Note that the Configuring RADIUS Login Authentication is a little bit different according to the image version of your devices. The below is just an example and you must verify how configures from the manual of your devices.
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]
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 Switch(config)# radius-server attribute 31 send nas-port-detail
- ↑ https://www.cisco.com/en/US/docs/switches/lan/catalyst3850/software/release/3se/consolidated_guide/b_consolidated_3850_3se_cg_chapter_0110100.html#task_1091464
- ↑ https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2960x/software/15-0_2_EX/security/configuration_guide/b_sec_152ex_2960-x_cg/b_sec_152ex_2960-x_cg_chapter_0110.html