10.0.0.1) to the
Exceptions field.
7
8
Click OK to close the LAN Settings dialog.
Click OK to close the Internet Options dialog.
10
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Chapter 2: Accessing the Web Interface for Modem Management
STEP 3—ACCESSING THE MODEM WEB PAGES
Use the following steps to access the login page, enter the Web interface, and navigate the Web
pages. This login is for the system administrator responsible for configuring and managing the
modem.
1
Do one of the following to access the modem Web pages:
•
If you did not change the modem 10Base-T port IP address (page 7), type http://10.0.0.1
in the Location Bar field of the Web browser (shown below), then press ENTER .
Location Bar
•
If you changed the modem 10Base-T port IP address (page 7), type http:// and the new
IP address in the Location Bar field of the Web browser, then press ENTER .
2
Enter the User Name and Password, then click OK.
Login Defaults
Username: admin
Password: password
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Accessing the Modem Web Pages
The System Status page is displayed and functions as a home page with a menu bar. This
menu bar provides navigation to all Web pages used for configuration and management.
Additionally, the System Status page provides a status of the current modem configuration. See
“View System Status” in Chapter 9, “Managing the Modem” for more information about this
System Status page.
12
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CONFIGURING THE LAN
3
The LAN configuration sets up the interface between the modem 10Base-T LAN port and
devices on the LAN. The LAN is managed by your network administrator, who will make the
decisions concerning its topology.
For instructions on setting up the LAN interface for a point-to-point modem application, go to
Chapter 7, “Implementing a Point-to-Point LAN Extension.”
BEFORE YOU BEGIN. . .
Your network administrator will:
❑ Determine if you will use the modem Ethernet port in full- or half-duplex mode.
❑ Identify a subnet value, including IP addresses and subnet masks.
❑ Determine if DHCP for the modem is enabled. If it is enabled, determine if the modem will
be configured as a:
–
–
–
DHCP client which receives an IP address from another device that is a DHCP server
on the LAN
DHCP server (determine the range of IP addresses the modem will need to serve, and
identify the DHCP gateway and DNS server)
DHCP relay agent (determine the IP address to which the DHCP functions will be
relayed)
❑ Determine if DNS Relay mode for the modem is enabled. If it is, identify the IP address for
the DNS server.
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Configure the LAN
CONFIGURE THE LAN
From the LAN Configuration page, configure the parameters for the
LAN as indicated by your system administrator. The default protocol
for the LAN port is bridged.
LAN
LAN Setup
1
Select LAN on the menu bar, then select LAN Setup under [LAN Options] to access the LAN
Configuration page.
2
Configure the following parameters:
LAN Protocol
The LAN protocol is set to bridged and cannot be changed through the Web interface.
If you want to change the protocol to routed, use the command-line interface (go to
“Set Up the LAN” on page 104).
14
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Chapter 3: Configuring the LAN
IP Address
See the LAN administrator for a LAN IP address. Do one of the following:
•
Enter an IP address for the LAN (10Base-T) port provided by the LAN
administrator
•
Use the default IP address for the LAN port which is 10.0.0.1. If you choose to use
the default IP address, ensure that the devices on your LAN are on the same subnet
as this modem LAN port.
•
If you want a DHCP server on your LAN to automatically provide the modem
LAN port IP address, select Client for the DHCP configuration (see DHCP
Client below).
Subnet Mask
See the LAN administrator for the subnet mask. Do one of the following:
•
Enter the subnet mask for the LAN (10Base-T) port provided by the LAN
administrator.
•
Use the default subnet mask for the LAN port which is 255.255.255.0. If you
choose to use the default subnet mask, ensure that it allows devices on your LAN
to access the modem LAN port.
•
If you want a DHCP server on your LAN to automatically provide the subnet mask
in addition to the IP address, select Client for the DHCP configuration (see DHCP
Client below).
DHCP Client
If a DHCP server is not set up and active on your LAN, do not enable DHCP
client. DHCP Client mode is recommended for use only when bridging is used
as the LAN protocol.
A DHCP server must be set up and active on the LAN prior to enabling this feature.
When DHCP Client is Enabled, the modem automatically changes the LAN port IP
address to all zeroes so that the DHCP server on the LAN can immediately serve it an
IP address. This parameter is used when the LAN port is in bridging mode only.
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15
Configure DNS Relay Mode
CONFIGURE DNS RELAY MODE
The DNS resolver on a DNS server maps human-readable addresses
to IP address numbers. A human-readable address is one such as:
LAN
maggie.copro.company.com
As a DNS relay, the modem forwards requests for DNS resolution to another device on the LAN
address for the device that will perform DNS resolution. Either your service provider or LAN
administrator will provide this IP address.
a DNS address in addition to an IP address and subnet mask. The DNS relay will be
automatically enabled and the DNS server IP address will be automatically displayed in the
DNS server IP address field shown on page 17.
If you do not enable DNS relay nor do you enable DHCP client, then you must add the IP
address for a DNS resolver to the Internet Protocol (TCP/IP) setup for your PC (or other DHCP
client). See page 19 for more information on setting up this information.
1
Select LAN on the menu bar, then select DNS Relay under (LAN Options] to access the DNS
Relay mode page.
16
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Chapter 3: Configuring the LAN
If DHCP Client is selected (see “Configure the LAN” on page 14) and a DNS
server IP address assigned, then DNS: Enable Relay is automatically enabled
and the DNS server IP address automatically displayed in that field.
2
Select Enabled, then click Configure to access the following DNS: Enable Relay page.
3
4
Enter the DNS server IP address for the device to which the modem will forward IP address
resolution requests.
Click Apply.
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17
Configure DHCP Server Mode
CONFIGURE DHCP SERVER MODE
From the DHCP server mode page, configure the parameters for the
modem to function as a DHCP server by either directly serving IP
addresses (DHCP server) or forwarding the request to another device
that will provide DHCP services (DHCP relay agent). If you selected
LAN
DHCP Server
DHCP client when you configured LAN parameters (page 15), then DHCP server mode is
automatically set to Disabled.
1
Select LAN on the menu bar, then select DHCP Server under [LAN Options] to access the DHCP
server mode page.
18
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Chapter 3: Configuring the LAN
2
Select one of the following three DHCP server modes as indicated by your LAN
•
Disabled—DHCP server mode is not enabled. If you do not enable DHCP server for the
modem, you must enter a default gateway for each client on your LAN (such as PCs)
and also an IP address for a DNS server. Either the service provider or your LAN
administrator will provide you these IP addresses to enter in the Internet Protocol
(TCP/IP) setup for your PC (or other LAN clients). See “Assign IP Addresses” on
page 7 for information about how to access this dialog. The following is an example
of the dialog and fields that must be filled in (example is from Windows 2000; the
dialog for other operating systems may be slightly different).
Set Internet protocol to: Use
the following IP address:
DHCP default gateway
IP address
DNS server IP address
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19
Configure DHCP Server Mode
•
Enabled—The modem functions as a DHCP server and can serve IP addresses, a DHCP
gateway, and a DNS server IP address to devices on your LAN. When the modem
DHCP server is enabled, then LAN clients (such as PCs) must have their Internet
protocol (TCP/IP) set to Obtain an IP address automatically (see page 19 for an example
of where to select this option).
a
Select Enabled, then click Configure to access the following DHCP Server page
(DHCP Server cannot be enabled when the LAN protocol is in bridge mode).
b
Configure the following parameters when DHCP server is enabled for the modem:
DHCP Range Low
The lowest IP address value that the modem can serve when configured as a
DHCP Server. A maximum of 20 IP addresses can be served by the modem.
This IP address value is provided by your LAN administrator and must be on
the same subnet as the modem LAN port.
DHCP Range High
The highest IP address value that the modem can serve when configured as a
DHCP Server. A maximum of 20 IP addresses can be served by the modem.
This IP address value is provided by your LAN administrator and must be on
the same subnet as the modem LAN port.
20
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Chapter 3: Configuring the LAN
Default Lease Time
The default amount of time, in seconds, that a device on the LAN can be
bound to the IP address it was served before the lease expires. This value is
provided by your LAN administrator.
Max Lease Time
The maximum amount of time, in seconds, that a device on the LAN can be
bound to the IP address it was served before the lease expires. This value is
provided by your LAN administrator.
DHCP Default Gateway
Enter the IP address of the DHCP default gateway that is provided by the
LAN administrator for devices on the LAN. After you configure this IP
address, the modem provides this IP address as a default DHCP gateway to
requesting DHCP clients (such as PCs) on the LAN. If there are no gateways
on the LAN, then the modem LAN port IP address can be assigned as the
gateway.
DHCP DNS Server
Enter the IP address of the Domain Name System (DNS) server that will
either on the LAN or the WAN side of the modem. The modem provides this
IP address as a default DNS server to requesting DHCP clients (such as PCs)
on the LAN. If the DNS server is on the LAN side of the modem, acquire the
IP address from your LAN administrator. If the DNS server is on the WAN
side of the server, acquire the IP address from the service provider.
If you enabled DNS relay on page 16 and entered a DNS server IP address,
then enter the modem LAN port IP address as the DHCP DNS server.
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Configure DHCP Server Mode
•
DHCP relay agent— The modem forwards the request for an IP address, DHCP default
gateway, and DNS server IP address to a device acting as a DHCP server. The DHCP
server can be either on the LAN or the WAN side of the modem. If on the LAN side,
acquire the IP address from your LAN administrator. If on the WAN side, acquire the
IP address from the service provider.
a
Select DHCP relay agent, then click Configure to access the following DHCP Server
page.
b
Enter the DHCP Server IP address for the device to which the modem will forward
DHCP services requests, then click Apply.
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Chapter 3: Configuring the LAN
CONFIGURE THE ETHERNET PORT MODE
The modem LAN (Ethernet) port must be set the same half- or
full-duplex mode as the NIC (or other Ethernet equipment) that
connects directly to it for management. Determine the mode to
which your NIC (or other Ethernet equipment) is set, then configure
the same mode for the modem LAN port.
LAN
Ethernet Mode
1
Select LAN on the menu bar, then select Ethernet Mode under LAN Options] to access the
Ethernet Mode page.
2
Select either Half Duplex or Full Duplex.
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Configure the Ethernet Port Mode
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The WAN configuration sets up from 1 to 32 sessions between the modem and the service
provider or between two G.shdsl modems (see Chapter 7, “Implementing a Point-to-Point LAN
Extension” for more information). Each session can be configured separately, specifying the
protocol, IP address, ATM connection identifier, ATM QoS, and more.
BEFORE YOU BEGIN. . .
The following should be supplied by the service provider before configuring WAN sessions:
❑ Protocol for each session, where the choices are the following for a maximum of 32:
•
•
•
RFC 1483-Bridge (up to 8 sessions)
RFC 1483-Router (up to 16 sessions)
PPPoA or PPPoE (up to 8 sessions for either type)
❑ IP address and subnet mask for each session using RFC 1483-Router protocol.
❑ RIP version (each direction) for each session using RFC 1483-Router protocol or PPP:
•
•
•
RIP Version1
RIP Version 2
RIP Version 1 and RIP Version 2
❑ Encapsulation for 1483-Bridge or 1483-Router, where the choices are:
•
•
LLC
VCMux
❑ Login and authentication for each session using PPP protocol, where the choices are:
•
•
login name and password
authentication type of either PAP or CHAP
❑ ATM parameters for each session, including:
•
•
VPI and VCI values
Quality of Service (QoS) which could be UBR, CBR, or VBR-nrt, and VBR-rt, and
applicable cell rates
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Configure a New WAN Session
CONFIGURE A NEW WAN SESSION
You can configure up to 32 total PPPoA, PPPoE, 1483-Bridge, and
1483-Router sessions for the modem. See page 25 for the maximum
number of sessions per each protocol type that can be set up.
A default bridging session is set up. From the WAN configuration
page, define the parameters for each session.
WAN
WAN Setup
1
Select WAN on the menu bar to access the WAN Configuration page.
2
To add a new session, choose one of the following protocols from Select a new session type.
•
RFC 1483 bridged if the modem forwards packets based on MAC addresses. You can
enable Spanning Tree when you select Bridge sessions. See “Change Spanning Tree
Setting” on page 51.
•
•
RFC 1483 routed if the modem routes packets based on IP addresses.
PPPoA routed if the modem establishes PPP sessions over ATM with the service
provider and routes packets based on IP addresses.
•
PPPoE routed if modem establishes PPP sessions over Ethernet with the service
provider and routes packets based on IP addresses.
3
4
Click Configure to access the session page for the protocol type you selected.
Go to the appropriate section that follows for the protocol that you selected.
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Chapter 4: Configuring the WAN
Set Up an RFC 1483 Bridged Session
You selected RFC 1483 bridged from the WAN Configuration page to display the following page.
1
Configure the following parameters for each session:
Session Name
Enter a unique, descriptive identifier for the session. This name can have a maximum
of 32 characters.
Virtual Path ID (VPI)
Enter the value (from 0 to 4,095) provided by the service provider. The number
identifies the virtual path that transports ATM cells between the modem and the
service provider. This value must match the virtual path identification (VPI) value
the service provider uses for this connection.
Virtual Channel ID (VCI)
Enter the value (from 32 to 65,535) provided by the service provider. The number
identifies the virtual channel for this session that transports ATM cells between the
modem and the service provider. This value must match the virtual channel
identification (VCI) value the service provider uses for this connection.
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Configure a New WAN Session
ATM QoS
Select the ATM Quality of Service indicated by your service provider. The options are:
•
•
•
•
UBR (unspecified bit rate is the default setting)
CBR (constant bit rate)
VBR-rt (variable bit rate real-time)
VBR-nrt (variable bit rate non-real-time)
QoS Peak Cell Rate
Enter the QoS Peak Cell Rate (PCR) value supplied by your service provider. If you
are not provided a PCR value, use the default. PCR is the maximum rate at which data
is transferred on the line and measured in ATM cells per second. The valid range is
1-5500 cells per second. The default PCR is 5500.
QoS Sustainable Cell Rate
Enter the QoS Sustainable Cell Rate (SCR) value supplied by your service provider.
Use for VBR-rt, and VBR-nrt ATM QoS. SCR is the average rate at which ATM cells
are transferred, measured in cells per second. The SCR must be less than the PCR. The
valid range is 1-5500 cells per second.
QoS Maximum Burst Size
Enter the QoS Maximum Burst Size (MBS) value supplied by your service provider.
Use with VBR-rt and VBR-nrt QoS. MBS is the maximum number of cells that can be
transmitted at the peak cell rate. The MBS rate must be equal to or less than the PCR.
The default MBS is 0.
Encapsulation
Select the encapsulation type as indicated by the service provider. The options are:
•
LlcBridged—Logical Link Control allows multiple protocols to be run over the
session. This is the default encapsulation.
•
VcMuxBridged—Virtual Channel Multiplexer-based encapsulation allows one
protocol to be run over the session.
