Planet Technology Network Router XRT 401E User Manual

Internet Broadband Router  
XRT-401E  
Users Manual  
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Trademarks  
The PLANET logo is a trademark of PLANET Technology. This documentation may refer to  
numerous hardware and software products by their trade names. In most, if not all cases, these  
designations are claimed as trademarks or registered trademarks by their respective companies.  
Revision  
Users Manual for PLANET Internet Broadband Router:  
Model: XRT-401E  
Rev: 1.0 (Jan. 2005)  
Part No.: 2080-B40060-000  
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TABLE OF CONTENTS  
Chapter 1 Introduction..............................................................1  
1.1 Features...................................................................................................... 1  
1.2 Minimum Requirements .............................................................................. 1  
1.3 Package Contents....................................................................................... 1  
1.4 Get to know XRT-401E ............................................................................... 2  
1.5 Setup Diagram............................................................................................ 3  
1.6 Getting started ............................................................................................ 3  
Chapter 2 Wizard ....................................................................10  
2.1 Cable Modem............................................................................................ 12  
2.2 Fixed-IP xDSL........................................................................................... 12  
2.3 Dial-Up xDSL (PPPoE) ............................................................................. 13  
2.4 PPTP ........................................................................................................ 14  
2.5 L2TP ......................................................................................................... 15  
Chapter 3 Advance Features ...................................................18  
3.1 System...................................................................................................... 18  
3.1.1 System Status .................................................................................... 19  
3.1.2 System Settings ................................................................................. 20  
3.1.3 Administrator Settings ........................................................................ 21  
3.1.4 Firmware Upgrade.............................................................................. 22  
3.1.5 Configuration Tool.............................................................................. 23  
3.1.6 System Log ........................................................................................ 24  
3.2 WAN ......................................................................................................... 25  
3.2.1 Dynamic IP......................................................................................... 26  
3.2.2 Static IP Address................................................................................ 26  
3.2.3 PPPoE (PPP over Ethernet)............................................................... 27  
3.2.4 PPTP.................................................................................................. 28  
3.2.5 L2TP................................................................................................... 30  
3.2.6 DNS.................................................................................................... 31  
3.3 LAN........................................................................................................... 32  
3.4 NAT........................................................................................................... 33  
3.4.1 Virtual Server...................................................................................... 34  
3.4.2 Special Applications ........................................................................... 35  
3.4.3 Port Forwarding.................................................................................. 36  
3.4.4 ALG Settings ...................................................................................... 37  
3.4.5 DMZ.................................................................................................... 38  
3.5 Firewall...................................................................................................... 38  
3.5.1 Firewall Options.................................................................................. 39  
3.5.2 Client Filtering .................................................................................... 40  
3.5.3 URL Filtering ...................................................................................... 42  
3.5.4 MAC Control....................................................................................... 42  
3.6 Routing ..................................................................................................... 43  
3.7 UPnP ........................................................................................................ 44  
3.8 DDNS........................................................................................................ 45  
Appendix A..............................................................................46  
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Glossary..................................................................................48  
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Chapter 1 Introduction  
Congratulations on purchasing PLANET XRT-401E. This Broadband Router is a cost-effective IP  
Sharing Router that enables multiple users to share the Internet through an ADSL or cable  
modem. Simply configure your Internet connection settings in XRT-401E and plug your PC to the  
LAN port and you're ready to share files and access the Internet. As your network grows, you can  
connect another hub or switch to the routers LAN ports, allowing you to easily expand your  
network. XRT-401E provides a total solution for the Small Business (SMB) and the Small  
Office/Home Office (SOHO) markets, giving you an instant network today, and the flexibility to  
handle tomorrow's expansion and speed.  
1.1 Features  
Allow multiple users to share a single Internet line  
Supports up to 253 users  
Internet Access via Cable or xDSL modem  
Access Private LAN Servers from the Public Network  
Equipped with four LAN ports (10/100M) and one WAN port (10/100M)  
Support DHCP (Server/Client) for easy setup  
Support advance features such as: Special Applications, Port Mapping, DMZ, Virtual  
Servers, ALG, and Firewall options.  
Allow you to monitor the routers status such as: System Status and System Log.  
Easy to use Web-based GUI for configuration and management purposes  
Remote Management allows configuration and upgrades from a remote site (over the  
Internet)  
1.2 Minimum Requirements  
One External xDSL (ADSL) or Cable modem with an Ethernet port (RJ-45)  
Network Interface Card (NIC) for each Personal Computer (PC)  
PCs with a Web-Browser (Internet Explorer 4.0 or higher, or Netscape Navigator 4.7 or  
higher)  
1.3 Package Contents  
One XRT-401E unit  
One Quick Installation Guide  
One User Manual CD  
One Power Adapter  
The WAN idle timeoutauto-disconnect function may not work due to abnormal  
activities of some network application software; computer virus or hacker attacks  
from the Internet. For example, some software sends network packets to the  
Internet in the background, even when you are not using the Internet. So please  
turn off your computer when you are not using it. This function also may not work  
with some ISP. So please make sure this function can work properly when you use  
this function in the first time, especially when your ISP charge you by time used.  
?Note  
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1.4 Get to know XRT-401E  
Back Panel  
The diagram below shows XRT-401Es back panel. The routers back panel is divided into three  
sections, LAN (1, 2, 3, 4), WAN and Reset:  
1) Local Area Network (LAN)  
XRT-401Es 4 LAN ports are where you connect your LANs PCs, printer servers, hubs and  
switches etc.  
2) Wide Area Network (WAN)  
The WAN port is the segment connected to your xDSL or Cable modem and is linked to the  
Internet.  
3) Reset  
The Reset button allows you to do one of two things.  
1) If problems occur with your router, press the routers reset button with a pencil tip (for  
less than 3 seconds) and the router will re-boot itself, keeping your original  
configurations.  
2) If problems persist or you experience extreme problems or you forgot your password,  
press the reset button for longer than 3 seconds and the router will reset itself to the  
factory default settings (warning: your original configurations will be replaced with  
the factory default settings)  
Front Panel  
On XRT-401Es front panel there are LED lights that inform you of machine current status. Below  
is an explanation of each LED and its description.  
LED  
PWR  
Light Status  
ON  
Description  
Routers power supply is on  
WAN 100  
ON  
Off  
ON  
WAN port 100Mbps is connected  
WAN port 10Mbps is connected  
WAN is connected  
WAN LNK/ACT  
OFF  
No WAN connection  
Flashing  
WAN port has Activity (ACT), data being sent  
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LAN  
(Port 1-4)  
LAN  
100  
ON  
OFF  
ON  
LAN port 100Mbps is connected  
LAN port 10Mbps is connected  
LAN is connected  
LNK/ACT  
(Port 1-4)  
OFF  
No LAN connection  
Flashing  
LAN port has Activity (ACT), data being sent  
1.5 Setup Diagram  
Figure 1.2 below shows a typical setup for a Local Area Network (LAN).  
