Extending switching benefits to the user’s desktop
IBM 8276 Nways Ethernet RoutePort
Features
PowerfulVLAN extension
Highlights
The IBM 8276 Nways™ Ethernet
Users connected to an 8273 or 8274
through the 8276 inherit the benefits of
their powerful VLAN implementation. The
8276 can support up to 32 policy-based
VLANs on a single segment. A single
VLAN can span multiple segments.
RoutePort provides a 36-port Ethernet
port switching concentrator that
• Flexible-port switching concen-
trator
complements IBM’s powerful 8273 and
8274 Nways RouteSwitches and 8271
Nways LAN Switches. Used in combina-
tion with one of these switches, the 8276
extends the benefits of switching to the
user’s desktop. It’s a good solution for
customers who want the advantages of
switching, LAN segmentation, virtual
LANs (VLANs), routing and increased
bandwidth but who can’t justify the cost
of providing10 Mbps to every desktop.
• Low-costextensionofswitching
benefitstotheuser’s desktop
• Internalsoftwaresegmentation
• Reduced device count
Reducing current and
futurecosts
LAN equipment and administration costs
are major expenses when expanding
networks. Per-port costs are of particular
concern for both current and future
needs. Use of the 8276 with one of IBM’s
powerful LAN switches maximizes user
function at minimum port cost and allows
for future expansion at minimum
additional cost.
• Easy administration with power-
ful, graphicalmanagementtools
• Simple configuration
The 8276 allows all of its ports to be
divided via software into as many as four
independent Ethernet segments,
providing an effective bandwidth of
40 Mbps. And depending on your model
selection, up to two of the 36 ports on
each 8276 can be configured as optical
fiber links.
• CompatiblewithotherIBM
EthernetLANswitches
Simplified changes
The ability to dynamically add, delete or
move users and make other network
changes through software means that
administrators can reconfigure the
network without cable changes or
network downtime. Being able to easily
move users from one segment to another
provides simple bandwidth manage-
ment for improved network performance
and user response.
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Features
Benefits
Internal software
Cost reduction
Highly flexible subnetting and domain segments assignments.
Replaces multiple hardware concentrators, thereby reducing the number of devices
requiring management.
8273 connection
Extends switching benefits to the desktop.
Large number of ports
Integrated network
The extended benefits of switching are achieved at a low cost per port.
Powerful control and configuration management capabilities without network disruption.
Model number matrix for the 8276
Model number
No. of 10BASE-T
No. of 10BASE-FL SC
No. of 10BASE-FL ST
RJ-45 ports
(multimode) ports
(single-mode) ports
360
361
362
363
364
365
36
35
34
35
34
34
0
1
2
0
0
1
0
0
0
1
2
1
A set of15 LEDs provide an
Formoreinformation
indication of port link integrity
Software allows the 8276 to be config-
ured internally as one to four indepen-
dent Ethernet segments. Any or all of the
36 Ethernet ports can be assigned to any
of the four segments. These assignments
can be altered via software at any time,
without affecting uninvolved ports.
To find out more about the IBM 8276
Ethernet RoutePort and other high-
performance IBM communications and
networking products, contact your IBM
representative or call IBM Direct at
1 800 IBM-CALL (1800 426-2255). You
can also access the IBM Networking
Home Page at
Copies of this and other related product
specification sheets can be obtained
from the IBM FAX Information Service by
dialing 1 800 IBM-4-FAX
(1 800 426-4329) in the U.S.or Canada or
by dialing 415 855-4329 outside the U.S.
and Canada and requesting the
document number 7213.
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© International Business Machines Corporation1997
IBM 8276 Nways Ethernet RoutePort at a glance
IBMCorporation
DepartmentTYCA
POBox12195
Models
360,361, 362,363, 364, 365
36
LAN ports
Other ports
RTP NC 27709
ProducedintheUnitedStatesofAmerica
3-97
AllRightsReserved
One serial port, EIA 232-C, 9-pin D connector, configured
as an IBM AT® serial port (DTE)
Memory
2 MB of flash
ReferencesinthispublicationtoIBMproductsor
services do not imply that IBM intends to make them
availableinallcountriesinwhichIBMoperates.
1 MB of DRAM
Data rate
10 Mbps
Copyingordownloadingtheimagescontainedinthis
documentisexpresslyprohibitedwithoutthewritten
consent of IBM.
Maximum frame size
Internal segments
Physical specification
1518 by tes
4 maximum
® IBM,AIX,AT and NetView are registered trademarks of
InternationalBusinessMachineCorporation.
Width: 432 mm (17 in.)
Depth: 330 mm (13 in.)
Height: 51 mm (2 in.)
Weight: 4.1kg (9 lb)
™ Nways is a trademark of International Business
MachinesCorporation.
® WindowsisaregisteredtrademarkofMicrosoft
Corporation.
Standards compliance
Warranty
IEEE 803.2; IAB RFC 826; IAB RFC 894
1 year
® UNIXisaregisteredtrademarkintheUnitedStates
andothercountrieslicensedexclusivelythroughX/
OpenCompanyLimited.
Related publications
• IBM Nways RouteSwitch User’s Guide, GA27-4166
• IBM Nways RouteSwitch User’s Release Note, GC30-3874
• IBM 8273 Nways Ethernet RouteSwitch specification
sheet, G224-4524
Allothercompanynamesorproductsaretrademarks
orregisteredtrademarksoftheirrespective
companies.
Printedonrecycledpaper
G224-4449-00
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