2
Click Create to add the new RFC1483-Bridge session to your session list on the WAN
Configuration page.
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Chapter 4: Configuring the WAN
Set Up an RFC 1483 Routed Session
You selected RFC 1483 routed from the WAN Configuration page to display the following page.
1
Configure the following parameters for each session:
Session Name
Enter a unique, descriptive identifier for the session. This name can have a maximum
of 32 characters.
Virtual Path ID (VPI)
Enter the value (from 0 to 4,095) provided by the service provider. The number
identifies the virtual path that transports ATM cells between the modem and the
service provider. This value must match the virtual path identification (VPI) value
the service provider uses for this connection.
Virtual Channel ID (VCI)
Enter the value (from 32 to 65,535) provided by the service provider. The number
identifies the virtual channel for this session that transports ATM cells between the
modem and the service provider. This value must match the virtual channel
identification (VCI) value the service provider uses for this connection.
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Configure a New WAN Session
ATM QoS
Select the ATM Quality of Service indicated by your service provider. The options are:
•
•
•
•
UBR (unspecified bit rate is the default setting)
CBR (constant bit rate)
VBR-rt (variable bit rate real-time)
VBR-nrt (variable bit rate non-real-time)
QoS Peak Cell Rate
Enter the QoS Peak Cell Rate (PCR) value supplied by your service provider. If you
are not provided a PCR value, use the default. PCR is the maximum rate at which data
is transferred on the line and measured in ATM cells per second. The valid range is
1-5500 cells per second. The default PCR is 5500.
QoS Sustainable Cell Rate
Enter the QoS Sustainable Cell Rate (SCR) value supplied by your service provider.
Use for VBR-rt, and VBR-nrt ATM QoS. SCR is the average rate at which ATM cells
are transferred, measured in cells per second. The SCR must be less than the PCR. The
valid range is 1-5500 cells per second.
QoS Maximum Burst Size
Enter the QoS Maximum Burst Size (MBS) value supplied by your service provider.
Use with VBR-rt and VBR-nrt QoS. MBS is the maximum number of cells that can be
transmitted at the peak cell rate. The MBS rate must be equal to or less than the PCR.
The default MBS is 0.
Encapsulation
Select the encapsulation type as indicated by the service provider. The options are:
•
LlcRouted—Logical Link Control allows multiple protocols to be run over the
session. This is the default encapsulation.
•
VcMuxRouted—Virtual Channel Multiplexer-based encapsulation allows one
protocol to be run over the session.
30
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Chapter 4: Configuring the WAN
DHCP Client
Select to enable DHCP client where this session will automatically received an IP
address from the service provider via a DHCP server. If you select DHCP client, leave
the next two fields, IP address and Subnet Mask, blank. These fields will automatically
receive values.
IP Address
Enter the IP address provided by the service provider for this session. Or if DHCP
Client was selected, the IP address will automatically be assigned by a DHCP server
on the WAN side of the network. The default IP address is 0.0.0.0.
Subnet Mask
Enter the subnet mask provided by the service provider for this session or use the
default subnet mask for the session which is 255.0.0.0. Or if DHCP Client was
selected, the subnet mask will automatically be assigned by a DHCP server on the
WAN side of the network.
RIP Send
This session forwards RIP version 1 (Ver 1), RIP version 2 multicast (Ver2 (M-cast)),
RIP version 2 broadcast (Ver2 (B-cast)), or all versions of RIP packets. Select the RIP
version or versions the modem will send on this session. The default is Ver2 (B-cast).
RIP Accept
This session receives RIP version 1 (Ver 1) only, RIP version 2 (Ver 2) only, or both
versions of RIP packets. Select the RIP version or versions the modem will receive for
this session. The default is RIP Ver 1 and Ver 2.
2
Click Create to add the new RFC1483-Router session to your session list on the WAN
Configuration page.
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Configure a New WAN Session
Set Up a PPPoA or PPPoE Routed Session
You selected either PPPoA routed or PPPoE routed from the WAN Configuration page to display the
following page. The PPPoA routed configuration page is shown below as an example. The
configuration parameters for PPPoE routed are identical.
1
Configure the following parameters for each session:
Session Name
Enter a unique, descriptive identifier for the session. This name can have a maximum
of 32 characters.
Virtual Path ID (VPI)
Enter the value (from 0 to 4,095) provided by the service provider. The number
identifies the virtual path that transports ATM cells between the modem and the
service provider. This value must match the virtual path identification (VPI) value
the service provider uses for this connection.
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Chapter 4: Configuring the WAN
Virtual Channel ID (VCI)
Enter the value (from 32 to 65,535) provided by the service provider. The number
identifies the virtual channel for this session that transports ATM cells between the
modem and the service provider. This value must match the virtual channel
identification (VCI) value the service provider uses for this connection.
ATM QoS
Select the ATM Quality of Service indicated by your service provider. The options are:
•
•
•
•
UBR (unspecified bit rate is the default setting)
CBR (constant bit rate)
VBR-rt (variable bit rate real-time)
VBR-nrt (variable bit rate non-real-time)
QoS Peak Cell Rate
Enter the QoS Peak Cell Rate (PCR) value supplied by your service provider. If you
are not provided a PCR value, use the default. PCR is the maximum rate at which data
is transferred on the line and measured in ATM cells per second. The valid range is
1-5500 cells per second. The default PCR is 5500.
QoS Sustainable Cell Rate
Enter the QoS Sustainable Cell Rate (SCR) value supplied by your service provider.
Use for VBR-rt, and VBR-nrt ATM QoS. SCR is the average rate at which ATM cells
are transferred, measured in cells per second. The SCR must be less than the PCR. The
valid range is 1-5500 cells per second.
QoS Maximum Burst Size
Enter the QoS Maximum Burst Size (MBS) value supplied by your service provider.
Use with VBR-rt and VBR-nrt QoS. MBS is the maximum number of cells that can be
transmitted at the peak cell rate. The MBS rate must be equal to or less than the PCR.
The default MBS is 0.
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Configure a New WAN Session
LLC Header
Select either true or false for the LLC header. The default is false. False indicates that
VCMux encapsulation is used. True indicates that LLC/Snap encapsulation is used.
IP Address
The IP address is dynamically served by the service provider for this session. When
the modem has received the IP address for this session, it displays the value in this
field. Also, the IP address dynamically received for the first PPP session set up is
assigned as the default gateway (see page 44).
If the service provider does not dynamically provide an IP address, they can give you
a static IP address that you can enter in this field.
Subnet Mask
The subnet mask is dynamically served by the service provider for this session. The
default subnet mask for the session is 0.0.0.0.
If the service provider does not dynamically provide a subnet mask, they can give you
a subnet mask value that you can enter in this field.
RIP Send
This session forwards RIP version 1 (Ver 1), RIP version 2 multicast (Ver2 (M-cast)),
RIP version 2 broadcast (Ver2 (B-cast)), or all versions of RIP packets. Select the RIP
version or versions the modem will send on this session. The default is Ver2 (B-cast).
RIP Accept
This session receives RIP version 1 (Ver 1) only, RIP version 2 (Ver 2) only, or both
versions of RIP packets. Select the RIP version or versions the modem will receive for
this session. The default is RIP Ver 1 and Ver 2.
Authentication
Select the authentication protocol provided by your service provider for PPP sessions.
The authentication protocol type must match at the modem and the service provider.
The options are:
•
•
•
PAP—The modem sends authentication requests to the service provider and
authentication occurs only once during the life of the DSL link.
CHAP—The service provider returns an authentication challenge to the modem
during the authentication (default setting).
NONE—No authentication is required for the session.
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Chapter 4: Configuring the WAN
Login
Change the default login name (admin) for this PPP session to the Login name supplied
by the service provider. Minimum login name length is one character and the
maximum is 32 characters.
Password
Change the default login password (password) for this PPP session to the Login
password supplied by the service provider. Minimum password length is six characters
and the maximum is 32 characters.
2
Configuration page.
Permanently Save Sessions
After you have set up all the WAN sessions, save these changes permanently as described in
Chapter 5, “Saving Changes.”
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Edit a WAN Session
EDIT A WAN SESSION
You can change parameters for any of the 32 PPPoA, PPPoE,
1483-Bridge, and 1483-Router sessions for the modem. See page 25
for the limits on sessions per each protocol type. From the WAN
configuration page, configure the parameters for each session you
will set up.
WAN
WAN Setup
1
Select WAN on the menu bar to access the WAN Configuration page.
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Chapter 4: Configuring the WAN
2
Select a session from the [WAN Sessions] list. The configuration options for that WAN
session is displayed.
The following shows the fields you can edit for a routing session or you can delete the
session. The Protocol field at the top of the dialog is read-only. It indicates the protocol that
you previously selected for this session.
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Edit a WAN Session
The following shows the fields you can edit for a PPP session or you can delete the session.
The Protocol field at the top of the dialog is read-only. It indicates the protocol that you
previously selected for this session.
3
Change session parameters as required. Go to the following pages for parameter definitions
based on the protocol used for that session:
•
•
•
•
For an RFC1483-Bridge session, go to page 27.
For an RFC1483-Routed session, go to page 29.
For a PPPoA Routed session, go to page 32.
For a PPPoE Routed session, go to page 32.
4
Do one of the following:
•
•
Click Apply, then save changes as described in Chapter 5, “Saving Changes.”
Click Delete to entirely remove the session, then save changes as described in
Chapter 5, “Saving Changes.”
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CONFIGURING
5
These configuration parameters affect system functions for the modem. Other system
parameters used to manage or troubleshoot the modem (updating modem software, for
example) are in Chapter 9, “Managing the Modem.”
BEFORE YOU BEGIN. . .
Determine the following before changing system parameters:
❑ If secured management access is required for the modem, add users and assign one of three
predefined security levels: Default, Engineer, or Super User.
❑ If SNMP authentication is required, add SNMP communities with either read or write
access.
❑ Add the IP address for the network default router through which packets are forwarded.
❑ If static routes will be used to predetermined destinations, identify the destination host or
network IP address. Also, identify the next hop gateway IP address for devices on your
LAN (for example, the modem LAN port IP address).
❑ If spanning tree protocol is required, based on one or both of the following conditions, then
enable it:
–
–
RFC 1483-Bridge protocol is used for any session or for the 10Base-T port (LAN)
there are multiple bridging devices on a LAN with more than one physical path
connecting them and you want to prevent loops
Otherwise, disable spanning tree protocol.
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Assigning User Access
ASSIGNING USER ACCESS
The modem provides secure access for managing and viewing
modem configuration. Three levels of access are predefined and can
be assigned to users you set up. These security logons are required
for access to the Web interface or to access the command-line
interface through either the console port or through a telnet session.
System
User Administration
For the three levels of predefined access, it is recommended that you change the passwords for
all three accesses to secure the modem for management. The following procedures show how
to add, modify, or delete user accounts.
1
Select System on the menu bar, then select User Administration under [Configuration] to access
the Users’ List page.
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Chapter 5: Configuring System Parameters
2
To add a new user account, do the following:
a
Click Add a new user. The following dialog is displayed.
It is important to change the password for all three default user accounts to
ensure secure access to modem for configuration and management.
b
Enter the following information:
Defaults
User Name admin
User Name
Password
password
The login name for this user. The login name can
be a maximum of 32 characters and all keyboard
characters, except a space, are allowed.
Access level superuser
User Name isp
Password
password
Password
Access level engineer
User Name user
The password associated with this user login.
The password must be a minimum of six and a
maximum of 32 alphanumeric characters
(including caps and lowercase).
Password
password
Access level default
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Assigning User Access
Access Level
The level of access to modem configuration and management allowed for this
user. Choose from the following access levels.
Access Level
Super User
Definition
This user has full administrative access to the modem. This
includes full view and write access to all modem configuration
and management.
Engineer
Default
This user has write access to all LAN-side and DSL configuration
(including DSL testing) only. All other configuration access
(WAN session and System) is view only.
This user has view only access to all modem configuration and
management. Default is the default access level when setting up
new user accounts.
Comment
Identifies the user in a way that is meaningful to you. All keyboard characters
are allowed.
c
Click Add. The new entry is added to and is displayed in the Users’ List table (see
page 40).
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Chapter 5: Configuring System Parameters
3
To modify or delete an existing user entry, do the following:
It is important to change the default password for all three default user
accounts to ensure secure access to modem for configuration and
management.
a
From the Users’ List table (see page 40), select the name in the User column that you
want to change or delete. The following dialog is displayed.
b
c
To modify the user account, change any of the parameters. Click Apply.
To delete the user account, click Delete. The user account is immediately removed from
the Users’ List table.
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Add a Default Gateway
ADD A DEFAULT GATEWAY
The modem default gateway is a IP address through which packets
are routed to the internet if the next hop IP address cannot be
identified by the modem. Use either the IP address of a WAN session
or 0.0.0.0 (default value).
System
Default Gateway
When setting the modem default gateway, if the first session you set up was a PPP session, the
IP address that was dynamically assigned to that PPP session was also automatically assigned
as the default gateway. If you do not want this IP address (PPP WAN session) as the default
gateway, then use this page to change it to another value.
1
Select System on the menu bar, then select Default Gateway under [Configuration] to access the
Default Gateway page.
2
3
To add a default gateway, enter the IP address for the gateway through which the modem
will forward packets. Click Apply.
To remove the default gateway IP address, click Delete.
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Chapter 5: Configuring System Parameters
ADD STATIC ROUTE ENTRIES
A static route provides a defined path from one host or network to a
destination host or network. This type of route is manually entered
as a fixed path, as contrasted to a dynamic route which is
System
Static Routes
automatically determined and learned (RIP, for example). If the next
gateway for network traffic is unknown, a static route will be its default path.
1
Select System on the menu bar, then select Static Routes under [Configuration] to access the
Static Routes page.
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Add Static Route Entries
2
To add a new static route, do the following:
a
On the Static Routes page, click Create a new IP route. The following dialog is displayed.
b
Enter the following information for the static route.
Destination
The IP address for the destination network, subnet, or host to which the packets
are directed. Use 0.0.0.0 as the destination IP address for a default route.
Gateway
The IP address for the next hop in your network to which the packets are
forwarded. For example, if your network is connected either directly or through a
hub to the LAN port of the modem, then the LAN port IP address can be the next
hop. Or, a WAN port can be the next hop for traffic.
Netmask
The network mask defining the route and access for the destination IP address.
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Chapter 5: Configuring System Parameters
Cost
The number of hops (gateways) from 1 to 15 through which this traffic can pass
before reaching its destination.
c
Click Create. The new entry is added to and is displayed in the Static Routes table (see
page 45).
3
To delete a static route entry, do the following:
a
From the Static Routes table (page 45), click the IP address in the Destination column
that you want to delete. The following dialog is displayed.
b
Click Delete to remove the static route entry or click Cancel to stop the operation and
return to the Static Routes table.
