Dell PowerConnect 7048P User Manual - Page 526

NOTE: To enable 802.1X Monitor Mode to help troubleshoot authentication issues, use the dot1x system-auth-control monitor command in Global Configuration mode. To view 802.1X authentication events and information, use the show dot1x authentication-history { | all} [failed-auth-only] [detail] command in Privileged EXEC mode. To clear the history, use the clear dot1x authenticationhistory command. Configuring Additional 802.1X Interface Settings Beginning in Privileged EXEC mode, use the following commands to configure 802.1X interface settings such as the reauthentication period and switch-to-client retransmission time. Command Purpose configure Enter Global Configuration mode. interface interface Enter interface configuration mode for the specified interface. The interface variable includes the interface type and number, for example gigabitethernet 1/0/3. You can also specify a range of interfaces with the interface range command, for example, interface range gigabitethernet 1/0/8-12 configures interfaces 8, 9, 10, 11, and 12. dot1x reauthentication Enable periodic re-authentication of the client. dot1x timeout reauthperiod seconds Set the number of seconds between re-authentication attempts. dot1x timeout servertimeout seconds Set the time that the switch waits for a response from the authentication server. dot1x timeout tx-period Set the number of seconds that the switch waits for a seconds response to an Extensible Authentication Protocol (EAP)- request/identity frame from the client before resending the request. dot1x timeout quietperiod seconds Set the number of seconds that the switch remains in the quiet state following a failed authentication exchange (for example, the client provided an invalid password). 526 Configuring 802.1X and Port-Based Security