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Nortel Ethernet Routing Switch 2500
Series stacking
This chapter includes information about the stacking features, such as stack
capabilities, stacking functionality delivery, stack configuration, and Auto Unit
Replacement. This chapter contains information about the following topics:
•
"Stacking capabilities" (page 39)
•
"Stacking functionality delivery" (page 40)
•
"Stack configuration" (page 45)
•
"Auto Unit Replacement" (page 54)
Stacking capabilities
The Nortel Ethernet Routing Switch 2500 Series contain two built-in rear
ports that can be used as stacking/cascade ports to enable a stack of up to
eight units.
A stack can consist of Nortel Ethernet Routing Switch 2526T, Nortel Ethernet
Routing Switch 2550T, Nortel Ethernet Routing Switch 2526T-PWR, and
Nortel Ethernet Routing Switch 2550T-PWR units.
The stack ports on ERS 2500 series switches provide 4Gbps (FDX) stack
bandwidth for an aggregate of up to 32Gbps for a stack of eight units.
A stack of Ethernet Routing Switch 2500 series switches can also consist of
a mix of stack pre-enabled units as well as non pre-enabled units. The non
pre-enabled units in a stack must meet the following requirements before
they are added into a stack configuration:
•
contain a valid license file (a license file contains the switch MAC
addresses)
•
Operational mode of rear ports operating in Stacking Mode
Nortel Ethernet Routing Switch 2500 Series
Overview — System Configuration
NN47215-500 (323162-B) 02.02 Standard
4.1 19 November 2007
Copyright © 2007, Nortel Networks
.