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Add SNMP Communities
ADD SNMP COMMUNITIES
An SNMP community provides the authentication and authorization,
through its community string, to view and/or change modem
parameters.
System
SNMP Communities
1
Select System on the menu bar, then select SNMP Communities under [Configuration] to access
the SNMP Community List page. Go to step 2 to add an SNMP community or go to step 3 to
change or delete an existing SNMP community.
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Chapter 5: Configuring System Parameters
2
To add a new SNMP community, do the following:
a
On the SNMP Community List page, click Add a new community. The following dialog is
displayed.
b
Enter the following information for the SNMP community.
Name
Identification for this SNMP community. All keyboard characters are allowed for
this name, up to a maximum of 80 characters. You must add a community name
in this field to later edit or delete the SNMP community. This name in the SNMP
Community List table provides the link for editing or deleting the entry.
Access Privilege
The access allowed to this SNMP community. Accesses are either Read
(view-only access) or Write (full view and write access).
c
Click Add. The new entry is added to and is displayed in the SNMP Community List table
(see page 48).
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Add SNMP Communities
3
To modify or delete an SNMP community, do the following:
a
From the SNMP Community List table, select the SNMP community Name. The following
dialog is displayed.
b
Do one of the following:
–
–
Change the Access Privilege, then click Apply.
Click Delete to remove the static SNMP community.
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Chapter 5: Configuring System Parameters
CHANGE SPANNING TREE SETTING
Spanning tree eliminates loops in a LAN topology, ensuring that
there is only one path (or link) between any two nodes in a network.
Use spanning tree protocol (STP) when RFC 1483-Bridge protocol
is assigned to either or both of the following:
System
Configuration
•
•
WAN sessions (see “Configure a New WAN Session” on page 26)
LAN port and the LAN has more than one device (PCs and servers, for example) and those
devices have more than one physical path connecting them.
The default spanning tree setting is disabled. Access spanning tree configuration as follows:
1
Select System on the menu bar, then select Spanning Tree under [Configuration] to access the
Bridge Spanning Tree page.
2
Enter the following parameters to enable STP for bridging sessions:
Spanning Tree
Select Enable to activate the STP for all RFC 1483-Bridge sessions. Disable turns
off STP for all modem bridging sessions.
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51
Change Spanning Tree Setting
Priority
The modem STP priority (how centrally located this bridge is) in the network. A
lower number indicates a more centrally located bridge. The valid priority range
is 0 to 65535. A priority of 32768 is the default value.
Hello Time
The time interval in seconds at which the modem should send STP packets.
Default value is 2 seconds.
Forward Delay
The time interval in seconds that should be waited until the state of an interface
can change. This delay prevents interface states from changing so rapidly that STP
cannot keep up with the current network topology and therefore cannot efficiently
managing bridging. Default value is 15 seconds.
Max Age
The time interval in seconds after which Spanning Tree entries that are not
relearned are deleted from the bridging table. Default value is 20 seconds.
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Chapter 5: Configuring System Parameters
SAVING CHANGES
Use the Save Changes page for saving your current configuration to
Save Changes
flash memory. This option immediately writes all current system
configuration to permanent memory (NVRAM). You cannot selectively write configuration to
NVRAM. When you issue the save command, all current configuration is written to NVRAM.
When saving the modem configuration, do not power off the modem while the
save is in process.
1
Select Save Changes on the menu bar to access the Save Changes page.
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Saving Changes
2
Do one of the following:
•
Click Save to write the configuration to flash memory and do not power off the modem
while the save is in progress. The following dialog is displayed when the save is
completed.
•
Click Cancel to exit the current page without saving your configuration.
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Chapter 5: Configuring System Parameters
REBOOTING THE MODEM
Before rebooting the modem, save any configuration changes you
have made using the steps in “Saving Changes” on page 53.
Reboot
1
Select Reboot on the menu bar to access the Reboot page.
2
Do one of the following:
•
•
Click Yes to reboot the modem.
Click No to cancel the rebooting process.
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Rebooting the Modem
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CONFIGURING DSL PARAMETERS
6
the modem are preset to immediately synchronize with the service provider (DSLAM
application). However, you may be instructed to make changes to the DSL configuration. This
chapter provides information for setting G.shdsl parameters when the modem is in an
application as a DSLAM endpoint. For instruction on setting up G.shdsl parameters for a
point-to-point modem application, go to Chapter 7, “Implementing a Point-to-Point LAN
Extension.”
BEFORE YOU BEGIN. . .
The following are configurable DSL parameters for the G.shdsl modem; change parameters
only when instructed to do so by the service provider or your system administrator.
❑ The operating mode choices are Remote (use when the modem is an endpoint for a DSLAM
application or the customer-side modem in a point-to-point application) or Central-Office
(use only for the central office-side modem in a point-to-point application)
❑ Annex A or B provides the appropriate operating characteristics for G.shdsl, dependent on
your geographical location.
❑ A margin value, in decibels, that must be met to initialize modem.
❑ Either fixed or adaptive mode that the modem will use to negotiate the best transmission
rate at which both ends of the connection can synchronize.
❑ Wire pair mode, either Single (two-wire) or Dual (four-wire), can be selected only for the
MM702G modem. The MM701G modem is used only in Single mode.
❑ PSD mask is either symmetric or asymmetric. The values used to calculate the asymmetric
mask are dependent on the Annex A or B you selected.
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Complete a G.shdsl Quick Configuration
COMPLETE A G.SHDSL QUICK CONFIGURATION
Configure basic operating parameters for the modem.
DSL
1
Select DSL on the menu bar, then select Quick Configuration under
[DSL Options].
Quick Configuration
2
Configure the following parameters as directed by your service provider:
Operating Mode
mode is Remote (default setting).
When two modems are used in a point-to-point application (LAN extension, for
example), one modem at the customer or user site is set to Remote and the second
modem in the CO or wiring closet is set to Central-Office. For instruction on setting up
G.shdsl parameters and other related parameters for a point-to-point modem
application, go to Chapter 7, “Implementing a Point-to-Point LAN Extension.”
Standard Annex
Select one of the following Annexes:
•
Annex-A for operating conditions typically found in the North American
implementation of G.shdsl
•
Annex-B for operating conditions typically found in the European implementation
of G.shdsl. This is the default mode for the MM701G modem.
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Chapter 6: Configuring DSL Parameters
•
Auto for automatically negotiating the Annex A or B standard by which this
modem, and the device to which this modem is attached, can operate. This is the
default mode for the MM702G modem.
•
•
Annex-B_ANFP for operating conditions that include the Annex B standard with
Access Network Frequency Plan Pulse Spectral Density (PSD) mask.
Auto_ANFP for automatically negotiating the Annex A or B standard with Access
Network Frequency Plan Pulse Spectral Density (PSD) mask.
Startup Margin
The target signal-to-noise margin, in decibels, that the modem must achieve with a
BER of 10-7 or better to successfully complete synchronization. The default margin
value is 6 dB. A lower margin may result in a higher data rate, but it can increase noise
on the line. Possible values are -10dB through 10dB, or to completely Disable the
margin.
Bit Rate Mode
Bit rate mode indicates how the modem synchronizes with the device to which it is
attached in either a Fixed or Adaptive mode. The default for the MM702G modem is
Fixed mode. The default for the MM701G modem is Adaptive mode.
•
Fixed mode indicates that the modem will synchronize with the other end (a
DSLAM or another modem) at a fixed bit rate through negotiation. The modem
will synchronize at the best rate, up to the data rate specified (page 61), that can
be achieved by both ends.
•
Adaptive mode indicates that prior to modem negotiating a rate, the modem
performs an adaptation phase during which it determines a best possible rate based
on conditions of the line. After adaptive mode, the modem will then negotiate the
best rate that can be achieved with the other end, based on the adaptation results.
3
Click Apply.
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Complete a DSL Advanced Configuration
COMPLETE A DSL ADVANCED CONFIGURATION
Configure the G.shdsl parameters for the modem to facilitate it
synchronizing with either a DSLAM or another modem to which it
attaches.
DSL
Advance Configuration
1
Select DSL on the menu bar, then select Advance Configuration under [DSL Options].
2
Configure the following parameters as directed by your service provider:
Operating Mode
mode is Remote (default setting).
When two modems are used in a point-to-point application (LAN extension, for
example), one modem at the customer or user site is set to Remote and the second
modem in the CO or wiring closet is set to Central-Office. For instruction on setting up
G.shdsl parameters and other related parameters for a point-to-point modem
application, go to Chapter 7, “Implementing a Point-to-Point LAN Extension.”
Standard Annex
Determines the transmission standards to which this G.shdsl connection will comply.
The Annex standard should be the same at both ends of the connection. Select one of
the following Annexes:
•
Annex-A for operating conditions typically found in the North American
implementation of G.shdsl
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Chapter 6: Configuring DSL Parameters
•
•
Annex-B for operating conditions typically found in the European implementation
of G.shdsl. This is the default mode for the MM701G modem.
Auto for automatically negotiates the Annex A or B standard by which this modem,
and the device to which this modem is attached, can operate. This is the default
mode for the MM702G modem.
•
•
Annex-B_ANFP for operating conditions that include the Annex B standard with
Access Network Frequency Plan Pulse Spectral Density (PSD) mask.
Auto_ANFP for automatically negotiating the Annex A or B standard with Access
Network Frequency Plan Pulse Spectral Density (PSD) mask.
Startup Margin
The target signal-to-noise margin, in decibels, that the modem must achieve with a
BER of 10-7 or better to successfully complete synchronization. The default margin
value is 6 dB. A lower margin may result in a higher data rate, but it can increase noise
on the line. Possible values are -10dB through 10dB, or to completely Disable the
margin.
Data Rate (kbps)
Data rate determines the maximum transmission rate, in kilobits per second, up to
which the modem can negotiate and synchronize with another device (modem or a
DSLAM) to which it is attached. When the Bit Rate Mode (page 62) is set to Fixed, the
range of values are (ADC modems comply with the standard G.shdsl data rate range):
•
for the MM702G modem, 384 kbps to 4608 kbps, in 128 kbps increments (default
value is 4608)
•
for the MM701G modem, 192 kbps to 2304 kbps, in 64 kbps increments
Rates down to 64 kbps are supported only when operating in single-pair,
point-to-point mode with another ADC modem. (see Chapter 7, “Implementing a
Point-to-Point LAN Extension”).
When the Bit Rate Mode (page 62) is set to Adaptive for an MM701G (Adaptive is
MM701G default value) or for an MM702G set to Single Wire Pair Mode only (see
below), this field is automatically set to Adaptive. An MM702G in Dual Wire Pair Mode
cannot be used in Adaptive Bit Rate Mode.
Wire Pair Mode
Indicates whether the G.shdsl modem is operating in a two-wire mode (Single) or a
four-wire mode (Dual). For the MM701G modem, Single mode is the only setting
available. For the MM702G modem, you can select either Single or Dual mode and
Dual mode is the default.
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Complete a DSL Advanced Configuration
Power Spectrum Distribution
The Power Spectral Density (PSD) plots the variations of signal power with signal
frequency for the G.shdsl transmission between the modem and the DSLAM or the
of the transmission (the CO- and remote-side) are the same (symmetric).
Asymmetric PSD indicates that the PSD mask for both sides of the transmission
(the CO- and remote-side) are not the same (asymmetric). There are two unique
numeric values (AsymmetricRate1 and AsymmetricRate2) used to determine the
asymmetric PSD mask based on the Annex A or Annex B standard that you selected
(see page 60). AsymmetricRate1 is 784 kbps for Annex A and 2312 kbps for Annex B.
AsymmetricRate2 is 1552 kbps for Annex A and 2056 kbps for Annex B.
Both ends of the connection must be set for the same Symmetric or Asymmetric PSD.
The default is Symmetric.
Bit Rate Mode
Bit rate mode indicates how the modem synchronizes with the device to which it is
attached in either a Fixed or Adaptive mode. The default for the MM702G modem is
Fixed mode. The default for the MM701G modem is Adaptive mode.
•
Fixed mode indicates that the modem will synchronize with the other end (a
DSLAM or another modem) at a fixed bit rate through negotiation. The modem
will synchronize at the best rate, up to the data rate specified (page 61), that can
be achieved by both ends.
•
Adaptive mode indicates that prior to modem negotiating a rate, the modem
performs an adaptation phase during which it determines a best possible rate based
on conditions of the line. After adaptive mode, the modem will then negotiate the
best rate that can be achieved with the other end, based on the adaptation results.
An MM702G in Dual Wire Pair Mode cannot be used in Adaptive Bit Rate Mode.
Test Bit Rate
This bit rate is used by the manufacturer for internal use only.
SNR Margin Limit
Identifies the minimum SNR margin (in decibels) that must exist when the G.shdsl
connection is synchronized and in order for the DSL MAR LED to be lit ON Green.
The range of values is -64 to 63. The default value is 4.
3
Click Apply then save changes using “Saving Changes” on page 53.
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IMPLEMENTING A POINT-TO-POINT
LAN EXTENSION
7
Two ADC G.shdsl modems can be implemented in a point-to-point application (also called
back-to-back). In this application, the modems can be used to connect remote LANs to
create LAN extensions. In this point-to-point application, one ADC G.shdsl modem is set to
Remote mode and the other ADC G.shdsl modem is set for Central-Office mode. By bridging
traffic between these two modems, you essentially create one extended LAN that allows the use
of a single IP subnet.
Although you can set up multiple sessions on these modems, only one RFC 1483-Bridge
sessions is required for implementing a point-to-point LAN extension.
The ADC modems comply with the standard G.shdsl data rate range of 192 kbps to 2304 kbps.
Additionally, rates down to 64 kbps are supported only when using the G.shdsl modem in
single-pair, point-to-point mode for a LAN extension application.
BEFORE YOU BEGIN. . .
Determine which of these implementations apply for your application:
❑ Quick Install—If your application does not require custom configuration, you can use the
default modem settings. To implement, the Remote mode modem is already configured
changes are necessary for this modem to implement service. The Central-Office modem
requires only two configuration changes to set the modem to Central-Office mode. These
changes are described in “Complete a Quick Installation” on page 64.
❑ Custom Configuration—If you implement custom configuration where you do not use
factory default parameters for your modems, refer to “Complete a Custom Configuration”
on page 66 to configure the Remote modem and to configure the Central-Office modem.
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Complete a Quick Installation
COMPLETE A QUICK INSTALLATION
The modem is shipped with factory defaults as a Remote modem and does not
require any additional configuration when used as a remote. Only the
Central-Office modem requires configuration changes.
In a quick installation, you change configuration only for the Central-Office mode modem. The
Remote modem uses its factory default parameters. To set up the Central-Office modem, follow
the instructions in the following sections. The modems use a default bridging WAN session
(RFC1483-bridged) which has a predefined ATM connection using Virtual Path ID of 0 and
Virtual Channel ID of 35.
Configure for Central-Office Mode
1
Select DSL on the menu bar, then select Advance Configuration under [DSL Options].
