Cisco Catalyst IOS 12.x Switches [1]
Switch(config)# aaa new-model
Switch(config)# radius-server host <imRAD IP address> auth-port 1812 key acct-port 1813 <shared secret>
Switch(config)# aaa authentication login default radius local
Switch(config)# aaa authorization network default radius
Switch(config)# aaa authorization exec default radius
Switch(config)# aaa accounting network default start-stop radius
Switch(config)# aaa accounting exec default start-stop radius
Cisco Catalyst IOS 15 Switches [2]

File:2960x_chapter_0110.pdf

Switch(config)# aaa new-model
Switch(config)# radius-server host <imRAD IP address> auth-port 1812 acct-port 1813 key <shared secret>
Switch(config)# aaa authentication login default radius local
Switch(config)# aaa authorization network radius
Switch(config)# aaa authorization exec radius
Switch(config)# aaa accounting network start-stop radius
Switch(config)# aaa accounting exec start-stop radius