Dell Force10 E1200i FTOS Version 8.4.1.5 Configuration Guide for ExaScale - Page 123
Single-host to Multi-host, Multi-host to Single-host
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When Multi-host mode authentication is configured, the first client to respond to an identity request is authenticated, and subsequent responses are still ignored, but since the authenticator expects the possibility of multiple responses, no system log is generated. After the first supplicant is authenticated, all end-users attached to the authorized port are allowed to access the network. If the authorized port becomes unauthorized due to re-authentication failure or the supplicant sends an EAPOL logoff frame, all attached end-users are denied access to the network. When the host mode is changed on a port that is already authenticated: • Single-host to Multi-host: all devices attached to the port that were previously blocked may access the network; the supplicant does not re-authenticate. • Multi-host to Single-host: the port restarts the authentication process, and the first end-user to respond is authenticated and allowed access. Task Command Syntax Command Mode Configure Multi-host Authentication mode on a port. Enter no dot1x host-mode to return to Single-host mode. dot1x host-mode multi-host Default: Single-host mode FTOS(conf-if-gi-2/1)#dot1x port-control force-authorized FTOS(conf-if-gi-2/1)#do show dot1x interface gigabitethernet 2/1 INTERFACE 802.1x information on Gi 2/1: Dot1x Status: Enable Port Control: FORCE_AUTHORIZED Port Auth Status: UNAUTHORIZED Re-Authentication: Disable Untagged VLAN id: None Guest VLAN: Enable Guest VLAN id: 200 Auth-Fail VLAN: Enable Auth-Fail VLAN id: 100 Auth-Fail Max-Attempts: 5 Tx Period: 90 seconds Quiet Period: 120 seconds ReAuth Max: 10 Supplicant Timeout: 15 seconds Server Timeout: 15 seconds Re-Auth Interval: 7200 seconds Max-EAP-Req: 10 Host Mode: MULTI_HOST Auth PAE State: Backend State: Initialize Initialize 802.1X | 123
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