Cisco WS-C4003 Software Guide - Page 395
Setting and Enabling Automatic Reauthentication of the Supplicant, set dot1x re-authperiod
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Chapter 27 Configuring Switch Access Using AAA Configuring Authentication This example shows how to enable 802.1x authentication on port 1 in module 4, initialize 802.1x authentication on the same port, and verify the configuration: Console> (enable) set port dot1x 4/1 port-control auto Port 4/1 dot1x port-control is set to auto. Trunking disabled for port 4/1 due to Dot1x feature. Spantree port fast start option enabled for port 4/1. Console> (enable) set port dot1x 4/1 initialize Port 4/1 initializing... Port 4/1 dot1x initialization complete. Console> show port dot1x 4/1 Port Auth-State BEnd-State Port-Control Port-Status 4/1 connecting finished auto unauthorized Port Multiple-Host Re-authentication 4/1 disabled disabled Setting and Enabling Automatic Reauthentication of the Supplicant You can specify how often 802.1x authentication reauthenticates the supplicant if you do so prior to enabling automatic 802.1x supplicant reauthentication. If you do not specify a time period prior to enabling supplicant reauthentication, 802.1x defaults to 3600 seconds (valid values are from 1 to 65535 seconds). Automatic 802.1x supplicant reauthentication can be enabled for supplicants connected to a specific port. To manually reauthenticate the supplicant connected to a specific port, see the "Manually Reauthenticating the Supplicant" section on page 27-42. To set how often 802.1x authentication reauthenticates the supplicant and enable automatic 802.1x reauthentication, perform this task in privileged mode: Step 1 Step 2 Step 3 Task Set the time constant for reauthenticating the supplicant. Enable reauthentication. Verify the 802.1x configuration. Command set dot1x re-authperiod seconds set port dot1x mod/port re-authentication enable show port dot1x mod/port This example shows how to set automatic reauthentication to 7200 seconds, enable 802.1x reauthentication, and verify the configuration: Console> (enable) set dot1x re-authperiod 7200 dot1x re-authperiod set to 7200 seconds Console> (enable) set port dot1x 4/1 re-authentication enable Port 4/1 re-authentication enabled. Console> (enable) show port dot1x 4/1 Port Auth-State BEnd-State Port-Control Port-Status 4/1 connecting finished auto unauthorized Port Multiple Host Re-authentication 4/1 disabled enabled 78-12647-02 Software Configuration Guide-Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4 27-41