Figure 1.2  
1.6 Getting started  
This is a step-by-step instruction on how to start using the router and get connected to the  
Internet.  
1) Setup your network as shown in the setup diagram above (fig 1.2).  
2) You then need to set your LAN PC clients so that it can obtain an IP address automatically.  
All LAN clients require an IP address. Just like an address, it allows LAN clients to find one  
another.  
Configure your PC to obtain an IP address automatically  
By default XRT-401Es DHCP is on, this means that you can obtain an IP address  
automatically once youve configured your PC to obtain an IP address automatically. This  
section will show you how to configure your PCs so that it can obtain an IP address  
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automatically for either Windows 95/98/Me, 2000 or NT operating systems. For other  
operating systems (Macintosh, Sun, etc.), follow the manufacturers instructions. The  
following is a step-by-step illustration on how to configure your PC to obtain an IP address  
automatically for 2a) Windows 95/98/Me, 2b) Windows XP, 2c) Windows 2000 and 2d)  
Windows NT.  
2a) Windows 95/98/Me  
1: Click the Start button and select Settings, then click Control Panel. The Control Panel  
window will appear.  
2: Double-click Network icon. The Network window will appear.  
3: Check your list of Network Components. If TCP/IP is not installed, click the Add button to  
install it now. If TCP/IP is installed, go to step 6.  
4: In the Network Component Type dialog box, select Protocol and click Add button.  
5: In the Select Network Protocol dialog box, select Microsoft and TCP/IP and then click the  
OK button to start installing the TCP/IP protocol. You may need your Windows CD to  
complete the installation.  
6: After installing TCP/IP, go back to the Network dialog box. Select TCP/IP from the list of  
Network Components and then click the Properties button.  
7: Check each of the tabs and verify the following settings:  
Bindings: Check Client for Microsoft Networks and File and printer sharing for  
Microsoft Networks.  
Gateway: All fields are blank.  
DNS Configuration: Select Disable DNS.  
WINS Configuration: Select Disable WINS Resolution.  
IP Address: Select Obtain IP address automatically.  
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8: Reboot the PC. Your PC will now obtain an IP address automatically from your  
Broadband Routers DHCP server.  
Please make sure that XRT-401Es DHCP server is the only DHCP server  
available on your LAN.  
?Note:  
Once youve configured your PC to obtain an IP address automatically, please proceed to  
Step 3  
2b) Windows XP  
1: Click the Start button and select Settings, then click Network Connections. The Network  
Connections window will appear.  
2: Double-click Local Area Connection icon. The Local Area Connection window will appear.  
3: Check your list of Network Components. You should see Internet Protocol [TCP/IP] on  
your list. Select it and click the Properties button.  
4: In the Internet Protocol (TCP/IP) Properties window, select Obtain an IP address  
automatically and Obtain DNS server address automatically as shown on the following  
screen.  
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5: Click OK to confirm the setting. Your PC will now obtain an IP address automatically  
from your Broadband Routers DHCP server.  
Please make sure that XRT-401Es DHCP server is the only DHCP server  
available on your LAN.  
?Note:  
Once youve configured your PC to obtain an IP address automatically, please proceed to  
Step 3.  
2c) Windows 2000  
1: Click the Start button and select Settings, then click Control Panel. The Control Panel  
window will appear.  
2: Double-click Network and Dial-up Connections icon. In the Network and Dial-up  
Connection window, double-click Local Area Connection icon. The Local Area  
Connection window will appear.  
3: In the Local Area Connection window, click the Properties button.  
4: Check your list of Network Components. You should see Internet Protocol [TCP/IP] on  
your list. Select it and click the Properties button.  
5: In the Internet Protocol (TCP/IP) Properties window, select Obtain an IP address  
automatically and Obtain DNS server address automatically as shown on the following  
screen.  
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6: Click OK to confirm the setting. Your PC will now obtain an IP address automatically  
from your Broadband Routers DHCP server.  
Please make sure that XRT-401Es DHCP server is the only DHCP server  
available on your LAN.  
?Note:  
Once youve configured your PC to obtain an IP automatically, please proceed to Step 3.  
2d) Windows NT  
1: Click the Start button and select Settings, then click Control Panel. The Control Panel  
window will appear.  
2: Double-click Network icon. The Network window will appear. Select the Protocol tab from  
the Network window.  
3: Check if the TCP/IP Protocol is on your list of Network Protocols. If TCP/IP is not  
installed, click the Add button to install it now. If TCP/IP is installed, go to step 5.  
4: In the Select Network Protocol window, select the TCP/IP Protocol and click the Ok  
button to start installing the TCP/IP protocol. You may need your Windows CD to  
complete the installation.  
5: After you install TCP/IP, go back to the Network window. Select TCP/IP from the list of  
Network Protocols and then click the Properties button.  
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6: Check each of the tabs and verify the following settings:  
IP Address: Select Obtain an IP address from a DHCP server.  
DNS: Let all fields are blank.  
WINS: Let all fields are blank.  
Routing: Let all fields are blank.  
7: Click OK to confirm the setting. Your PC will now obtain an IP address automatically  
from your Broadband Routers DHCP server.  
Please make sure that XRT-401Es DHCP server is the only DHCP server  
available on your LAN.  
?Note:  
Once youve configured your PC to obtain an IP address automatically, please proceed to  
Step 3.  
3) Once you have configured your PCs to obtain an IP address automatically, the routers DHCP  
server will automatically give your LAN clients an IP address. By default XRT-401Es DHCP  
server is enabled so that you can obtain an IP address automatically. To see if you have  
obtained an IP address, see Appendix A.  
Note: Please make sure that XRT-401Es DHCP server is the only DHCP server available on  
your LAN. If there is another DHCP on your network, then youll need to switch one of the  
DHCP servers off. (To disable XRT-401Es DHCP server see chapter 3 LAN Port)  
4) Once your PC has obtained an IP address from your router, enter the default IP address  
192.168.0.1 (broadband routers IP address) into your PCs web browser and press <enter>  
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5) The login screen below will appear. Enter the User Nameand Passwordand then click  
<OK> to login.  
Note: By default the user name is adminand the password is admin. For security  
reasons it is recommended that you change the password as soon as possible (in  
General setup/system/password, see chapter 3)  
6) Click on Wizard (see chapter 2) to start configuring settings required by your ISP so that you  
can start accessing the Internet. The other sections do not need to be configured unless you  
wish to implement/monitor more advance features/information.  
Select the section you wish to configure and proceed to the corresponding chapter. Use the  
selections on the web managements top page to navigate around the web-based management  
User Interface.  