2
3
In the Operating Mode box, select Central-Office to set up this modem for this mode.
Click Apply.
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Chapter 7: Implementing a Point-to-Point LAN Extension
Change the LAN IP Address for the Central-Office Modem
Because the Central-Office and Remote modems are on the same IP subnet in this point-to-point
application, you must change the IP address for the Central-Office modem.
1
Select LAN on the menu bar to access the LAN Configuration page.
2
3
In the IP address box, enter 10.0.0.2.
Any device (such as a PC) connecting to the modem LAN interface loses its
is changed, you need to specify this new address in the Web browser to
reconnect a device.
Click Apply to activate the changes. The connection to the Web interface will be lost
because the modem now has a new LAN IP address.
4
5
In the Web browser address field (see page 11), specify http://10.0.0.2 to reconnect.
Click Save Changes on the menu bar to prevent losing the configuration after restoring
communication with the modem.
You are now finished with the Quick Installation. To verify connectivity, refer to “Verify
Connectivity” on page 76
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Complete a Custom Configuration
COMPLETE A CUSTOM CONFIGURATION
If you implement custom configuration where you do not use factory default parameters for
your modems, you will need to make changes to the configuration on both the Remote and the
Central-Office modem. The following sections provide configuration changes for the Remote
modem and then for the Central-Office modem.
Configure the Remote Modem
To configure the remote modem, you need to change the following settings:
•
•
•
operating mode for the modem, (see “Configure the Remote Operating Mode” on page 66)
WAN parameters, (see “Configure the Remote WAN” on page 67)
LAN parameters, (see “Configure the Remote LAN” on page 69)
Configure the Remote Operating Mode
1
Select DSL on the menu bar then select Advance Configuration under [DSL Options].
2
3
In the Operating Mode box, select Remote to configure the modem for this mode.
Click Apply.
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Complete a Custom Configuration
2
Select RFC 1483 bridged from the WAN Configuration page to display the following page.
3
4
In the Session Name box, assign a name to this session.
In the Virtual Path ID (VPI 0 - 4,095) box, enter the Virtual Path ID. This must match the
Virtual Path ID of the Central-Office modem.
5
6
In the Virtual Channel ID (VCI 32 - 65,535) box, enter the Virtual Channel ID. This must match
the Virtual Channel ID of the Central-Office modem.
Click Apply.
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Chapter 7: Implementing a Point-to-Point LAN Extension
Configure the Remote LAN
1
Select LAN on the menu bar, then select LAN Setup under LAN Options] to access the LAN
Configuration page.
2
In the LAN Protocol box, confirm that the protocol is set to Bridged. If the protocol is not set
to bridged, it can be changed only through the command-line interface. See Appendix A,
“Accessing the Command-Line Interface” for procedures on using this interface to change
the LAN protocol.
Any device (such as a PC) connecting to the modem LAN interface loses its
connection when the modem LAN IP address is changed. After the IP address
is changed, you need to specify this new address in the Web browser to
reconnect a device.
3
4
In the IP Address box, enter an available IP address on your subnet.
Click Apply.
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Complete a Custom Configuration
5
Select Save Changes on the menu bar to access the Save Changes page.
6
To configure the central-office modem, you need to change the following settings:
•
operating mode for the modem, (see “Configure the Central-Office Operating Mode” on
page 71)
•
•
WAN parameters, (see “Configure the Central-Office WAN” on page 72)
LAN parameters, (see “Configure the Central-Office LAN” on page 74)
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Chapter 7: Implementing a Point-to-Point LAN Extension
Configure the Central-Office Operating Mode
1
Select DSL on the menu bar then select Advance Configuration under [DSL Options].
2
3
In the Operating Mode box, select CO to configure the modem for this mode.
Click Apply.
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Chapter 7: Implementing a Point-to-Point LAN Extension
2
Select RFC 1483 bridged from the WAN Configuration page to display the following page.
3
4
5
6
In the Session Name box, assign a name to this session (it can be the same name set up for
the Remote modem).
In the Virtual Path ID (VPI 0 - 4,095) box, enter the Virtual Path ID. This must match the
Virtual Path ID of the Remote modem.
In the Virtual Channel ID (VCI 32 - 65,535) box, enter the Virtual Channel ID. This must match
the Virtual Channel ID of the Remote modem.
Click Apply.
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Complete a Custom Configuration
Configure the Central-Office LAN
1
Select LAN on the menu bar, then select LAN Setup under LAN Options] to access the LAN
Configuration page.
2
In the LAN Protocol box, confirm that the protocol is set to Bridged. If the protocol is not set
to bridged, it can be changed only through the command-line interface. See Appendix A,
“Accessing the Command-Line Interface” for procedures on using this interface to change
the LAN protocol.
Any device (such as a PC) connecting to the modem LAN interface loses its
connection when the modem LAN IP address is changed. After the IP address
is changed, you need to specify this new address in the Web browser to
reconnect a device.
3
4
In the IP Address box, enter an available IP address on your subnet.
Click Apply.
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Chapter 7: Implementing a Point-to-Point LAN Extension
5
Select Save Changes on the menu bar to access the Save Changes page.
6
Click Save to save the configuration to flash memory.
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Verify Connectivity
VERIFY CONNECTIVITY
After you have performed each of the previous configuration changes, verify back-to-back
communication by passing traffic over the WAN session. For example, set up a PC on the
LAN-side of the Remote modem and another PC on the LAN-side of the Central-Office modem.
Then, transfer a file or ping between the two PCs. This generates traffic and tests connectivity.
1
On the front panel of one of the modems, check the status of the SYNC LED. If it is
blinking, it is attempting to establish communication with the other modem. If it is on solid
green, it has already synchronized its connection with the other modem. See “LED Status
Indications” on page 5 for further definitions of LEDs indications.
2
Select System on the menu bar, then select ATM Statistics under [Status] to access the ATM
Statistics page.
3
View the statistics. If the RX Cell and TX Cell values increment, the two modems have
established communication and are passing traffic. If they do not, refresh the page by
clicking the Refresh button on your Web browser. If the counters still do not increment,
verify each modem for the correct configuration parameters.
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CONFIGURING MODEM SECURITY
8
SmartCNCT Security provides both firewall and security features for the modem, protecting it
from unwanted intrusion. NAT, which is part of security, is the only SmartCNCT Security
feature available this release.
SmartCNCT Security, except NAT, is not supported in this release. Although
the Web interface has configuration for this features, do not change any
settings other than those for NAT that are covered in this chapter.
BEFORE YOU BEGIN. . .
Set up WAN sessions. These sessions provide the external interface (public WAN IP address)
to which NAT is bound.
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Configure NAT
CONFIGURE NAT
NAT provides the ability to map private IP address on the LAN to
public IP addresses (WAN) that are assigned to each session.
This essentially hides the private IP addresses behind the public
IP addresses assigned to WAN sessions. Prior to binding NAT to a
System
SmartCNCTSecurity
WAN IP address, you should have previously set up PPPoA routed, PPPoE routed, or RFC 1483
routed WAN sessions (see “Configure a New WAN Session” on page 26). You cannot
configure NAT for RFC 1483 bridged sessions.
1
Select System on the menu bar, then select SmartCNCTSecurity under [Configuration] to access
the Security Interface Configuration page.
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Chapter 8: Configuring Modem Security
2
Select Add Interface, which is a link below the Security Interfaces table, to display the
Firewall Add Interface page.
assigned to a session during configuration. The Interface is the protocol type
selected for that session and corresponds to the Name: field at the top of the
page. NAT is attached to this session which is an external (WAN) interface.
3
In the Name box, select the session (interface from the Session Name to Interface Mapping
table shown on page 78) as the external interface to which NAT is bound.
4
5
6
In the Interface Type box, select external.
Click Apply and you automatically return to the Security Interface Configuration page.
To bind this session with NAT to internal interfaces (private LAN-side IP addresses), click
the button Enable NAT to internal interfaces located in the NAT column in the Security Interfaces
table. To disable the binding of this session with NAT to internal interfaces, click the button
Disable NAT to internal interfaces located in the NAT column in the Security Interfaces table.
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Configure NAT
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MANAGING THE MODEM
9
This chapter provides information and procedures to assist you in the fault management and
maintenance of the modem, including the following.
•
Summary of the modem status (from the System page) provides valuable information to
manage and troubleshoot the modem.
•
•
Summary of DSL performance provides DSL error counters and DSL link statistics.
Factory Default parameter provides the capability to return the modem from a current
configuration to known default parameters.
•
System Update parameter provides the capability of downloading a configuration file or a
software file (for upgrades or restoration) to the modem.
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View System Status
VIEW SYSTEM STATUS
System status provides an overall management view of the modem configuration and
performance. The system page, which also functions as the Web interface home page, provides
a management view of modem configuration. A system log shows errors that have occurred
during the time frame that the modem has been in service.
View Modem Status
The System Status page is a read-only summary of the current modem
System
configuration. It includes information about the modem software,
DSL configuration values, WAN session settings, and LAN parameters. Use it as an overview
of the modem status.
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Chapter 9: Managing the Modem
The following is a description of the fields at the top of the Status page:
Device Name
Identifies the modem and its LAN connection type (Ethernet port). This is not a
configurable parameter.
Firmware Release
Identifies the version number of the software image currently used on the modem.
Model
Identifies the model of the modem.
MAC Address
Identifies the unique, hardware address assigned to and resident on the modem.
DSP Version
Identifies the version of the G.shdsl firmware driver used for the modem.
The following is a description of the fields in the Summary of current settings table:
DSL Status
Provides configuration values specific to G.shdsl, including:
•
Modulation—Indicates the G.shdsl transmission standard to which the modem
is set.
•
•
•
•
State—Status of the DSL link.
Data Rate TX—Bit rate at which the is configured to send data.
Data Rate RX—Bit rate at which the is configured to receive data.
SNR Margin (DB)—Current SNR margin in decibels.
WAN Session
See “Configure a New WAN Session” on page 26 for definitions of WAN Session fields.
LAN
See “Configure the LAN” on page 14 for definitions of LAN fields.
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View System Status
View System Log
The Configuration Error Log shows errors that have occurred during the
time the modem is operational. This error log is used by the
manufacturer for internal use only.
System
System Log
Select System on the menu bar, then select System Log under [System] to access the Configuration
Error Log page.
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Chapter 9: Managing the Modem
VIEW WAN STATISTICS
WAN Statistics provide information about packets received and
System
transmitted for every WAN session configured for the modem.
WAN Statistics
1
Select System on the menu bar, then select WAN Statistics under
[Status] to access the WAN Statistics page.
2
View the current statistics as described below:
Session Name
Identifies the session name, for up to 32 sessions, for which the transmitted and
received packets are being reported.
Rx Pkts
The total number of packets received for this session.
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View WAN Statistics
Rx Bad Pkts
The total number of errored packets received for this session.
Tx Pkts
The total number of packets transmitted for this session.
Tx Bad Pkts
The total number of errored packets transmitted for this session.
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Chapter 9: Managing the Modem
VIEW LAN STATISTICS
LAN Statistics provide information about packets received and
System
transmitted for every WAN session configured for the modem.
LAN Statistics
1
Select System on the menu bar, then select LAN Statistics under
[Status] to access the LAN Statistics page.
2
View the current statistics as described below. The statistics are provided for a connection
to the Ethernet port.
Rx Pkts
The total number of Ethernet packets received on this port.
Tx Pkts
The total number of Ethernet packets transmitted on this port.
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View LAN Statistics
Rx Bad Pkts
The total number of errored Ethernet packets received on this port.
Tx Bad Pkts
The total number of errored Ethernet packets transmitted on this port.
Rx CRC Errors
The total number of Cyclic Redundancy Code (CRC) errors received for Ethernet
packets on this port.
Tx Collisions
The total number of collisions occurring between devices attempting to transmit
Ethernet packets on this port.
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Chapter 9: Managing the Modem
VIEW SMARTCNCT SECURITY STATISTICS
The Security Status page provides information about
SmartCNCTSecurity that is configured for the modem. This status
page will show default values only because SmartCNCTSecurity is
not supported for this release.
System
SmartCNCTSecurity
SmartCNCTSecurity, except NAT, is not supported in this release.
1
Select System on the menu bar, then select SmartCNCTSecurity under [Status] to access the
Security Status page.
2
View the current statistics as described below:
Security Enabled
True indicates that security is enabled. False indicates that security is not enabled.
NAT Enabled
True indicates that NAT is enabled. False indicates that NAT is not enabled.
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View ATM Statistics
VIEW ATM STATISTICS
The ATM Statistics page provides information about the cells that are
System
transmitted on the ATM layer.
ATM Statistics
1
Select System on the menu bar, then select ATM Statistics under
[Status] to access the ATM Statistics page.
2
View the current statistics as described below.
Rx Cell
Indicates the total number of cells received by the modem on the DSL interface.
Tx Cell
Indicates the total number of cells transmitted by the modem over the DSL interface.
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Chapter 9: Managing the Modem
Cell Drop
Indicates the total number of cells dropped by the modem.
Cell Delineation Flag
Indicates if cell delineation errors have occurred on the modem. A 0 indicates that no
errors have occurred A 1 indicates that errors have occurred.
Rx HEC Errors
Indicates the total number of received ATM cells marked with uncorrectable header
errors as indicated in the header-error control (HEC) byte.
3
Click one of the following, if appropriate:
•
•
Clear—resets all the counters to zero.
Refresh—updates the page with more current error counts.
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View DSL Statistics
VIEW DSL STATISTICS
The DSL statistics provides link statistics as well as error counter values for the modem. This
data provides information for managing and troubleshooting the DSL transmission.
Use the console port interface to access embedded DSL diagnostics. See
“Manage DSL” on page 118.
View G.shdsl Link Statistics
Use the information about the G.shdsl transmission on the Link
Statistics page for troubleshooting and monitoring.
Status
DSL Statistics
1
Select System on the menu bar, then select DSL Statistics under
[Status] to access the Link Statistics page.
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Chapter 9: Managing the Modem
2
View the current statistics as described below:
Operational State
Indicates the current mode of the modem. Operational states include:
•
handshaking—indicates that the modem is negotiating with the DSLAM or the
other modem
•
•
training—indicates that the modem is learning the connection parameters
show time—indicates the G.shdsl connection is operational
Data Rate
Indicates the bit rate for this transmission on the G.shdsl connection.
DSP Version
Indicates the version of G.shdsl firmware driver used on this modem.
Transmission Power
Indicates the local transmission power in decibels.
Receiver Gain
Indicates the amplifying factor for incoming signal in decibels.
Local SNR Margin
Indicates the actual value for the SNR margin.
Loop Attenuation
Indicates the current and approximate loop attenuation (loop signal loss) in decibels.
Framer Sync
Indicates the current status of G.shdsl frame synchronization.
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View DSL Statistics
View G.shdsl Error Counters
Use the statistics on the G.SHDSL Error Counters page for
DSL
troubleshooting and monitoring G.shdsl transmission.
