IBM Switch 8276 User Manual

Extending switching benefits to the users desktop  
IBM 8276 Nways Ethernet RoutePort  
Features  
PowerfulVLAN extension  
Highlights  
The IBM 8276 NwaysEthernet  
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 IBMs 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  
users 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  
benefitstotheusers 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.  
 
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.  
 
© 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 Users 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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