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Chapter 2 Wizard  
The Wizard section is designed to get you using XRT-401E as quick as possible. In the Wizard  
you are required to fill in only the information necessary to access the Internet. Once you click on  
the Wizard in the web page, you should see the screen below.  
Step 1) Host settings  
The Host Settings allows your router to set up Host name and Domain name, it also can set up its  
Time Zone and Daylight Saving Time, these will affect functions such as Log entries and Firewall  
settings.  
Parameter  
Description  
Host Name  
Domain Name  
Optional. You can specify a Host name for XRT-401E.  
Optional. You can specify a Domain name to annotate your  
LAN area.  
Time Zone  
Select the time zone of the country you are currently in. The  
router will set its time based on your selection.  
Daylight Savings  
The XRT-E can also take Daylight savings into account. If you  
wish to use this function, you must select the enable box to  
enable your daylight saving configuration.  
Click on NEXT to proceed to the next page (step 2) WAN Settings.  
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Step 2) WAN settings  
In this section you have to select one of these types of connections that you will be using to  
connect your XRT-E Routers WAN port to your ISP (see screen below).  
Different ISPs require different methods of connecting to the Internet, please  
check with your ISP as to the type of connection it requires.  
?Note:  
Menu  
Description  
2.1 Cable Modem  
2.2 Fixed-IP xDSL  
2.3 Dial-Up xDSL (PPPoE)  
Your ISP will automatically give you an IP address  
Your ISP has given you an IP address already  
Your ISP requires you to use a Point-to-Point Protocol over  
Ethernet (PPPoE) connection.  
2.4 PPTP  
2.5 L2TP  
Your ISP requires you to use a Point-to-Point Tunneling Protocol  
(PPTP) connection.  
Layer 2 Tunneling Protocol is a common connection method  
used in xDSL connections.  
Click on one of the WAN types and then proceed to the manuals relevant sub-section (2.1, 2.2,  
2.3, 2.4 or 2.5). Click on Back to return to the previous screen.  
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2.1 Cable Modem  
Choose Cable Modem if your ISP will automatically give you an IP address. Some ISPs may also  
require that you fill in additional information such as MAC address (see screen below).  
The MAC address section is optional and you can skip this section if your ISP does  
not require these settings for you to connect to the Internet.  
?Note:  
Parameter  
Description  
MAC Cloning  
If you want to clone your PCs MAC address to XRT-401E, you  
must enable it first.  
MAC Address  
Your ISP may require a particular MAC address in order for  
you to connect to the Internet. This MAC address is the PCs  
MAC address that your ISP had originally connected your  
Internet connection to. Type in this MAC address in this section  
or use the Clone MAC Address button to replace the WAN  
MAC address with the MAC address of that PC (you have to be  
using that PC for the Clone MAC Address button to work).  
2.2 Fixed-IP xDSL  
Select Fixed-IP xDSL if your ISP has given you a specific IP address to use. Your ISP should  
provide all the information required in this section.  
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Parameter  
Description  
IP address assigned by  
your ISP  
This is the IP address that your ISP has given  
you.  
Subnet Mask  
Enter the Subnet Mask provided by your ISP  
(e.g. 255.255.255.0)  
ISP Gateway Address  
This is the ISPs IP address gateway.  
2.3 Dial-Up xDSL (PPPoE)  
Select Dial-Up xDSL (PPPoE) if your ISP requires the PPPoE protocol to connect you to the  
Internet. Your ISP should provide all the information required in this section.  
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Parameter  
Description  
User Name  
Enter the User Name provided by your ISP for the PPPoE  
connection.  
Password  
Enter the Password provided by your ISP for the PPPoE  
connection.  
Retype Password  
Service Name  
Re-enter the Password for confirmation.  
This is optional. Enter the Service name should your ISP  
requires it, otherwise leave it blank.  
Maximum Idle Time  
You can specify an idle time threshold (seconds) for the WAN  
port. This means if no packets have been sent (no one using  
the Internet) during this specified period, the router will  
automatically disconnect the connection with your ISP.  
2.4 PPTP  
Select PPTP if your ISP requires the PPTP protocol to connect you to the Internet. Your ISP  
should provide all the information required in this section.  
Parameter  
Description  
PPTP Account  
Enter the PPTP Account provided by your ISP for the PPTP  
connection.  
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PPTP Password  
Enter the Password provided by your ISP for the PPTP  
connection.  
Retype Password  
Service IP Address  
My IP Address  
Re-enter the Password for confirmation.  
Specify PPTP Server IP address that you want to connect to.  
This is the IP address that your ISP has given you to establish  
a PPTP connection.  
My Subnet Mask  
Enter the Subnet Mask provided by your ISP.  
255.255.255.0)  
(e.g.  
Connection ID  
This is the ID given by ISP. This is optional.  
Maximum Idle Time  
You can specify an idle time threshold (seconds) for the WAN  
port. This means if no packets have been sent (no one using  
the Internet) during this specified period, the router will  
automatically disconnect the connection with your ISP.  
2.5 L2TP  
Select L2TP if your ISP requires the L2TP protocol to connect you to the Internet. Your ISP  
should provide all the information required in this section.  
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Parameter  
Description  
L2TP Account  
Enter the L2TP Account provided by your ISP for the PPTP  
connection.  
L2TP Password  
Enter the Password provided by your ISP for the L2TP  
connection.  
Retype Password  
Service IP Address  
My IP Address  
Re-enter the Password for confirmation.  
Specify L2TP Server IP address that you want to connect to.  
This is the IP address that your ISP has given you to establish  
a L2TP connection.  
My Subnet Mask  
Enter the Subnet Mask provided by your ISP.  
(e.g. 255.255.255.0)  
Maximum Idle Time  
You can specify an idle time threshold (seconds) for the WAN  
port. This means if no packets have been sent (no one using  
the Internet) during this specified period, the router will  
automatically disconnect the connection with your ISP.  
Step 3) DNS  
A Domain Name System (DNS) server is like an index of IP addresses and Web addresses. If  
name in its index and the matching IP address. Most ISPs provide a DNS server for speed and  
convenience. If your Service Provider connects you to the Internet with dynamic IP settings, it is  
likely that the DNS server IP address is provided automatically. However, if there is a DNS server  
that you would rather use, you need to specify the IP address of that DNS server here.  
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Parameter  
Description  
Static DNS Server  
Primary DNS Address  
Select Enabledto allow configuring DNS manually.  
This is the ISPs DNS server IP address that they gave you; or  
you can specify your own preferred DNS server IP address.  
Secondary DNS Address  
This is optional. You can enter another DNS servers IP  
address as a backup. The secondary DNS will be used if the  
above DNS fail.  
Click <Finish> when you have finished the configuration above. Congratulations! You have  
completed the connection configuration. You can start using the router now.  