Error Counters
1
Select DSL on the menu bar, then select Error Counters under [DSL
Options] to access the G.SHDSL Error Counters page.
2
View the current statistics as described below:
CRC Errors
Indicates the total number of cyclic redundancy check (CRC) errors that have occurred
on the G.shdsl connection since the last time that the G.shdsl error counters were
cleared. CRC is an error checking technique used to ensure the integrity of data during
transmission.
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Chapter 9: Managing the Modem
LOSW Errors
Indicates the total number of loss of sync word (LOSW) defects that have occurred
since the last time that the G.shdsl error counters were cleared. An LOSW is indicated
when three or more consecutive frames contain one or more bit errors in the frame sync
word.
Errored Seconds
Indicates the total number of seconds in which one or more CRC errors occurred since
the last time that the G.shdsl error counters were cleared.
Severely Errored Seconds
Indicates the total number of seconds in which 50 or more CRC errors occurred since
the last time that the G.shdsl error counters were cleared.
Unavailable Seconds
Indicates the total number of seconds that the G.shdsl connection has been
non-operational due to loss of synchronization or excessive errors since the last time
that the G.shdsl error counters were cleared.
3
Click one of the following:
•
•
Clear—resets all the counters to zero.
Refresh—updates the page with current error counts.
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Manage Software and Configuration
MANAGE SOFTWARE AND CONFIGURATION
Update System Software
Using the Web interface HTTP Upgrade capability, you can upgrade
the software (.bin) and http files on your modem. To complete an
upgrade, specify the IP address of a server on the LAN side of
modem where the new firmware is stored.
System
Software Update
The software update process takes about 90 seconds to complete and after the
update the modem resets itself. Do not recycle the power during this process.
This will cause permanent image corruption.
It is strongly recommended that you use this procedure to upgrade software
rather than upgrading through a telnet session or through the Console port.
1
Click System on the menu bar, then Software Update under [System] to access the Software
Update page.
2
Click Browse, locate the server on the LAN where the firmware image or configuration file
is located, then click Open.
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Chapter 9: Managing the Modem
3
Click Upload to start the file transfer to the modem.
Do not power cycle the modem when the software update is in progress. Wait
for the Flash Update Complete message before power cycling the modem.
4
5
Click Update Flash when prompted.
Click Restart when prompted.
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Manage Software and Configuration
Reset to Factory Defaults
When you configure the modem, you change the factory default
settings to new values. You can return these parameters to their
default values to provide a known starting point if you are
troubleshooting or if you simply want to configure new parameters.
System
Factory Defaults
For session default values, see “Default Session Parameter Values” on page 140.
Active links are lost when you reset to factory default values.
1
Click System on the menu bar, then Factory Defaults under [System Options] to access the
System Factory Defaults page.
2
Click Proceed if you want to return all modem parameters to their original factory values.
Click Cancel if you do not want to return all modem parameters to their original factory
values.
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ACCESSING THE
COMMAND-LINE INTERFACE
You can manage the modem using either the command-line interface or the Web interface.
Access to the command-line interface is accomplished by either direct connection to the modem
console port or through a telnet session (over a network). This section provides instructions for
accessing and using the command-line interface. Access to the Web interface is accomplished
through a Web browser using an internet connection. Chapter 2, “Accessing the Web Interface
for Modem Management” provides instructions on accessing and using the Web interface for
management.
The Web interface is the more comprehensive of the two management interfaces and generally
simpler to use. There are situations, however, in which using the command-line interface is
preferred over the Web interface. For example, if you cannot connect to the modem through the
The following sections describe how to use the command-line interface:
Section
Page
Connect to the Console Port
Access through a Telnet Session
100
103
106
118
130
131
132
133
134
Manage DSL
Restoring Factory Defaults
Saving the Current Configuration
Updating System Software
Viewing System Information
Rebooting the Modem
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Connect to the Console Port
CONNECT TO THE CONSOLE PORT
1
Install the flat gray console cable between the modem Console port and your PC as shown
below, using the DB-9 port adapter on the PC, if required.
PC
9-pin COM
port
Adapter
D
SL LIN
E
C
O
N
S
O
L
E
1
0
B
A
S
E
-T
PO
MD
W
I
E
MDI-X
R
Grey cable
Console port
M0326-A
ACCESS THE COMMAND-LINE INTERFACE
You can access the command-line interface through the direct connection to the modem console
port and using a terminal emulation program. You can also access the command-line interface
using a telnet session. To use a telnet session, you must have IP access to the modem either
through the 10Base-T LAN port (LAN-side access) or through an IP address assigned to a WAN
session (WAN-side access). The following sections provide instructions for setting up both
types of command-line interface access.
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Appendix A: Accessing the Command-Line Interface
Access through the Console Port
Access the terminal emulation program (HyperTerminal, for example) to establish a connection
to the modem command-line interface. The following procedure uses HyperTerminal as the
example terminal emulation program. If you are using another terminal emulation program,
refer to the user documentation for instructions.
1
2
3
4
From the Start button, select Programs, Accessories, HyperTerminal.
In the HyperTerminal dialog, select File, New Connection.
Enter a name for this connection and click OK.
For Connect using, select the COM port (typically COM1) on the PC to which you have
connected the modem (console port connection), then click OK. The COM1 Properties dialog
is displayed.
5
In the COM1 Properties dialog, enter the Port Settings as follows:
•
•
•
•
•
9600 baud
8 data bits
no parity
1 stop bit
flow control off (none)
6
Click OK.
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Access the Command-Line Interface
7
Press ENTER . A prompt will be displayed; enter your login and password.
Modem Defaults
Login
Password
admin
password
The System Management main menu is displayed.
Type the number and press enter to access the configuration menu for each parameter (WAN
Session Management or LAN Management, for example). Press enter (<CR>) at the prompt to
return to a higher-level menu.
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Access through a Telnet Session
To access the modem through a LAN-side telnet session, ensure that the management PC is on
the same IP subnet as the modem (see “Accessing the Web Interface for Modem Management”
on page 7); you will specify the LAN port IP address (default LAN IP address is 10.0.0.1 and
subnet mask is 255.255.255.0) for access. To access the modem through a WAN-side telnet
session, ensure that at least one WAN session has been set up for the modem; you will specify
the IP address set up for that WAN session for access.
Although you can have concurrent telnet and console port sessions to the
command-line interface, you can make changes through only one of the
interfaces at a time.
Below is an example using the telnet application in Microsoft Windows 98 SE to access the
modem command-line interface:
1
From the Start button, select Run to display the Run dialog. Or, open your telnet application
2
In the Open box, enter the telnet command and the modem IP address (for example,
10.0.0.1), then click OK. The Windows telnet dialog is displayed.
Modem Defaults
A
Login
admin
Password
password
3
At the prompt, enter your Login and Password. The System Management main menu is
displayed.
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103
Set Up the LAN
SET UP THE LAN
If you are operating in Router mode and in a LAN environment, then you also need to set your
LAN protocol, Ethernet Port IP address, and subnet mask.
If you prefer, you may use the default values of 10.0.0.1 for the Ethernet Port IP Address, and
255.255.255.0 for the subnet mask.
1
From the System Management main menu (page 102), enter 2 to display the LAN Configuration
menu.
2
Configure the following parameters, 1 through 6, for the PPP session:
LAN Protocol
Enter 1 then select one of the following for DHCP protocol:
•
1—Spanning Tree where you select 1 to Disable spanning tree protocol or select 2
to Enable spanning tree protocol for all bridging sessions.
If a DHCP server is not set up and active on your LAN, do not enable DHCP
client. DHCP Client mode is recommended for use only when bridging is used
as the LAN protocol.
•
2—DHCP Client mode where you select 1 to Disable DHCP client mode or select 2
to Enable DHCP client mode for the modem.
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LAN IP Address
Enter 2 then type the IP address provided by your LAN administrator. Use the
following criteria to determine if or how the LAN IP address will be changed:
•
•
Enter an IP address for the LAN (10Base-T) port provided by the LAN
administrator if you are not implementing a 10.0.0.0 subnet.
Use the default IP address for the LAN port which is 10.0.0.1. If you choose to use
the default IP address, ensure that the devices on your LAN are on the same subnet
as this modem LAN port.
•
If you want a DHCP server on your LAN to automatically provide the modem
LAN port IP address, select Client for the DHCP configuration (configuration step
is on page 104).
LAN Subnet Mask
Enter 3 then type the LAN subnet mask provided by your LAN administrator. Use the
following criteria to determine if or how the LAN subnet mask will be changed:
•
•
Enter the subnet mask for the LAN (10Base-T) port provided by the LAN
administrator.
Use the default subnet mask for the LAN port which is 255.255.255.0. If you
choose to use the default subnet mask, ensure that it allows devices on your LAN
to access the modem LAN port.
•
If you want a DHCP server on your LAN to automatically provide the subnet mask
in addition to the IP address, select Client for the DHCP configuration
(configuration step is on page 104).
System Default Gateway
Enter 4 then type the IP address of the DHCP default gateway that is provided by the
LAN administrator for devices on the LAN. After you configure this IP address, the
modem provides this IP address as a default DHCP gateway to requesting DHCP
clients (such as PCs) on the LAN. If there are no gateways on the LAN, then the
modem LAN port IP address can be assigned as the gateway.
Ethernet Full Duplex
Enter 5 then select 2 for Enabled if you want to set the modem LAN port to full-duplex
transmission. Select 1 for Disabled (default) if you want to set the modem LAN port to
half-duplex.
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Manage WAN Sessions
Change LAN Protocol
•
•
1—Bridging protocol
2—Routing protocol
3
Select Save Current configuration from the Main Menu as described in “Saving the Current
MANAGE WAN SESSIONS
From the System Management main menu (page 102), enter 1 to display the WAN Session
Management menu. The WAN Session Management screen displays the available options.
.
M0029-A
A total of 32 WAN sessions can be created using the protocols listed below. Ensure, however,
that you do not exceed the maximum limit per protocol type as shown below:
•
•
•
RFC 1483-Bridge (up to 8 sessions)
RFC 1483-Router (up to 16 sessions)
PPPoA or PPPoE (up to 8 sessions for either type)
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Appendix A: Accessing the Command-Line Interface
Add a New Session
1
On the WAN Session Management menu, enter 2 to add a new session. The Create new session
menu is displayed.
.
2
Select one of the following protocols for this session:
•
1—Create RFC 1483 bridged session if the modem forwards packets based on MAC
addresses. You can enable Spanning Tree when you select Bridge sessions. See
“Change Spanning Tree Setting” on page 51.
•
•
2—Create RFC 1483 routed session if the modem routes packets based on IP addresses.
3—Create PPPoA routed session if the modem establishes PPP sessions over ATM with
the service provider and routes packets based on IP addresses.
•
4—Create PPPoE routed session if modem establishes PPP sessions over Ethernet with
the service provider and routes packets based on IP addresses.
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Manage WAN Sessions
Set Up an RFC 1483 Bridged Session
You selected Create RFC 1483 bridged session from the WAN Session Management menu to display
the following menu.
1
Configure the following parameters, 1 through 8, for the bridging session:
Session Name
Enter 1 then type a unique, descriptive identifier for the session. This name can have a
maximum of 32 characters.
Virtual Path ID (VPI)
Enter 2 then type the value (from 0 to 4,095) provided by the service provider. The
number identifies the virtual path that transports ATM cells between the modem and
the service provider. This value must match the virtual path identification (VPI) value
the service provider uses for this connection.
Virtual Channel ID (VCI)
Enter 3 then type the value (from 32 to 65,535) provided by the service provider. The
number identifies the virtual channel for this session that transports ATM cells
between the modem and the service provider. This value must match the virtual
channel identification (VCI) value the service provider uses for this connection.
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Appendix A: Accessing the Command-Line Interface
QoS Class
Enter 4 then select the ATM Quality of Service indicated by your service provider. The
options are:
•
•
•
•
1—CBR (constant bit rate)
2—VBR-rt (variable bit rate real-time)
3—VBR-nrt (variable bit rate non-real-time)
4—UBR (unspecified bit rate is the default setting)
Peak Cell Rate
Enter 5 then type the QoS Peak Cell Rate (PCR) value supplied by your service
provider. If you are not provided a PCR value, use the default. PCR is the maximum
rate at which data is transferred on the line and measured in ATM cells per second. The
valid range is 1-5500 cells per second. The default PCR is 5500.
Sustain Cell Rate
Enter 6 then type the QoS Sustainable Cell Rate (SCR) value supplied by your service
provider. Use for CBR, VBR-rt, and VBR-nrt ATM QoS. SCR is the average rate at
which ATM cells are transferred, measured in cells per second. The SCR must be less
than the PCR. The valid range is 1-5500 cells per second.
Maximum burst size
Enter 7 then type the QoS Maximum Burst Size (MBS) value supplied by your service
provider. Use with VBR-rt and VBR-nrt QoS. MBS is the maximum number of cells
that can be transmitted at the peak cell rate. The MBS rate must be equal to or less than
the PCR. The default MBS is 0.
Encapsulation
Enter 8 then select the encapsulation type as indicated by the service provider. The
options are:
•
•
1—Llc Encapsulation (Logical Link Control) allows multiple protocols to be run
over the session. This is the default encapsulation.
2—Vcmux Encapsulation (Virtual Channel Multiplexer) encapsulation allows one
protocol to be run over the session.
2
Enter 9 to Apply new setting to add the new RFC1483 bridged session to your session list.
Or, you can Enter 10 to Delete session.
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Manage WAN Sessions
Set Up an RFC 1483 Routed Session
You selected Create RFC 1483 routed session from the WAN Session Management menu to display
the following menu.
1
Configure the following parameters, 1 through 13, for the routing session:
Session Name
Enter 1 then type a unique, descriptive identifier for the session. This name can have a
maximum of 32 characters.
Virtual Path ID (VPI)
Enter 2 then type the value (from 0 to 4,095) provided by the service provider. The
number identifies the virtual path that transports ATM cells between the modem and
the service provider. This value must match the virtual path identification (VPI) value
the service provider uses for this connection.
Virtual Channel ID (VCI)
Enter 3 then type the value (from 32 to 65,535) provided by the service provider. The
number identifies the virtual channel for this session that transports ATM cells
between the modem and the service provider. This value must match the virtual
channel identification (VCI) value the service provider uses for this connection.
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Appendix A: Accessing the Command-Line Interface
QoS Class
Enter 4 then select the ATM Quality of Service indicated by your service provider. The
options are:
•
•
•
•
1—CBR (constant bit rate)
2—VBR-rt (variable bit rate real-time)
3—VBR-nrt (variable bit rate non-real-time)
4—UBR (unspecified bit rate is the default setting)
Peak Cell Rate
Enter 5 then type the QoS Peak Cell Rate (PCR) value supplied by your service
provider. If you are not provided a PCR value, use the default. PCR is the maximum
rate at which data is transferred on the line and measured in ATM cells per second. The
valid range is 1-5500 cells per second. The default PCR is 5500.
