5
Contents
New in this release 9
Features 9
Advanced Security features 9
Introduction 11
Before you begin 11
Text conventions 11
Related publications 13
How to get help 14
Getting help from the Nortel Web site 14
Getting help through a Nortel distributor or reseller 14
Getting help over the phone from a Nortel Solutions Center 14
Getting help from a specialist by using an Express Routing Code 15
Using security in your network 17
Setting management passwords 17
Console/TELNET/Web password Configuration 17
Username and password 17
Logging on 18
Configuring Security options 18
RADIUS-based network security 20
MAC address-based security 21
EAPOL-based security 21
EAPoL with Guest VLAN 23
EAPOL Security Configuration 23
Password security 24
Password length and valid characters 24
Password retry 24
Password history 24
Password display 24
Password verification 24
Password aging time 25
Read-Only and Read-Write passwords must be different 25
Applicable passwords 25
Enabling and disabling password security 25
Nortel Ethernet Routing Switch 2500 Series
Security — Configuration and Management
NN47215-505 (323165-B) 02.01 Standard
4.1 19 November 2007
Copyright © 2007, Nortel Networks
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