Catalyst 3750-E and 3560-E Switch Cisco IOS ... - DNIP . NET

Chapter 2Catalyst 3750-E and 3560-E Switch Cisco IOS Commandsradius-server hostCommand ModesGlobal configurationCommand HistoryRelease12.2(35)SE2ModificationThis command was introduced.Usage GuidelinesWe recommend that you configure the UDP port for the RADIUS accounting server and the UDP portfor the RADIUS authentication server to nondefault values.Use the test username name keywords to enable automatic server testing of the RADIUS server statusand to specify the username to be used.You can configure the authentication and encryption key by using the radius-server host ip-address keystring or the radius-server key {0 string | 7 string | string} global configuration command. Alwaysconfigure the key as the last item in this command.ExamplesThis example shows how to configure 1500 as the UDP port for the accounting server and 1510 as theUDP port for the authentication server:Switch(config)# radius-server host 1.1.1.1 acct-port 1500 auth-port 1510This example shows how to configure the UDP port for the accounting server and the authenticationserver, enable automated testing of the RADIUS server status, specify the username to be used, andconfigure a key string:Switch(config)# radius-server host 1.1.1.2 acct-port 800 auth-port 900 test usernameaaafail idle-time 75 key abc123You can verify your settings by entering the show running-config privileged EXEC command.Related CommandsCommanddot1x critical (global configuration)dot1x critical (interfaceconfiguration)radius-server key {0 string | 7 string |string}show running-configDescriptionConfigures the parameters for the inaccessible authenticationbypass feature.Enables the inaccessible authentication bypass feature on aninterface and configures the access VLAN to which the switchassigns the critical port when the port is in thecritical-authentication state.Sets the authentication and encryption key for all RADIUScommunications between the router and the RADIUS daemon.For syntax information, select Cisco IOS Security CommandReference, Release 12.2 > Server Security Protocols >RADIUS Commands.Displays the operating configuration. For syntax information,use this link to the Cisco IOS Release 12.2 CommandReference listing page:http://www.cisco.com/en/US/products/sw/iosswrel/ps1835/prod_command_reference_list.htmlSelect the Cisco IOS Commands Master List, Release 12.2to navigate to the command.OL-9776-08Catalyst 3750-E and 3560-E Switch Command Reference2-459