Sustain Cell Rate
Enter 6 then type the QoS Sustainable Cell Rate (SCR) value supplied by your service
provider. Use for CBR, VBR-rt, and VBR-nrt ATM QoS. SCR is the average rate at
which ATM cells are transferred, measured in cells per second. The SCR must be less
than the PCR. The valid range is 1-5500 cells per second.
Maximum burst size
Enter 7 then type the QoS Maximum Burst Size (MBS) value supplied by your service
provider. Use with VBR-rt and VBR-nrt QoS. MBS is the maximum number of cells
that can be transmitted at the peak cell rate. The MBS rate must be equal to or less than
the PCR. The default MBS is 0.
Encapsulation
Type 8 then select the encapsulation type as indicated by the service provider. The
options are:
•
•
1—Llc Encapsulation (Logical Link Control) allows multiple protocols to be run
over the session. This is the default encapsulation.
2—Vcmux (Virtual Channel Multiplexer) encapsulation allows one protocol to be
run over the session.
WAN DHCP Enable
Type 9 then select 1 to Disable or 2 to Enable DHCP client. Enabling DHCP client
provides the capability where this session will automatically received an IP address
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Manage WAN Sessions
from the service provider via a DHCP server. If you enable DHCP client, leave the next
two fields, WAN IP address and WAN Network Mask, blank. These fields will
automatically receive values.
WAN IP Address
Type 10 then enter the IP address provided by the service provider for this session
unless you have enabled WAN DHCP. The default IP address is 0.0.0.0.
WAN Network Mask
Type 11 then enter the network mask provided by the service provider for this session
unless you have enabled WAN DHCP. The default WAN Network Mask is 0.0.0.0.
RIP Accept Mode
Type 12 then select one of the following:
•
•
•
•
1—No RIP
2—RIP Version 1
3—RIP Version 2
4—RIP Version 1 & 2 (default)
RIP Send Mode
Type 13 then select one of the following:
•
•
•
•
1—No RIP
2—RIP Version 1
3—RIP Version 2 (default)
4—RIP Version 1 & 2
2
Enter 14 to Apply new setting to add the new RFC1483 routed session to your session list.
Or, you can Enter 15 to Delete session.
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Appendix A: Accessing the Command-Line Interface
Set Up a PPPoA or PPPoE Routed Session
You selected Create PPPoA routed session or Create PPPoE routed session from the WAN Session
Management menu to display the following menu. The PPPoA routed session configuration
is shown below as an example. The configuration parameters for PPPoE routed session are
identical.
1
Configure the following parameters, 1 through 15, for the PPP session:
Session Name
Enter 1 then type a unique, descriptive identifier for the session. This name can have a
maximum of 32 characters.
Virtual Path ID (VPI)
Enter 2 then type the value (from 0 to 4,095) provided by the service provider. The
number identifies the virtual path that transports ATM cells between the modem and
the service provider. This value must match the virtual path identification (VPI) value
the service provider uses for this connection.
Virtual Channel ID (VCI)
Enter 3 then type the value (from 32 to 65,535) provided by the service provider. The
number identifies the virtual channel for this session that transports ATM cells
between the modem and the service provider. This value must match the virtual
channel identification (VCI) value the service provider uses for this connection.
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Manage WAN Sessions
QoS Class
Enter 4 then select the ATM Quality of Service indicated by your service provider. The
options are:
•
•
•
•
1—CBR (constant bit rate)
2—VBR-rt (variable bit rate real-time)
3—VBR-nrt (variable bit rate non-real-time)
4—UBR (unspecified bit rate is the default setting)
Peak Cell Rate
Enter 5 then type the QoS Peak Cell Rate (PCR) value supplied by your service
provider. If you are not provided a PCR value, use the default. PCR is the maximum
rate at which data is transferred on the line and measured in ATM cells per second. The
valid range is 1-5500 cells per second. The default PCR is 5500.
Sustain Cell Rate
Enter 6 then type the QoS Sustainable Cell Rate (SCR) value supplied by your service
provider. Use for CBR, VBR-rt, and VBR-nrt ATM QoS. SCR is the average rate at
which ATM cells are transferred, measured in cells per second. The SCR must be less
than the PCR. The valid range is 1-5500 cells per second.
Maximum burst size
Enter 7 then type the QoS Maximum Burst Size (MBS) value supplied by your service
provider. Use with VBR-rt and VBR-nrt QoS. MBS is the maximum number of cells
that can be transmitted at the peak cell rate. The MBS rate must be equal to or less than
the PCR. The default MBS is 0.
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Appendix A: Accessing the Command-Line Interface
LLC header mode
Enter 8 then select either 1 to Enabled or 2 to Disabled the LLC header. The default is
Disabled. Disabled indicates that VCMux encapsulation is used. Enabled indicates that
LLC/Snap encapsulation is used.
WAN IP Address
Enter 9 then type the IP address is dynamically served by the service provider for this
session. When the modem has received the IP address for this session, it displays the
value in this field. Also, the IP address dynamically received for the first PPP session
set up is assigned as the default gateway (see page 44). The default is 0.0.0.0.
If the service provider does not dynamically provide an IP address, they can give you
a static IP address that you can enter in this field.
WAN Network Mask
Enter 10 then type the subnet mask is dynamically served by the service provider for
this session. The default subnet mask for the session is 0.0.0.0.
If the service provider does not dynamically provide a subnet mask, they can give you
a subnet mask value that you can enter in this field.
RIP Accept Mode
Type 11 then select one of the following:
•
•
•
•
1—No RIP
2—RIP Version 1
3—RIP Version 2
4—RIP Version 1 & 2 (default)
RIP Send Mode
Type 12 then select one of the following:
•
•
•
•
1—No RIP
2—RIP Version 1
3—RIP Version 2 (default)
4—RIP Version 1 & 2
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PPP Authentication
Enter 13 then select the authentication protocol provided by your service provider for
PPP sessions. The authentication protocol type must match at the modem and the
service provider. The options are:
•
•
1—NO Authentication is required for the session.
2—PAP where the modem sends authentication requests to the service provider
and authentication occurs only once during the life of the link.
•
3—CHAP where the service provider returns an authentication challenge to the
modem during the authentication.
User Name
Enter 14 then type the login name for this PPP session to the Login name supplied by
the service provider. Minimum login name length is one character and the maximum
is 32 characters.
User Password
Enter 15 then type the login password for this PPP session to the Login password
supplied by the service provider. Minimum password length is six characters and the
maximum is 32 characters.
2
Or, you can Enter 17 to Delete session.
Permanently Save Sessions
After you have set up all the WAN sessions, select Save Current configuration from the System
Management main menu as described in “Saving the Current Configuration” on page 131 or the
changes will be lost if you reboot or power cycle the modem.
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Edit an Existing Session
1
On the WAN Session Management menu, enter 1 to View/Edit existing session. The WAN Session
View/Edit screen is displayed.
.
2
Enter the session number to display the session screen. (The example below shows
session 1, PPPoA-ROUTED.)
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3
Change settings as appropriate. See these sections for detailed information about editing
parameters for these protocols:
•
•
•
RFC 1483 bridged session, see page 108
PPPoA routed session or PPPoE routed session, see page 113
4
5
Select Apply new setting to immediately activate the changes that you have made for this
session.
Select Save Current configuration from the Main Menu as described in “Saving the Current
Configuration” on page 131 or the changes will be lost upon reboot or power cycle.
MANAGE DSL
Use the DSL menu to set up and manage the G.shdsl transmission line. This menu allows you to:
•
•
•
•
view the DSL configuration
configure the DSL line
monitor the DSL statistics
test the DSL line
From the System Management main menu (page 102), enter 3 to display the DSL Management
menu.
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Appendix A: Accessing the Command-Line Interface
Configure G.shdsl Parameters
You can complete either a quick configuration or an advanced configuration for the G.shdsl line
parameters. The following sections provide procedures for each configuration type.
Complete a Quick Configuration
1
From the G.SHDSL Menu, enter 2 to display the G.SHDSL Quick Configuration menu.
2
Configure the following parameters as directed by your service provider:
Operating Mode
Type 1 then select 1 for Remote and 2 for Central-Office.
When the modem is connected to a service provider through a DSLAM, the operating
mode is Remote (default setting). When two modems are used in a point-to-point
application (LAN extension, for example), one modem at the customer or user site is
set to Remote, and the second modem in the CO or wiring closet is set to Central-Office.
For instruction on setting up G.shdsl parameters and other related parameters for a
point-to-point modem application, go to Chapter 7, “Implementing a Point-to-Point
LAN Extension.”
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Standard Annex
Type 2 then select one of the following Annexes:
•
•
•
1—Annex-A for operating conditions typically found in the North American
implementation of G.shdsl
2—Annex-B for operating conditions typically found in the European
implementation of G.shdsl. This is the default mode for the MM701G modem.
3—Auto for automatically negotiating the Annex A or B standard by which this
modem, and the device to which this modem is attached, can operate. This is the
default mode for the MM702G modem.
•
•
4—Annex-B_ANFP for operating conditions that include the Annex B standard with
Access Network Frequency Plan Pulse Spectral Density (PSD) mask.
5—Auto_ANFP for automatically negotiating the Annex A or B standard with
Access Network Frequency Plan Pulse Spectral Density (PSD) mask.
Startup Margin
Type 3 then select a number from 1 to 21 for possible values between -10dB through
10dB, or select 22 to completely Disable the margin.The target signal-to-noise margin,
in decibels, that the modem must achieve with a BER of 10-7 or better to successfully
complete synchronization. The default margin value is 6 dB. A lower margin may
result in a higher data rate, but it can increase noise on the line.
Bit Rate Mode
the modem synchronizes with the device to which it is attached. The default for the
MM702G modem is Fixed mode. The default for the MM701G modem is Adaptive
mode. The following provides more description for each mode.
•
Fixed mode indicates that the modem will synchronize with the other end (a
DSLAM or another modem) at a fixed bit rate through negotiation. The modem
will synchronize at the best rate, up to the data rate specified (page 122), that can
be achieved by both ends.
•
Adaptive mode indicates that prior to modem negotiating a rate, the modem
performs an adaptation phase during which it determines a best possible rate based
on conditions of the line. After adaptive mode, the modem will then negotiate the
best rate that can be achieved with the other end, based on the adaptation results.
3
Type 5 to Apply new configuration for the G.shdsl settings.
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Appendix A: Accessing the Command-Line Interface
Complete an Advanced Configuration
1
From the G.SHDSL Menu, enter 3 to display the G.SHDSL Advanced Configuration menu.
2
Configure the following parameters as directed by your service provider:
Operating Mode
Type 1 then select 1 for Remote and 2 for Central-Office.
When the modem is connected to a service provider through a DSLAM, the operating
mode is Remote (default setting). When two modems are used in a point-to-point
application (LAN extension, for example), one modem at the customer or user site is
set to Remote and the second modem in the CO or wiring closet is set to Central-Office.
For instruction on setting up G.shdsl parameters and other related parameters for a
point-to-point modem application, go to Chapter 7, “Implementing a Point-to-Point
LAN Extension.”
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Standard Annex
Type 2 then select one of the following Annexes:
•
•
•
1—Annex-A for operating conditions typically found in the North American
implementation of G.shdsl
2—Annex-B for operating conditions typically found in the European
implementation of G.shdsl. This is the default mode for the MM701G modem.
3—Auto for automatically negotiating the Annex A or B standard by which this
modem, and the device to which this modem is attached, can operate. This is the
default mode for the MM702G modem.
•
•
4—Annex-B_ANFP for operating conditions that include the Annex B standard with
Access Network Frequency Plan Pulse Spectral Density (PSD) mask.
5—Auto_ANFP for automatically negotiating the Annex A or B standard with
Access Network Frequency Plan Pulse Spectral Density (PSD) mask.
Startup Margin
Type 3 then select a number from 1 to 21 for possible values between -10dB through
10dB, or select 22 to completely Disable the margin.The target signal-to-noise margin,
in decibels, that the modem must achieve with a BER of 10-7 or better to successfully
complete synchronization. The default margin value is 6 dB. A lower margin may
result in a higher data rate, but it can increase noise on the line.
Data Rate (kbps)
Type 4 then select a data rate (number 1 through 34) which determines the maximum
transmission rate, in kilobits per second, up to which the modem can negotiate and
synchronize with another device (modem or a DSLAM) to which it is attached. When
the Bit Rate Mode (page 123) is set to Fixed, the range of values are (ADC modems
comply with the standard G.shdsl data rate range):
•
for the MM702G modem, 384 kbps to 4608 kbps, in 128 kbps increments (default
value is 4608)
•
for the MM701G modem, 192 kbps to 2304 kbps, in 64 kbps increments
Rates down to 64 kbps are supported only when operating in single-pair,
point-to-point mode with another ADC modem. (see Chapter 7, “Implementing a
Point-to-Point LAN Extension”).
When the Bit Rate Mode (page 123) is set to Adaptive for an MM701G (Adaptive is
MM701G default value) or for an MM702G set to Single Wire Pair Mode only (see
below), this field is automatically set to Adaptive. An MM702G in Dual Wire Pair Mode
cannot be used in Adaptive Bit Rate Mode.
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Appendix A: Accessing the Command-Line Interface
Wire Pair Mode
Type 5 then select a wire mode. For the MM701G modem, Single mode is the only
setting available. For the MM702G modem, you can select either 1 for Single or 2 for
Dual mode; Dual mode is the default. Wire mode indicates whether the G.shdsl modem
is operating in a two-wire mode (Single) or a four-wire mode (Dual).
PSD Mode
Type 6 then select which Power Spectral Density (PSD) which plots the variations of
signal power with signal frequency for the G.shdsl transmission between the modem
and the DSLAM or the modem and another modem. Select 1 for Symmetric PSD which
indicates that the PSD mask for both sides of the transmission (the CO- and
remote-side) are the same (symmetric).
Asymmetric PSD indicates that the PSD mask for both sides of the transmission
(the CO- and remote-side) are not the same (asymmetric). There are two unique
numeric values (AsymmetricRate1 and AsymmetricRate2) used to determine the
asymmetric PSD mask based on the Annex A or Annex B standard that you selected.
Select 2 for AsymmetricRate1 which is 784 kbps for Annex A and 2312 kbps for Annex
B. Select 3 for AsymmetricRate2 which is 1552 kbps for Annex A and 2056 kbps for
Annex B.
Both ends of the connection must be set for the same Symmetric or Asymmetric PSD.
The default is Symmetric.
Bit Rate Mode
the modem synchronizes with the device to which it is attached. The default for the
MM702G modem is Fixed mode. The default for the MM701G modem is Adaptive
mode. The following provides more description for each mode.
•
Fixed mode indicates that the modem will synchronize with the other end (a
DSLAM or another modem) at a fixed bit rate through negotiation. The modem
will synchronize at the best rate, up to the data rate specified (page 122), that can
be achieved by both ends.
