Dell N3200-ON EMC Networking N-Series Switches CLI Reference Guide version 6.6 - Page 1065

Command Mode Global Configuration mode User Guidelines Local processing of IEEE 802.1x frames must be disabled (no dot1x systemauth-control) for this capability to be enabled. This capability is useful in situations where the authenticator device is placed one or more hops away from the authenticating host. The intervening switch will flood all received IEEE 802.1x frames in the VLAN. Flooding of IEEE 802.1x frames makes end stations vulnerable to a denial of service attack should another end station record and play back certain flooded EAPOL frames at a high rate. clear authentication sessions Use this command to clear all or some authentication sessions. Authenticated clients must authenticate to the switch to gain access to network resources. Syntax clear authentication sessions [interface interface-id] • interface-id-An optional physical (Ethernet) interface identifier. Default Configuration This command has no default configuration. Command Mode Privileged Exec mode User Guidelines When used with no parameters, this command clears all 802.1X sessions on the switch by removing the authentication information, reseting the 802.1X state machine and denying network access to the authenticated device. Use with caution. Security Commands 1065