Cisco WS-C2960S-48LPD-L Software Guide - Page 214
radius-server key
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Configuring IEEE 802.1x Authentication Chapter 9 Configuring IEEE 802.1x Port-Based Authentication Step 4 Command radius-server host ip-address [acct-port udp-port] [auth-port udp-port] [test username name [idle-time time] [ignore-acct-port] [ignore-auth-port]] [key string] Purpose (Optional) Configure the RADIUS server parameters by using these keywords: • acct-port udp-port-Specify the UDP port for the RADIUS accounting server. The range for the UDP port number is from 0 to 65536. The default is 1646. • auth-port udp-port-Specify the UDP port for the RADIUS authentication server. The range for the UDP port number is from 0 to 65536. The default is 1645. Note You should configure the UDP port for the RADIUS accounting server and the UDP port for the RADIUS authentication server to nondefault values. • test username name-Enable automated testing of the RADIUS server status, and specify the username to be used. • idle-time time-Set the interval of time in minutes after which the switch sends test packets to the server. The range is from 1 to 35791 minutes. The default is 60 minutes (1 hour). • ignore-acct-port-Disable testing on the RADIUS-server accounting port. • ignore-auth-port-Disable testing on the RADIUS-server authentication port. • key string-Specify the authentication and encryption key for all RADIUS communication between the switch and the RADIUS daemon. Note Always configure the key as the last item in the radius-server host command syntax because leading spaces are ignored, but spaces within and at the end of the key are used. If you use spaces in the key, do not enclose the key in quotation marks unless the quotation marks are part of the key. This key must match the encryption used on the RADIUS daemon. Step 5 Step 6 dot1x critical {eapol | recovery delay milliseconds} interface interface-id You can also configure the authentication and encryption key by using the radius-server key {0 string | 7 string | string} global configuration command. (Optional) Configure the parameters for inaccessible authentication bypass: eapol-Specify that the switch sends an EAPOL-Success message when the switch successfully authenticates the critical port. recovery delay milliseconds-Set the recovery delay period during which the switch waits to re-initialize a critical port when a RADIUS server that was unavailable becomes available. The range is from 1 to 10000 milliseconds. The default is 1000 milliseconds (a port can be re-initialized every second). Specify the port to be configured, and enter interface configuration mode. For the supported port types, see the "IEEE 802.1x Authentication Configuration Guidelines" section on page 9-20. 9-34 Catalyst 2960 Switch Software Configuration Guide OL-8603-04
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