•
Adaptive mode indicates that prior to modem negotiating a rate, the modem
performs an adaptation phase during which it determines a best possible rate based
on conditions of the line. After adaptive mode, the modem will then negotiate the
best rate that can be achieved with the other end, based on the adaptation results.
An MM702G in Dual Wire Pair Mode cannot be used in Adaptive Bit Rate Mode.
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Test Bit Rate
Type 8 then select a rate (number 1 through 36) for the test bit rate. This test bit rate is
used by the manufacturer for internal use only.
SNR Margin Limit
Type 9 then enter a value from -64 to 63. This value indicates the minimum SNR
margin (in decibels) that must exist when the G.shdsl connection is synchronized and
in order for the DSL MAR LED to be lit ON Green. The default value is 4.
3
Type 10 to Apply new configuration for the G.shdsl settings.
View G.shdsl Configuration
You can view G.shdsl current settings from the G.SHDSL Current Settings dialog. See “Complete
an Advanced Configuration” on page 121 for definitions of these parameters that you
previously set.
From the G.SHDSL Menu, enter 1 to display the G.SHDSL Current Setting menu.
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Appendix A: Accessing the Command-Line Interface
Monitor G.shdsl Statistics
From the G.SHDSL Menu, enter 4 to display the Quick Configuration Setting menu.
View G.shdsl General Statistics
1
From the G.SHDSL Statistic Menu, enter 1 to display the G.SHDSL General Statistics menu.
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2
View the current statistics, as described below:
Operational State
Indicates the current mode of the modem. Operational states include:
•
handshaking—indicates that the modem is negotiating with the DSLAM or the
other modem
•
•
training—indicates that the modem is learning the connection parameters
show time—indicates the G.shdsl connection is operational
Data Rate
Indicates the bit rate for this transmission on the G.shdsl connection.
DSP Version
Identifies the version of G.shdsl firmware driver used for this modem.
Transmission Power
Indicates the local transmission power in decibels.
Receiver Gain
Indicates the amplifying factor for incoming signal in decibels.
Local SNR Margin
Indicates the current value for the SNR margin in decibels.
Loop Attenuation
Indicates the current and approximate loop attenuation (loop signal loss) in decibels.
Framer Sync
Indicates the current status of G.shdsl framer synchronization.
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Appendix A: Accessing the Command-Line Interface
View G.shdsl General Statistics
1
From the G.SHDSL Statistic Menu, enter 2 to display the G.SHDSL Error Counters menu.
CRC Error
Indicates the total number of cyclic redundancy check (CRC) errors that have occurred
on the G.shdsl connection since the last time that the G.shdsl error counters were
cleared. CRC is an error checking technique used to ensure the integrity of data during
transmission.
LOSW Errors
Indicates the total number of cyclic redundancy check (CRC) errors that have occurred
on the G.shdsl connection since the last time that the G.shdsl error counters were
cleared. CRC is an error checking technique used to ensure the integrity of data during
transmission.
Errored Seconds
Indicates the total number of seconds in which one or more CRC errors occurred since
the last time that the G.shdsl error counters were cleared.
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Severely Errored Seconds
Indicates the total number of seconds in which 50 or more CRC errors occurred since
the last time that the G.shdsl error counters were cleared.
Unavailable Seconds
Indicates the total number of seconds that the G.shdsl connection has been
non-operational due to loss of synchronization or excessive errors since the last time
that the G.shdsl error counters were cleared.
2
Click one of the following:
•
•
Clear—resets all the counters to zero.
Refresh—updates the page with current error counts.
View ATM Counters
1
From the G.SHDSL Statistic Menu, enter 3 to display the ATM Statistics menu.
2
View the current statistics, as described below.
Rx Cell
Indicates the total number of cells received by the modem on the DSL interface.
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Appendix A: Accessing the Command-Line Interface
Tx Cell
Indicates the total number of cells transmitted by the modem over the DSL interface.
Cell Drop
Indicates the total number of cells dropped by the modem.
Cell Delineation Flag
Indicates if cell delineation errors have occurred on the modem. A 0 indicates that no
errors have occurred A 1 indicates that errors have occurred.
Rx HEC Errors
Indicates the total number of received ATM cells marked with uncorrectable header
errors as indicated in the header-error control (HEC) byte.
3
Enter 5 on the G.SHDSL Statistic Menu to Clear the error counters.
.
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Restoring Factory Defaults
RESTORING FACTORY DEFAULTS
When you configure the modem, you change the factory default settings to new values. You can
return these parameters to their default values to provide a known starting point if you are
troubleshooting, or you simply want to configure new parameters.
Active links may be lost when you reset to factory default values.
1
From the System Management menu, enter 6 to Restore Factory Configuration.
2
Do one of the following at the prompt:
•
•
Enter Y if you want to return all values to their original factory values.
Enter N if you do not want to return all values to their original factory values.
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Appendix A: Accessing the Command-Line Interface
SAVING THE CURRENT CONFIGURATION
Use the Save Current Configuration page for saving your current configuration to flash memory.
This prevent current changes from being lost in the event the modem is reset or power is cycled.
1
From the Main Menu, enter 5 to Save Current Configuration.
2
Do one of the following at the prompt:
•
•
Enter Y if you want to save the current configuration.
Enter N if you do not want to save the current configuration, but return to the previous
configuration.
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Updating System Software
UPDATING SYSTEM SOFTWARE
If you need to update the modem software, use the Web interface HTTP upgrade (see “Update
transfer software (.bin) and http file upgrades to the modem.
It is recommended that you use the Web interface HTTP to download software.
If you choose to use TFTP to download a software upgrade, contact the ADC
technical assistance center for upgrade procedures (see Appendix C on
page 147 for contact information).
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Appendix A: Accessing the Command-Line Interface
VIEWING SYSTEM INFORMATION
The System Information page is a read-only summary of the current modem configuration. It
includes information about the firmware release, model, release date, MAC address, and DSP
version. This information is often used by technical support when troubleshooting.
From the Main Menu, enter 4 for System Information.
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Rebooting the Modem
REBOOTING THE MODEM
Before you reboot the modem, save configuration changes as described in “Saving the Current
Configuration” on page 131.
1
From the Main Menu, enter 8 to Reboot.
2
Do one of the following at the prompt:
•
•
Enter Y if you want to reboot the modem.
Enter N if you want to cancel the reboot.
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SPECIFICATIONS
B
The MM701G and MM702 G are DSL modems that take advantage of G.shdsl technology by
offering fixed and rate-adaptive communication at equal rates going both upstream and
downstream. In addition, the modems also provide:
•
sessions for precise control of security, performance and management of users and
resources per session. Allowing Service providers to offer additional services and class of
service for Internet access, private ATM networks or connections to application servers like
video servers or voice gateways.
•
self-installation for non-technical users
For further information, reference the following:
Section
Page
Overview
136
137
141
145
Data Specifications
Hardware Specifications
Rate vs. Reach
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Overview
OVERVIEW
The MM provides:
•
•
fixed-rate or rate-adaptive, symmetric G.shdsl transmission up to 2.3 Mbps
multiple session types:
–
–
–
PPP over ATM (RFC 2364)
RFC 1483 bridging over ATM AAL5
RFC 1483 routing over ATM AAL5 (IPoA)
•
•
•
32 simultaneous sessions of the same or different types
support for point-to-point LAN extension
DHCP (client and server) for sending and receiving dynamic IP addresses, DHCP default
gateway, and DNS server
•
•
•
•
•
DNS Relay
NAT for IP address translation
Web interface HTTP upgrade for modem software updates
RIP versions 1 and 2 for dynamic IP routing information exchange
multiple management options:
–
–
–
–
serial interface
telnet
Web interface
SNMP agent
•
•
•
•
•
•
10Base-T LAN interface with MDI/MDI-X switch
front panel LEDs for troubleshooting and monitoring LAN and DSL connections
PAP and CHAP for PPP login name and password authentication
ATM Quality of Service selection
statistics for monitoring network traffic
diagnostic tests to assist technical support personnel
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Appendix B: Specifications
DATA SPECIFICATIONS
VLAN Support
The MM701G and MM702G modems allow larger packet sizes to accommodate VLAN traffic.
DSL Standards
•
•
Annex A (991.2)
Annex B (991.2)
ATM standards
•
•
•
•
•
•
•
ATM Forum UNI Version 3.1 and UNI Version 4.0
ITU-T Q.2931, Q.2971 signaling
ITU I.363.5 ATM Adaptation Layer 5
ITU I.432 Cell Delineation and HEC
ITU I.361 ATM Cell Format
Classes of Service: CBR, UBR, VBR-nrt
Virtual Circuits: 32 for data
Internetworking Features
•
•
•
•
•
•
•
•
•
PPP: 1332, 1661, 1638, 1570
NAT: 1631
DHCP Server & Client: 2131, 2132
Dynamic IP routing, ARP: 826, RIP: 1058, 1723
TCP/IP: 1112, 1122, 950, 894, 793, 791, 1812
BOOTP: 951, 1542
TFTP: 1350
IP over ATM: 1577
RIP V2: 1723
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Data Specifications
WAN Protocols
•
•
•
IETF RFC 2364 PPP over AAL5 (VC multiplexing and LLC encapsulation)
IETF RFC 2684 Multiprotocol encapsulation over AAL5
IETF RFC 1577 Classical IP over ATM
Security
•
•
PPP authentication - PAP/CHAP: 1334, 1994
Web, Craft console, and Telnet password with different user administration levels
Management
•
Embedded SNMP agent, Terminal, Telnet with Web based configuration and
management tool
•
•
•
•
•
Auto provisioning extensions
Concise MIB: 1212, MIB-II: 1213, Bridge MIB: 1493
SNMP MIB: 1471, 1472, 1473, 1474
SNMP: 1157
Remote Configuration
Software Upgrade
•
•
HTTP download into built-in flash memory
Remote download (DSLAM support required)
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Appendix B: Specifications
Encapsulation
When you activate RFC 1483 system mode, you can select WAN encapsulation as VC
multiplexing for some sessions and LLC encapsulation for other sessions.
PPP
Authentication
(PAP/CHAP)
Provides authentication of PPP sessions for security through Password and
Challenge-Handshake Authentication Protocols (RFC 1994).
Network Address
Translation
Network Address Translation (NAT) maps LAN side private IP address to the
public IP address assigned to the 32 virtual channels (RFC 1631). You can map
to two private addresses to each of the 32 sessions for a total of 64 addresses.
Routing
Routing Protocol
Encapsulation
Supports RFC 1724 Routing Information Protocol (RIP and RIP Version 2).
Supports Logical Link Control (LLC) or VC-based multiplexing (RFC 1483).
Supports up to 32 static routes.
Static Routes
Address Resolution
Supports Address Resolution Protocol (ARP) over the LAN port (RFC 826).
Bridging
Bridging and Address Implements a transparent learning bridge with a bridging table of 1024 entries.
Learning
Encapsulation
Spanning Tree
Supports Logical Link Control (LLC) or VC-based multiplexing (RFC 1483).
Provides Spanning Tree support per IEEE 802.1d.
RFCs
•
•
•
•
•
•
RFC 1483 Multiprotocol Encapsulation over ATM (Bridging/Routing)
RFC 2364 PPP Encapsulation over ATM
RFC 1994 for PAP/CHAP Authentication
RFC 1631 IP Network Address Translator (for NAPT)
RFC 1350 for TFTP client
RFC 2131 and RFC 2132 for DHCP server and relay protocols (supported only in RFC
1483 Bridging mode) and extensions, respectively
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Data Specifications
MIBs
•
•
•
Bridge MIB - 2684
SNMP MIBs - 1471, 1472, 1473, 1474
MIB 1213 - MIB II
Default Session Parameter Values
Session Parameter
Bridge
IPoA Router
PPPoA-Router
PPPoE-Router
Protocol
State
RFC1483 - Bridge
RFC1483 - Router
Enable
PPPoA
PPPoE
Enable
Enable
Enable
IP Address
Subnet Mask
NAT
N/A
0.0.0.0
N/A (Dynamic)
N/A (Dynamic)
Disabled
RIPv2(Bcast)
RIP I & II
0
N/A (Dynamic)
N/A (Dynamic)
Disabled
RIPv2(Bcast)
RIP I & II
0
N/A
255.0.0.0
Disabled
RIPv2(Bcast)
RIP I & II
0
Not applicable
RIP Send
RIP Accept
N/A
N/A
0
Virtual Path ID (VPI: 0
- 4095)
Virtual Channel ID
(VCI: 32 - 65536)
0
0
0
0
ATM QoS
UBR
UBR
UBR
UBR
QoS Peak Cell Rate
(PCR)
5500
5500
5500
5500
QoS Sustainable Cell
Rate (SCR)
0
0
0
0
0
0
0
0
QoS Maximum Burst
Size (MBS)
Encapsulation
Login Name
LlcBridged
N/A
LlcRouted
N/A
LLC (Enabled)
admin
LLC (Enabled)
admin
Login Password
Authentication
N/A
N/A
password
CHAP
password
CHAP
N/A
N/A
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Appendix B: Specifications
HARDWARE SPECIFICATIONS
LED
•
•
•
Power
Ethernet: Link, Tx, Rx, Collision
DSL: Sync, Tx, Rx, Margin
Connectors
•
•
•
DSL Interface: RJ-11
10Base-T: RJ-45
Console Port: RJ-45 (serial connection to RS-232 for local configuration)
LAN Interface
•
•
10Base-T (IEEE 802.3i)
Connector: RJ-45 with MDI/MDI-X switch
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Hardware Specifications
WAN Interface
G.shdsl (Symmetrical High-Speed Digital Subscriber Line)
Maximum transmission rate:
Downstream
Upstream
2304 kbps for single-pair; 4608 kbps for two-pair
2304 kbps for single-pair; 4608 kbps for two-pair
Minimum transmission rate to sync 192 kbps for MM701G
384 kbps for MM702G
Connector
RJ-11
ATM (Asynchronous Transfer Mode)
ATM Adaptation Layer
AAL5 (ITU I.363.5)—Supports encapsulation and
de-encapsulation of AAL5 Protocol Data Units (PDUs) for
convergence. Segmentation and Reassembly (SAR) layer
segments and reassembles AAL5 PDUs into ATM cells that are
48 byte SAR-PDUs.
ATM Layer
Cell Format
Attaches or strips the 5-byte header to the 48-byte SAR-PDU.
Format complies with ITU I.361 ATM cell format. Cell delineation
complies with ITU I.432 Cell Delineation and HEC. Cells are fixed
length (53 bytes), including 5 bytes of header and 48 bytes of
payload. Included in the header are the VPI and VCI number.
Virtual Circuit type
Permanent Virtual Circuit (PVC) per ATM forum UNI Version 3.1.