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Chapter 3 Advance Features  
If you have already configured the Wizard, you do NOT need to configure anything for you to start  
using the Internet.  
Advance features that allow you to configure the router to meet your networks needs such as:  
Special Applications, Port Mapping, DMZ, Virtual Servers, ALG, and Firewall option.  
Below is a general description of what advance functions are available for this broadband router.  
Menu  
Description  
3.1 System  
This section allows you to set XRT-401Es system settings,  
password and Remote Management Administrator, it also allows  
you to check system status and log, and provide you the  
configuration tools.  
3.2 WAN  
3.3 LAN  
3.4 NAT  
This section allows you to select the connection method in order  
to establish a connection with your ISP (same as the Wizard  
section)  
You can specify the LAN segments IP address, subnet Mask,  
enable/disable DHCP and select an IP range for your LAN, you  
also can check DHCP client list in here.  
You can configure the Virtual Server, Special Applications, Port  
Mapping, ALG and DMZ functions in this section. This allows you  
to specify what user/packet can pass your routers NAT.  
3.5 Firewall  
3.6 Routing  
3.7 UPnP  
The Firewall section allows you to configure Firewall, Client  
Filtering, URL Filtering and MAC Control.  
You can configure Static Routing in this section, and check the  
concurrent Routing Table.  
The UPnP section allows you to enable and configure UPnP  
function.  
3.8 DDNS  
You can configure DDNS service in this section.  
Select one of the above advance features selections and proceed to the manuals relevant sub-  
section  
3.1 System  
This section allows you to set XRT-401Es system settings, password and Remote Management  
Administrator, it also allows you to check system status and log, and provide you the  
configuration tools.  
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Parameters  
Description  
System Settings  
3.1.1 System Status  
You can check system information in here, including  
system status and concurrent hardware information.  
3.1.2 System Settings  
This section Includes Host Name, Domain Name, Time  
Zone, Daylight Saving and NAT enable/disable.  
3.1.3 Administrator Settings  
Allows you to set user name, password and the idle time  
out, you can specify a Host IP address that can perform  
remote management functions.  
3.1.4 Firmware Upgrade  
3.1.5 Configuration Tools  
This section allows you to upgrade the routers firmware  
and display the concurrent firmware version.  
This section allows you to backup or restore the routers  
configuration. It also allows you to restart router or reset  
it to factory default setting.  
3.1.6 System Log  
This section shows the current system and security log  
of XRT-401E, you also can specify a syslog server to  
save the log remotely.  
3.1.1 System Status  
The section allows you to check XRT-401E system status and concurrent hardware information.  
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Parameter  
Description  
INTERNET  
This item shows XRT-401Es current device settings. It  
displays XRT-401E LAN ports current LAN IP Address,  
Subnet Mask, Gateway, DNS and Connection Type.  
GATEWAY  
This item displays XRT-401E current device settings,  
including IP Address, Subnet Mask, DHCP Server,  
NAT and Firewall Status.  
INFORMATION  
This item displays XRT-401E hardware device settings,  
including Connected Clients, Runtime Code Version  
and MAC Address.  
3.1.2 System Settings  
The system screen allows you to specify a time zone, to specify the Host Name and Domain  
Name, and to enable or disable NAT function of XRT-401E.  
Parameters  
Host Name  
Description  
Optional. You can specify a Host name for XRT-401E.  
Domain Name  
Optional. You can specify a Domain name to annotate your LAN  
area.  
Set Time Zone  
Select the time zone of the country you are currently in. The  
router will set its time based on your selection.  
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Daylight Saving  
NAT  
The XRT-401E can also take Daylight savings into account. If  
you wish to use this function, you must select the enable box to  
enable your daylight saving configuration.  
Select to enable or disable NAT function.  
3.1.3 Administrator Settings  
The Administrator Settings function allows you to design user name, password and the idle time,  
it also can allow you to configure Remote Management function.  
Parameters  
Description  
Password Settings  
User Name  
To specify a login name, the default is admin.  
Enter the current password for verification.  
Current Password  
Password  
Type a new password in order to access the web-based management  
website.  
Re-type Password  
Re-type the password for confirmation.  
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Idle Time Out  
If the inactive time exceeds the setting, XRT-401E will logout  
automatically. 0 means No timeout.  
Remote Management  
Enable  
To enable Remote Management function.  
IP Address  
This is the IP address of the host in the Internet that will have  
management/configuration access to XRT-401E from a remote site. If the  
IP Address is 0.0.0.0, this means anyone can access the routers web  
console from a remote location  
Port  
The port number of remote management web interface.  
3.1.4 Firmware Upgrade  
This page allows you to upgrade the routers firmware.  
Parameters  
Description  
Firmware Upgrade  
This tool allows you to upgrade XRT-401Es system firmware. To  
upgrade the firmware of your Broadband router, you need to  
download the firmware file to your local hard disk, and enter that  
file name and path in the appropriate field on this page. You can  
also use the Browse button to find the firmware file on your PC.  
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3.1.5 Configuration Tool  
The Configuration Tools screen allows you to save (Backup) the routers current configuration  
setting. Saving the configuration settings provides an added protection and convenience, if the  
problems occur with the router and you have to reset to factory default. When you save the  
configuration setting (Backup) you can re-load the saved configuration into the router through the  
Restore selection. If extreme problems occur, you can use the Restore to Factory Defaults  
selection, this will set all configurations to its original default settings (e.g. when you first  
purchased the router). You also can Restart the routers system if any problems exist.  
Parameters  
Description  
Restart System  
In the event that the system stops responding correctly or in  
some way stops functioning, you can perform a reset. Your  
settings will not be changed.  
Restore Factory Default  
Backup Settings  
If extreme problems occur, you can use the Restore Factory  
Default selection, this will set all configurations to its original  
default settings (e.g. when you first purchased the router).  
Backup the configuration settings provide an added protection  
and convenience, if the problems occur with the router and you  
have to reset to factory default.  
Restore Settings  
When you save the configuration setting (Backup) you can re-  
load the saved configuration into the router through the Restore  
Settings selection.  
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3.1.6 System Log  
The Logs record various types of activity on XRT-401E. This data is useful for troubleshooting,  
but enabling all logs will generate a large amount of data and adversely affect performance.  
Since only a limited amount of log data can be stored in XRT-401E, log data can also be E-  
mailed to your PC or sent to a Syslog Server.  
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Parameters  
System Log  
Security Log  
Description  
The Log records the router operating of activity on XRT-401E.  
The Log shows the current security log of XRT-401E. At the top  
of the content, the security log can be saved.  
Remote Log Setting  
Remote Log  
Select <Enabled> to allow saving the log to Syslog Server.  
Enter the IP address of your Syslog Server.  
Send Log to  
Email Log  
Select <Enabled> to allow mailing the log to specific user.  
