11IntroductionThis guide provides information about configuring and managing securityfeatures on the Nortel Ethernet Routing Switch 2500 Series.This guide describes the features of the following Nortel switches:• Nortel Ethernet Routing Switch 2526T• Nortel Ethernet Routing Switch 2526T-PWR• Nortel Ethernet Routing Switch 2550T• Nortel Ethernet Routing Switch 2550T-PWRThe term "Ethernet Routing Switch 2500 Series" is used in this document todescribe the features common to the switches mentioned above.A switch is referred to by its specific name when a feature is describedthat is exclusive to the switch.Before you beginThis guide is intended for network administrators who have the followingbackground:• basic knowledge of networks, Ethernet bridging, and IP routing• familiarity with networking concepts and terminology• basic knowledge of network topologiesText conventionsThis guide uses the following text conventions:Nortel Ethernet Routing Switch 2500 SeriesSecurity — Configuration and ManagementNN47215-505 (323165-B) 02.01 Standard4.1 19 November 2007Copyright © 2007, Nortel Networks.
