39

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

Page 39
Image 39
Nortel Networks manual Nortel Ethernet Routing Switch 2500 Series stacking, Stacking capabilities