Enter the mail address that your want to mail log to.  
Send Email to  
SMTP Server  
Enter the address or IP address of the SMTP (Simple Mail  
Transport Protocol) Server you use for outgoing E-mail.  
3.2 WAN  
Use the WAN Settings screen if you have already configured the Wizard section and you would  
like to change your Internet connection type. The WAN Settings screen allows you to specify the  
type of WAN port connect you want to establish with your ISP. The WAN settings offer the  
following selections for the routers WAN port, Dynamic IP, Static IP Address, PPPoE, PPTP,  
L2TP and DNS.  
Parameters  
Description  
3.2.1 Dynamic IP  
Your ISP will automatically give you an IP address  
3.2.2 Static IP address  
Your ISP has given you an IP address already  
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3.2.3 PPPoE  
3.2.4 PPTP  
Your ISP requires PPPoE connection.  
Your ISP requires you to use a Point-to-Point Tunneling  
Protocol (PPTP) connection.  
3.2.5 L2TP  
Your ISP requires L2TP connection.  
3.2.1 Dynamic IP  
Choose the Dynamic IP selection if your ISP will automatically give you an IP address. Some  
ISPs may also require that you fill in additional information such as MAC address (see chapter 2  
Cable Modemfor more detail). Select Big Pond if your ISP requires the Big Pond protocol to  
connect you to the Internet.  
Parameters  
BigPond  
Description  
Select <Enabled> if your ISP requires the Big Pond protocol to  
connect you to the Internet.  
3.2.2 Static IP Address  
Select Static IP address if your ISP has given you one or more IP address for you to use. Your  
ISP should provide all the information required in this section. (See chapter 2 Fixed IPfor more  
detail)  
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Parameters  
Description  
Does ISP provide more IP  
addresses?  
Select <Yes> if your ISP provide more than one IP address.  
More IP address  
Type the other IP address that ISP provide to you, this IP  
address will be useful in DMZ function.  
3.2.3 PPPoE (PPP over Ethernet)  
Select PPPoE if your ISP requires the PPPoE protocol to connect you to the Internet. Your ISP  
should provide all the information required in this section. (See chapter 2 PPPoEfor more detail)  
Parameters  
Description  
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Connection Mode  
Select the desired option:  
Keep-alive (maintain connection)  
The connection will never be disconnected by this device. If  
disconnected by your ISP, the connection will be re-established  
immediately. (However, this does not ensure that your Internet IP  
address will remain unchanged.)  
Auto-Connect  
An Internet connection is automatically made when required, and  
disconnected when idle for the time period specified by the  
"Maximum Idle Time (60~3600)".  
Manual-on  
You must manually establish and terminate the connection.  
3.2.4 PPTP  
Select PPTP if your ISP requires the PPTP protocol to connect you to the Internet. Your ISP  
should provide all the information required in this section.  
Parameter  
Description  
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WAN Interface Settings  
Dynamic IP  
To configure WAN Interface IP  
The ISP requires you to obtain an IP address by DHCP before  
connecting to the PPTP server.  
MAC Cloning  
Select <Enabled> to allow replacing the WAN MAC address  
with a specific MAC address.  
MAC Address  
Your ISP may require a particular MAC address in order for  
you to connect to the Internet. This MAC address is the PCs  
MAC address that your ISP had originally connected your  
Internet connection to. Type in this MAC address in this  
section or use the Clone MAC Addressbutton to replace  
the WAN MAC address with the MAC address of that PC.  
Static IP  
The ISP gives you a static IP to be used to connect to the  
PPTP server. You must type in the related IP address such as  
IP Address, Subnet Mask and Gateway.  
PPTP Settings  
PPTP Account  
Enter the PPTP Account provided by your ISP for the PPTP  
connection.  
PPTP Password  
Enter the Password provided by your ISP for the PPTP  
connection.  
Retype Password  
PPTP Gateway  
Re-enter the Password for confirmation.  
If your LAN has a PPTP gateway, then enter that PPTP  
gateway IP address or domain name here. If you do not have  
a PPTP gateway then enter the ISPs Gateway IP address  
above or domain name.  
Connection ID  
This is the ID given by ISP. This is optional.  
Maximum Idle Time  
You can specify an idle time threshold (seconds) for the WAN  
port. This means if no packets have been sent (no one using  
the Internet) during this specified period, the router will  
automatically disconnect the connection with your ISP.  
Connection Mode  
Select the desired option:  
Keep-alive (maintain connection)  
The connection will never be disconnected by this device. If  
disconnected by your ISP, the connection will be re-  
established immediately. (However, this does not ensure that  
your Internet IP address will remain unchanged.)  
Auto-Connect  
An Internet connection is automatically made when required,  
and disconnected when idle for the time period specified by  
the "Maximum Idle Time (60~3600)".  
Manual-on  
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You must manually establish and terminate the connection.  
MPPE  
Select <Enabled> to enable Microsoft Point to Point  
Encryptionability.  
3.2.5 L2TP  
Select L2TP if your ISP requires the L2TP protocol to connect you to the Internet. Your ISP  
should provide all the information required in this section.  
Parameter  
Description  
WAN Interface Settings  
Dynamic IP  
To configure WAN Interface IP  
The ISP requires you to obtain an IP address by DHCP before  
connecting to the L2TP server.  
MAC Cloning  
Select <Enabled> to allow replacing the WAN MAC address  
with a specific MAC address.  
MAC Address  
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Your ISP may require a particular MAC address in order for  
you to connect to the Internet. This MAC address is the PCs  
MAC address that your ISP had originally connected your  
Internet connection to. Type in this MAC address in this  
section or use the Clone MAC Addressbutton to replace  
the WAN MAC address with the MAC address of that PC.  
Static IP  
The ISP gives you a static IP to be used to connect to the  
PPTP server. You must type in the related IP address such as  
IP Address, Subnet Mask and Gateway.  
L2TP Settings  
L2TP Account  
Enter the L2TP Account provided by your ISP for the L2TP  
connection.  
L2TP Password  
Enter the Password provided by your ISP for the L2TP  
connection.  
Retype Password  
L2TP Gateway  
Re-enter the Password for confirmation.  
If your LAN has a L2TP gateway, then enter that L2TP  
gateway IP address or domain name here. If you do not have  
a L2TP gateway then enter the ISPs Gateway IP address  
above or domain name.  
Maximum Idle Time  
Connection Mode  
You can specify an idle time threshold (seconds) for the WAN  
port. This means if no packets have been sent (no one using  
the Internet) during this specified period, the router will  
automatically disconnect the connection with your ISP.  
Select the desired option:  
Keep-alive (maintain connection)  
The connection will never be disconnected by this device. If  
disconnected by your ISP, the connection will be re-  
established immediately. (However, this does not ensure that  
your Internet IP address will remain unchanged.)  