Maximum Virtual Circuits
32 virtual circuits that can simultaneously connect to service
providers for sessions encapsulated either as PPP or RFC 1483
Bridging/Routing.
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Appendix B: Specifications
Connector Pinouts
DSL Port (RJ-11)
The following table shows the signal on each pin of the DSL port for a 2-wire G.shdsl
application. The connector for this interface is an RJ-11. The modem accommodates Tip and
Ring reversal on this one loop. See “Connect Cables” on page 3 for the location of this port.
Pin
Signal
1
2
3
4
5
6
Not used
No connection
Tip (Loop A)
Ring (Loop A)
No connection
Not used
The following table shows the signal on each pin of the DSL port for a 4-wire G.shdsl
application. The connector for this interface is an RJ-11. The modem accommodates Tip and
Ring reversal on each separate Loop A and Loop B. See “Connect Cables” on page 3 for the
location of this port.
Pin
Signal
1
2
3
4
5
6
Not used
Tip (Loop B)
Tip (Loop A)
Ring (Loop A)
Ring (Loop B)
Not used
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Hardware Specifications
10Base-T Port (RJ-45)
The following table shows the signal on each pin of the 10Base-T port connector when the
switch is in either the MDI or the MDI-X position. The connector for this interface is an RJ-45.
See “Connect Cables” on page 3 for the location of this port.
MDI
MDI-X
Signal
Description
1
2
3
4
5
6
7
8
3
6
1
4
5
2
7
8
TX+
Transmit Data (+)
Transmit Data (-)
Receive Data (+)
Not used
TX-
RD+
Not used
Not used
RD-
Not used
Receive Data (-)
Not used
Not used
Not used
Not used
Console Port (RJ-45)
The following table gives the signal designations and pin numbers for each end of the RJ-45 to
RS-232 cable that is used between the modem Console port (RJ-45) and the PC Serial port
(DB-9).
Modem
Console
(RJ-45)
PC RS-232 Serial Port
Signal
Description
(DB-9)
1
2
3
4
5
6
7
8
RTS
DTR
TxD
GND
GND
RxD
DSR
CTS
Ground
Ground
3
Transmit Data
Ground
5
2
Ground
Receive Data
Ground
Ground
144
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CONTACTING ADC
C
ADC Customer Service Group provides expert pre-sales and post-sales support and training for
all its products. Technical support is available 24 hours a day, 7 days a week by contacting the
ADC Technical Assistance Center (TAC).
Sales Assistance
•
•
•
Quotation Proposals
800.366.3891 extension 73000
(USA and Canada)
952.917.3000
Ordering and Delivery
General Product Information
Fax: 952.917.3237
Systems Integration
800.366.3891, extension 73000
(USA and Canada)
•
•
•
•
•
•
•
Complete Solutions (from concept to installation)
Network Design and Integration Testing
System Turn-Up and Testing
952.917.3000
Network Monitoring (upstream or downstream)
Power Monitoring and Remote Surveillance
Service/Maintenance Agreements
Systems Operation
ADC Technical Assistance Center
800.366.3891, extension 73223 or
952.917.3223
Fax: 952.917.3244
Email: wsd.support@adc.com
•
•
•
•
•
•
Technical Information
System/Network Configuration
Product Specification and Application
Training (product-specific)
Installation and Operation Assistance
Troubleshooting and Repair/Field Assistance
Online Technical Support
•
•
www.adc.com/technicalsupport
Online Technical Publications
www.adc.com/documentationlibrary/technicalpublications
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Product Return Department
800.366.3891 extension 73748 or
952.917.3748
•
ADC Return Material Authorization (RMA) number and
instructions must be obtained before returning products.
Fax: 952.917.3237
Email: repair&return@adc.com
All telephone numbers with an 800 prefix are toll-free in the USA and Canada.
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GLOSSARY
D
The Institute of Electrical and Electronic Engineers (IEEE) 802.3 specification for
Ethernet over thin coaxial cable.
10Base-T
AAL2
ATM Adaptation Layer 2. Used for compressed voice and video that is intolerant of
delay. This layer is used by xDSL technology.
ATM Adaptation Layer 5. AAL5 has been adopted by the ATM Forum from a Class of
Service called High Speed Data transfer. It typically supports all types of data traffic.
Originally designed to support TCP/IP.
AAL5
ATM
Asynchronous Transfer Mode is a high bandwidth, low delay, connection-oriented,
packet-like switching and multiplexing technique that uses 53-byte fixed-size cells to
transmit voice, video and data over a network. ATM layers define how cells are
formatted and provides the transport of the fixed length cells between the modem
and the service provider (or endpoints of the virtual connection).
The dissipation of the power of a transmitted signal as it travels over copper wire,
measured in decibels (dB).
attenuation
authentication
BER
Security feature offered through PAP and CHAP with PPP sessions.
Bit Error Rate is a measure of transmission quality. The ratio of error bits to the total
number of bits transmitted.
bit-per-second is the number of bits transferred during each second of data
transmission.
bps
Constant Bit Rate is a Service Class for the modem. It provides constant bit rate data
with a timing relationship between the source and the destination. Also, a traffic class
that carries a guaranteed constant bandwidth. Best suited for applications that require
fixed bandwidth, such as uncompressed voice, video and circuit emulation. CBR is a
Quality of Service class defined by the ATM Forum for ATM networks.
CBR
A fixed-length packet. Also, the unit of data transmission used in ATM. Each ATM cell
contains a fixed-size frame (53 bytes) consisting of a five-byte header and a 48-byte
payload.
cell
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A text string required for an SNMP trap to be received by a trap receiver(s). Also, a
text string that identifies an SNMP community and is associated with specific access
rights (read-only or read/write).
community
string
Cyclic Redundancy Check is a method used to verify the accuracy of data
transmission.
CRC
Dynamic Host Configuration Protocol. A TCP/IP protocol that enables PCs to obtain
IP addresses from a DHCP server that dynamically assigns IP addresses.
DHCP
DNS
Domain Naming System. A system for translating names of host computers into IP
addresses.
Communications from a service provider to a user.
downstream
traffic
The inclusion of data in a protocol header prior to transmission, which enables
successful data transmission between different protocol networks.
encapsulation
ES
Errored Seconds is the seconds during which errors occur that prevent the payload
from being corrected.
A protocol used for LAN traffic, which has a transfer rate of 10 or 100 Mbps.
Non-volatile memory that can be erased and reprogrammed.
Symmetrical High-Speed Digital Subscriber Line
Ethernet
flash memory
G.shdsl
A device (generally a router) that provides translation services to allow
communication between two dissimilar networks.
gateway
IP
Internet Protocol is a TCP/IP protocol that controls packet transmission.
A 32-bit address used in IP routing. The address consists of four octets separated by
decimals. The octets comprise a network section, a subnet section (optional) and a
host section.
IP address
Local Area Network is a physically connected group of devices between which data
transmission occurs at high speeds over relatively short distances.
LAN
LLC
Logical Link Control is an encapsulation protocol for data that you transmit from the
modem over the WAN in 1483 Bridging/Routing mode.
Loss Of Frame is an error indicating that the receiving equipment has lost a frame.
Loss Of Signal is an error indicating that the receiving equipment has lost the signal.
LOF
LOS
150
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Appendix D: Glossary
Media Access Control is a physical address associated with a device such as a NIC.
For modem configuration, the MAC is used to map inbound traffic (from a remote IP
address) to an internal (LAN) IP address. Used with 1483 Bridging/Routing Mode.
MAC
The noise margin in decibels that the modem must achieve with a BER of 10 -7 or
better to successfully complete initialization.
margin
Management Information Base is a set of variables that define the configuration and
status parameters for network management. Network management stations can
retrieve information from and write information to an MIB. The Internet Engineering
Task Force (IETF) specifies standard MIBS for certain types of devices, ensuring any
NMS can manage the devices. Vendors can specify proprietary MIBs for their devices
to fit specific needs.
MIB
NAT
Network Address Translation provides the means to map private IP addresses (LAN
IP addresses) to public IP addresses (WAN session IP addresses).
Non-Volatile Random Access Memory is a medium for storing system configuration
information, so the information is not lost when the system is reset.
NVRAM
octet
A TCP/IP term indicating eight bits.
Password Authentication Protocol and Challenge Handshake Authentication Protocol
are two ways to authenticate PPP sessions. With PAP, the modem sends
authentication requests to the service provider and authentication occurs only once
during the life of the link.
In CHAP, the service provider returns an authentication challenge to the modem
during authentication. CHAP can be renegotiated during the life of the link. Also, both
the modem and the service provider must support clear text versions of the
password. The CHAP host field must be the same on both ends of the session.
PAP/CHAP
Protocol Data Unit is data as it appears at the interface between a particular sublayer
and the sublayer immediately below.
PDU
Plain Old Telephone Service.
POTS
Point-to-Point Protocol exists between the hardware layer and the network-layer
interface protocols. It is a widely used protocol for establishing connections on the
Internet. PPP provides the set up and release of connections for each session.
PAP/CHAP provide the authentication for the PPP sessions.
PPP
The proxy IP address is the WAN IP address for one of the 32 sessions. The proxy
IP address is used to enter static NAT entries. See IP address.
proxy IP address
PVC
Permanent Virtual Circuit is a logical connection comprised of a predefined static
route across a packet-switched network that is always in place and always available.
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Quality of Service is the configured traffic parameters that are assigned to a virtual
circuit, which specifies how quickly and how accurately data is transferred from the
sender to the receiver.
QoS
RFC
Request For Comment is a series of notes that contain surveys, measurements, ideas,
techniques, and observations, as well as proposed and accepted TCP/IP protocol
standards. RFCs are available on the Internet.
Routing Information Protocol allows routers to update the routing tables
automatically (for example with information such as how many hops between
destinations). The version of RIP you select for the session must match the version
supported by the service provider. Versions RIP1 and RIP-1 compatible are used for
broadcast. Version RIP 2 is used for multicast.
RIP
Severely Errored Frames is the incoming signal has at least four consecutive errored
framing patterns.
SEF
SES
Severely Errored Seconds is the seconds during which more than 2,500 bipolar errors
are detected on the line.
The time during which two computers maintain a communication connection. An
example is a connection configured between the Megabit Modem and the service
provider.
session
SNMP
Simple Network Management Protocol is a protocol that specifies how to send
information between a NMS and managed devices on a network. The managed
devices run a program called an agent. The agent interprets SNMP request and
responds to them. SNMP is used to set device configurations, read device
configurations or read the device status.
A bridging protocol that detects and prevents loops from occurring in a system
containing multiple bridges.
Spanning Tree
subnet mask
A type of IP address that allows a site to use a single IP address for multiple physical
networks.
Transmission Control Protocol is a transport protocol used to map inbound traffic
(from a remote IP address) to an internal (LAN) IP address. Establishes connection
with remote user before data transmission.
TCP
Transmission Control Protocol/Internet Protocol is a protocol used for
communications between computers over networks and the internet.
TCP/IP
Trivial File Transfer Protocol is a protocol used to download card images or other files
from an external TFTP server to the NVRAM of any installed cards, or to upload files
from an installed card to an external TFTP server.
TFTP
PCs configured to receive SNMP traps (messages).
trap receivers
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Appendix D: Glossary
Autonomous, interrupt-driven, SNMP messages sent from a managed node to a
traps
UAS
UBR
network management station to indicate that an event has occurred.
UnAvailable Seconds is the number of seconds during which the line is unavailable.
Unspecified Bit Rate is an ATM traffic type used for LAN traffic. When network
congestion occurs, the data is stored in a buffer until it can be sent.
User Datagram Protocol is a transport protocol used to map inbound traffic (from a
remote IP address) to an internal (LAN) IP address. Uses a protocol port number for
the destination at the remote location.
UDP
Communications from a user to a service provider.
upstream traffic
VCI
Virtual Channel Identifier is a 16-bit field addressing identifier in the header of an ATM
cell used to route cell traffic. It identifies a particular VC link for a given VP.
Virtual Channel Multiplexer-based encapsulation used for networks with large
numbers of virtual channels making it practical to carry a single protocol per virtual
channel.
VCMUX
A Virtual Channel is a logical connection in the ATM network over which ATM cells are
transmitted.
VC
Virtual Path Identifier is an 8-bit field addressing identifier in the header of an ATM
cell that is used to route cell traffic. It identifies a particular VP link.
VPI
A Virtual Path is a group of VCs carried between two points. The VP provides a means
of bundling traffic traveling in the same direction. VPs are defined by a unique VPI
value.
VP
Wide Area Network is a network consisting of nodes located across a large
geographical area. Also, the connection between a service provider and MM Modem.
WAN
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Index
description 144
10/100Base-T connector pinouts 144
10Base-T, description 149
connecting to 100
A
adaptation layer 142
D
ATM
Data Specifications 137
adaptation layer 142
cell format 142
description 149
max VCs 142
specifications 142
Default Session Parameter Values 140
defaults
factory 130
settings 96
downstream 150
DSL
B
back-to-back
connector pinouts 143
managing 118
implementing 63
verifying connectivity 76
bridging specifications 139
quick configuration 58
E
C
Encapsulation 139
cell formats 142
CO modem, configuring 70
configuration, saving 131
configuring
F
factory defaults
CO modem 70
restoring 130
setting 96
CPE modem 66
connecting console port 100
connectivity, verifying back-to-back 76
connector pinouts 143
full duplex 64
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Index
H
P
HTTP, software updating 96
Physical Specifications 141
pinouts 143
I
point-to-point, LAN extension 63
PPP, specifications 139
IAD, rebooting 55
implementing, back-to-back 63
installing, modem 63
L
rebooting, IAD 55
LAN
rebooting, modem 134
restoring, factory defaults 130
extending 63
setting up 118
troubleshooting 64
M
S
MAC, description 151
saving current configuration 131
managing
setting factory defaults 96
DSL 118
IAD 39
system 57
modem
telnet 103
installing 63
rebooting 134
storage 1
WAN 106
SHDSL, specifications 142
software, HTTP update 96
specifications 135
ATM 142
modem, rebooting 55
N
NAT
description 151
setting up 118
bridging 139
PPP 139
network interface card (NIC) 64
routing 139
SHDSL 142
WAN interface 142
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Index
status, viewing 82
storage 1
U
updating system software 53, 96
subnet mask description 152
system
upstream description 153
V
managing 57
verifying back-to-back connectivity 76
updating software 53, 96
viewing information 133
viewing
error counters 84
status 82
T
technical specifications 135
system information 133
telnet, setting up 103
TFTP
W
description 152
see HTTP 132
troubleshooting
Ethernet NIC 64
LAN connection 64
interface specifications 142
setting up 106
web interface
managing IAD 39
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Index
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ADC DSL Systems, Inc.
14402 Franklin Avenue
Tustin, CA 92780
Technical Assistance
Tel: 800.366.3891, ext. 73223
Tel: 952.917.3223
Fax: 952.917.3244
Email: wsd.support@adc.com
DOCUMENT: MM70XG-UM-01
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