Auto-Connect  
An Internet connection is automatically made when required,  
and disconnected when idle for the time period specified by  
the "Maximum Idle Time (60~3600)".  
Manual-on  
You must manually establish and terminate the connection.  
3.2.6 DNS  
A Domain Name System (DNS) server is like an index of IP addresses and Web addresses. If  
name in its index and the matching IP address. (See chapter 2 DNSfor more detail)  
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3.3 LAN  
The LAN Port screen below allows you to specify a private IP address for your routers LAN ports  
as well as a subnet mask for your LAN segment.  
Parameters  
Default  
Description  
LAN Settings  
IP address  
192.168.0.1  
This is the routers LAN port IP address (Your  
LAN clients default gateway IP address)  
IP Subnet Mask  
DHCP Server  
255.255.255.0  
Enabled  
Specify a Subnet Mask for your LAN segment  
You can enable or disable the DHCP server. By  
enabling the DHCP server the router will  
automatically give your LAN clients an IP  
address. If the DHCP is not enabled then youll  
have to manually set your LAN clients IP  
addresses; make sure the LAN Client is in the  
same subnet as this broadband router if you  
want the router to be your LAN clients default  
gateway  
IP Pool Starting/Ending Address  
You can select a particular IP address range for  
your DHCP server to issue IP addresses to your  
LAN Clients.  
Note: By default the IP range is from: Start IP  
192.168.0.2 to End IP 192.168.0.254.  
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Lease Time  
The DHCP when enabled will temporarily give  
your LAN clients an IP address. In the Lease  
Time setting you can specify the time period that  
the DHCP lends an IP address to your LAN  
clients. The DHCP will change your LAN clients  
IP address when this time threshold period is  
reached  
DNS Proxy  
Select <Enabled> that all DNS requests to a  
specific Domain Name will be routed to the XRT-  
401Es IP address. If you want to use the DNS  
Proxy function of the device, the end users main  
DNS server IP address should be the same IP  
Address as the device.  
DHCP Client List  
You can check your current status of the DHCP  
client here, it also allow you to add the client IP  
address with specific MAC address manually.  
3.4 NAT  
Network Address Translation (NAT) allows multiple users at your local site to access the Internet  
through a single Public IP Address or multiple Public IP Addresses. NAT provides Firewall  
protection from hacker attacks and has the flexibility to allow you to map Private IP Addresses to  
Public IP Addresses for key services such as Websites and FTP. To meet various field  
applications, XRT-401E NAT function can be disabled to as a regular router. If NAT is disabled,  
all LAN side workstations must have valid IP addresses for Internet access. If the router is used  
for routing application, not for Internet access, then the NAT function can be disabled.  
Parameter  
Description  
3.4.1 Virtual Server  
You can have different services (e.g. email, FTP, Web  
etc.) going to different service servers/clients in your  
LAN. The Virtual Server allows you to re-direct a  
particular service port number (from the Internet/WAN  
Port) to a particular LAN IP address and its service port  
number.  
3.4.2 Special Applications  
3.4.3 Port Forwarding  
Some applications require multiple connections, such as  
Internet games, video conferencing, Internet telephony  
and others. In this section you can configure the router  
to support these types of applications.  
You can have different services (e.g. email, FTP, Web  
etc.) going to different service servers/clients in your  
LAN. The Port Forwarding allows you to re-direct a  
particular range of service port numbers (from the  
Internet/WAN Ports) to a particular LAN IP address.  
3.4.4 ALG Setting  
You can select special applications that need  
Application Layer Gatewayto support here.  
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3.4.5 DMZ  
The DMZ function allows you to re-direct all packets  
going to your WAN port IP address to a particular IP  
address in your LAN.  
3.4.1 Virtual Server  
Use the Virtual Server function when you want different servers/clients in your LAN to handle  
different service/Internet application type (e.g. Email, FTP, Web server etc.) from the Internet.  
Computers use numbers called port numbers to recognize a particular service/Internet application  
type. The Virtual Server allows you to re-direct a particular service port number (from the  
Internet/WAN Port) to a particular LAN private IP address and its service port number.  
Parameters  
Private IP  
Description  
This is the LAN client/host IP address that the Public Port  
number packet will be sent to.  
Note: You need to give your LAN PC clients a fixed/static IP  
address for Virtual Server to work properly.  
Private Port  
This is the port number (of the above Private IP host) that the  
below Public Port number will be changed to when the packet  
enters your LAN (to the LAN Server/Client IP)  
Type  
Select the port number protocol type (TCP, UDP or both). If you  
are unsure, then leave it to the default both protocols.  
Public Port  
Enter the service (service/Internet application) port number from  
the Internet that will be re-directed to the above Private IP  
address host in your LAN  
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Comment  
Enable  
The description of this setting.  
To enable the rule of Virtual Server.  
3.4.2 Special Applications  
Some applications require multiple connections, such as Internet games, video conferencing,  
Internet telephony and others. In this section you can configure the router to support multiple  
connections for these types of applications.  
Parameters  
Trigger Port  
Description  
This is the out going (Outbound) range of port numbers for this  
particular application  
Trigger Type  
Public Port  
Select whether the outbound port protocol is TCP, UDPor  
both.  
Enter the In-coming (Inbound) port or port range for this type of  
application (e.g. 2300-2400, 47624)  
Note: Individual port numbers are separated by a comma  
(e.g. 47624, 5775, 6541 etc.). To input a port range use a dash”  
to separate the two port number range (e.g. 2300-2400)  
Public Type  
Comment  
Enable  
Select the Inbound port protocol type: TCP, UDPor both  
The description of this setting.  
To enable the rule of the Special Application function.  
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Example: Special Applications  
If you need to run applications that require multiple connections, then specify the port (outbound)  
normally associated with that application in the "Trigger Port" field. Then select the protocol type  
(TCP or UDP) and enter the public ports associated with the trigger port to open them up for  
inbound traffic.  
Example:  
ID Trigger Port Trigger Type  
Public Port  
2300-2400, 47624  
6112  
Public Type  
TCP  
Comment  
MSN Game Zone  
Battle.net  
1
2
28800  
6112  
UDP  
UDP  
UDP  
In the example above, when a user triggers port 28800 (outbound) for MSN Game Zone then the  
router will allow incoming packets for ports 2300-2400 and 47624 to be directed to that user.  
Note: Only one LAN client can use a particular special application at a time.  
3.4.3 Port Forwarding  
The Port Forwarding allows you to re-direct a particular range of service port numbers (from the  
Internet/WAN Ports) to a particular LAN IP address. It helps you to host some servers behind the  
router NAT firewall.  
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Parameter  
Server IP  
Description  
This is the private IP of the server behind the  
NAT firewall.  
Note: You need to give your LAN PC clients a  
fixed/static IP address for Port Forwarding to  
work properly.  
Mapping Ports  
Type  
The range of ports to be forward to the private IP.  
This is the protocol type to be forwarded. You  
can choose to forward TCPor UDPpackets  
only or select bothto forward both TCPand  
UDPpackets.  
Comment  
Enable  
The description of this setting.  
To enable the rule of Port Forwarding  
3.4.4 ALG Settings  
You can select applications that need Application Layer Gatewayto support.  
Parameters  
Enable  
Default  
Description  
You can select to enable Application Layer  
Gatewayof an application and then the router  
will let that application correctly pass though the  
NAT gateway.  
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3.4.5 DMZ  
If you have a local client PC that cannot run an Internet application (e.g. Games) properly from  
behind the NAT firewall, then you can open the client up to unrestricted two-way Internet access  
by defining a DMZ Host. The DMZ function allows you to re-direct all packets going to your WAN  
port IP address to a particular IP address in your LAN. The difference between the virtual server  
and the DMZ function is that the virtual server re-directs a particular service/Internet application  
(e.g. FTP, websites) to a particular LAN client/server, whereas DMZ re-directs all packets  
(regardless of services) going to your WAN IP address to a particular LAN client/server.  
Parameters  
Enable  
Description  
Enable/disable DMZ  
Public IP Address  
The IP address of the WAN port or any other Public IP  
addresses given to you by your ISP  
IP Address of Virtual DMZ  
Input the IP address of a particular host in your LAN that will  
receive all the packets originally going to the WAN port/Public IP  
address above.  
Action  
Press <Add> to add DMZ rule.  
3.5 Firewall  
XRT-401E provides extensive firewall protection by restricting connection parameters, thus  
limiting the risk of hacker attack, and defending against a wide array of common Internet attacks.  
Parameters  
Description  
2.5.1 Firewall Options  
XRT-401E's firewall can block common hacker attacks and can  
log the attack activities.  
2.5.2 Client Filtering  
Client Filtering allows you to specify which hosts users can or  
cannot access to certain Internet applications by IP address.  
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2.5.3 URL Filtering  
2.5.4 MAC Control  
URL Filtering allow you to specify which URLs can not be  
accessed by users.  
MAC Control allows you to specify which hosts users can or  
cannot access to Internet by MAC address.  
3.5.1 Firewall Options  
XRT-401E's firewall can block common hacker attacks, including Denial of Service, Ping of Death,  
Port Scan and Sync Flood. If Internet attacks occur the router can log the events.  
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Parameters  
Description  
Firewall Options  
Enable Hacker Attack Protect  
Select it to enable Firewall Options function.  
Discard Ping From WAN  
The routers WAN port will not respond to any  
Ping requests  
Unallow to Ping the Gateway  
The routers LAN port will not respond to any  
Ping requests  
Drop Port Scan Packets  
Protection the router from Port Scan.  
Allow to Scan Security Port (113)  
Select to allow Identification Protocol (Port 113)  
to be scanned.  
Discard NetBIOS Packets  
Accept Fragment Packets  
Send ICMP packets when error  
Select to not allow NetBIOS protocol to pass  
through router.  
Select to allow Fragment Packets passing  
through.  
Select to allow sending ICMP error packets to  
the node who send out the wrong packets..  
Advanced settings  
Hacker Attack Patterns  
IP Spoofing  
Protection the router from IP Spoofing attack.  
Protection the router from Smurf Attack attack.  
Smurf Attack  
Ping of Death  
Land Attack  
Protection the router from Ping of Death attack.  
Protection the router from Land Attack attack.  
Snork Attack  
UDP Port Loop  
Sync Flood  
Protection the router from Snork Attack attack.  
Protection the router from UDP Port Loop attack.  
Protection the router from Sync Flood attack.  
Protection the router from Short Packet attack.  
Short Packet  
3.5.2 Client Filtering  
You can filter Internet access for local clients based on IP addresses, application types, (i.e.,  
HTTP port), and time of day.  
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Parameters  
Enable Client Filter  
IP  
Description  
Select to enable Client Filteringfunction.  
Enter the IP address range that you wish to apply this  
rule.  
Port  
You can assign the specific port ranges. The router will  
block clients from accessing Internet services that use  
these ports.  
Type  
This allows you to select UDP, TCP or both protocols  
that you want to block.  
Block Time  
Select <Always> router will block the access forever.  
Select <Block> router will block the access according to  
the time schedule.  
Day  
Select a certain days in the week to block the access.  
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Time  
Select a certain time in a day that you want to block.  
The description of this setting.  
Comment  
Enable  
To enable the rule of Client Filtering  
3.5.3 URL Filtering  
You can block access to some Web sites from particular PCs by entering a full URL address or  
just keyword of the Web site.  
Parameters  
Description  
Enable URL Blocking  
IP  
Enable/disable URL Blocking  
Enter the IP address range that you wish to apply this  
rule.  
URL filter string  
Enable  
You can enter the full URL address or the keyword of the  
web site you want to block.  
To enable the rule of URL Filtering.  
3.5.4 MAC Control  
You can filter Internet access for local clients based on MAC Address.  
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Parameters  
Description  
MAC Address Control  
MAC Address Control  
Check Enabledto enable MAC Filtering.  
Select Filter out or only accept the following  
MAC address connects to Internet.  
Configure MAC Address  
MAC Address  
Fill in or MAC Addressand Commentof the  
PC, or select the MAC Address from Action,  
and then click Add.  
3.6 Routing  
This section allows you to set XRT-401Es static route and check the current routing table. The  
routing is only for internal routing using, so you do not need to disable NAT function.  
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Parameters  
Description  
Destination LAN IP, Subnet Mask  
Specify the destination LAN IP where the  
packets will be routing to.  
Gateway  
Specify the other gateway IP that will route the  
packets to the destination.  
3.7 UPnP  
With UPnP, all PCs in you Intranet will discover this router automatically. So you do not have to  
do any configuration for your PC and can access the Internet through this router easily.  
Parameters  
Description  
Enable UPnP  
After you enable the UPnP feature, all client  
systems that support UPnP, like Windows XP,  
can discover this router automatically and  
access the Internet through this router without  
any configuration.  
UPnP Port Number  
Specify the port number for UPnP service using.  
Advertise Time (60 ~ 1800)  
When UPnP service is working, router will  
broadcast a message to LAN that the specific  
port number has been used in a period of time.  
The maximum timing is up to 1800 seconds.  
Subscribe Timeout (60 ~ 1800)  
When client stops responding UPnP service for  
a period of time, router will break down the  
UPnP connection automatically and UPnP  
service will be in standby mode. The maximum  
time is up to 1800 seconds.  
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3.8 DDNS  
DDNS allows you to map the static domain name to a dynamic IP address. You must get an  
account, password and your static domain name from the DDNS service providers.  
Parameters  
Description  
Enable/Disable  
Host Name  
Enable/Disable the DDNS function of this router  
Your static domain name that use DDNS.  
Select a DDNS service provider.  
DDNS Server  
User Name  
The account that your DDNS service provider  
assigned to you.  
Password  
The password you set for the DDNS service  
account above.  
DDNS Retry Time  
To set up the time schedule to refresh DDNS  
setting.  
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Appendix A  
How to Manually find your PCs IP and MAC address  
1) In Windows open the Command Prompt program  
2) Type ipconfig /all and <enter>  
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Your PCs IP address is the one entitled IP address (192.168.0.7)  
The routers IP address is the one entitled Default Gateway (192.168.0.1)  
Your PCs MAC Address is the one entitled Physical Address (00-48-54-12-41-44)  
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Glossary  
Default Gateway (Router): Every non-router IP device needs to configure a default gateways IP  
address. When the device sends out an IP packet, if the destination is not on the same network,  
the device has to send the packet to its default gateway, which will then send it out towards the  
destination.  
DHCP: Dynamic Host Configuration Protocol. This protocol automatically gives every computer  
on your home network an IP address.  
DNS Server IP Address: DNS stands for Domain Name System, which allows Internet servers to  
as 192.34.45.8). A DNS server keeps a database of Internet servers and their respective domain  
names and IP addresses, so that when a domain name is requested (as in typing  
DNS server IP address used by the computers on your home network is the location of the DNS  
server your ISP has assigned to you.  
DSL Modem: DSL stands for Digital Subscriber Line. A DSL modem uses your existing phone  
lines to transmit data at high speeds.  
Ethernet: A standard for computer networks. Ethernet networks are connected by special cables  
and hubs, and move data around at up to 10/100 million bits per second (Mbps).  
Idle Timeout: Idle Timeout is designed so that after there is no traffic to the Internet for a pre-  
configured amount of time, the connection will automatically be disconnected.  
IP Address and Network (Subnet) Mask: IP stands for Internet Protocol. An IP address consists  
of a series of four numbers separated by periods, that identifies a single, unique Internet  
computer host in an IP network. Example: 192.168.0.1. It consists of 2 portions: the IP network  
address, and the host identifier.  
The IP address is a 32-bit binary pattern, which can be represented as four cascaded decimal  
numbers separated by .: aaa.aaa.aaa.aaa, where each aaacan be anything from 000 to 255,  
or as four cascaded binary numbers separated by .: bbbbbbbb.bbbbbbbb.bbbbbbbb.bbbbbbbb,  
where each bcan either be 0 or 1.  
A network mask is also a 32-bit binary pattern, and consists of consecutive leading  
1s followed by consecutive trailing 0s, such as  
11111111.11111111.11111111.00000000. Therefore sometimes a network mask can also be  
described simply as xnumber of leading 1s.  
When both are represented side by side in their binary forms, all bits in the IP address that  
correspond to 1s in the network mask become part of the IP network address, and the remaining  
bits correspond to the host ID.  
For example, if the IP address for a device is, in its binary form,  
11011001.10110000.10010000.00000111, and if its network mask is,  
11111111.11111111.11110000.00000000  
It means the devices network address is  
11011001.10110000.10010000.00000000, and its host ID is,  
00000000.00000000.00000000.00000111. This is a convenient and efficient method for routers  
to route IP packets to their destination.  
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ISP Gateway Address: (see ISP for definition). The ISP Gateway Address is an IP address for  
the Internet router located at the ISP's office.  
ISP: Internet Service Provider. An ISP is a business that provides connectivity to the Internet for  
individuals and other businesses or organizations.  
LAN: Local Area Network. A LAN is a group of computers and devices connected together in a  
relatively small area (such as a house or an office). Your home network is considered a LAN.  
MAC Address: MAC stands for Media Access Control. A MAC address is the hardware address  
of a device connected to a network. The MAC address is a unique identifier for a device with an  
Ethernet interface. It is comprised of two parts: 3 bytes of data that corresponds to the  
Manufacturer ID (unique for each manufacturer), plus 3 bytes that are often used as the products  
serial number.  
NAT: Network Address Translation. This process allows all of the computers on your home  
network to use one IP address. Using XRT-401Es NAT capability, you can access the Internet  
from any computer on your home network without having to purchase more IP addresses from  
your ISP.  
Port: Network Clients (LAN PC) uses port numbers to distinguish one network  
application/protocol over another. Below is a list of common applications and protocol/port  
numbers:  
Application  
Telnet  
Protocol Port Number  
TCP  
TCP  
TCP  
TCP  
TCP  
UCP  
UDP  
TCP  
TCP  
23  
FTP  
21  
SMTP  
25  
POP3  
110  
1720  
161  
162  
80  
H.323  
SNMP  
SNMP Trap  
HTTP  
PPTP  
1723  
5631  
5632  
PC Anywhere TCP  
PC Anywhere UDP  
PPPoE: Point-to-Point Protocol over Ethernet. Point-to-Point Protocol is a secure data  
transmission method originally created for dial-up connections; PPPoE is for Ethernet  
connections. PPPoE relies on two widely accepted standards, Ethernet and the Point-to-Point  
Protocol. It is a communications protocol for transmitting information over Ethernet between  
different manufacturers  
Protocol: A protocol is a set of rules for interaction agreed upon between multiple parties so that  
when they interface with each other based on such a protocol, the interpretation of their behavior  
is well defined and can be made objectively, without confusion or misunderstanding.  
Router: A router is an intelligent network device that forwards packets between different  
networks based on network layer address information such as IP addresses.  
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Subnet Mask: A subnet mask, which may be a part of the TCP/IP information provided by your  
ISP, is a set of four numbers (e.g. 255.255.255.0) configured like an IP address. It is used to  
create IP address numbers used only within a particular network (as opposed to valid IP address  
numbers recognized by the Internet, which must be assigned by InterNIC).  
TCP/IP, UDP: Transmission Control Protocol/Internet Protocol (TCP/IP) and Unreliable Datagram  
Protocol (UDP). TCP/IP is the standard protocol for data transmission over the Internet. Both TCP  
and UDP are transport layer protocol. TCP performs proper error detection and error recovery,  
and thus is reliable. UDP on the other hand is not reliable. They both run on top of the IP (Internet  
Protocol), a network layer protocol.  
WAN: Wide Area Network. A network that connects computers located in geographically  
separate areas (e.g. different buildings, cities, countries). The Internet is a wide area network.  
Web-based management Graphical User Interface (GUI): Many devices support a graphical  
user interface that is based on the web browser. This means the user can use the familiar  
Netscape or Microsoft Internet Explorer to Control/configure or monitor the device being managed.  
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