HP Cisco Catalyst Blade Switch 3020 Cisco Catalyst Blade Switch 3020 for HP Co - Page 98
dot1x host-mode
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dot1x host-mode Chapter 2 Cisco Catalyst Blade Switch 3020 for HP Cisco IOS Commands dot1x host-mode Use the dot1x host-mode interface configuration command to allow a single host (client) or multiple hosts on an IEEE 802.1x-authorized port that has the dot1x port-control interface configuration command set to auto. Use the no form of this command to return to the default setting. dot1x host-mode {multi-host | single-host} no dot1x host-mode [multi-host | single-host] Syntax Description multi-host single-host Enable multiple-hosts mode on the switch. Enable single-host mode on the switch. Defaults The default is single-host mode. Command Modes Interface configuration Command History Release 12.2(25)SEF Modification This command was introduced. Usage Guidelines Use this command to limit an IEEE 802.1x-enabled port to a single client or to attach multiple clients to an IEEE 802.1x-enabled port. In multiple-hosts mode, only one of the attached hosts needs to be successfully authorized for all hosts to be granted network access. If the port becomes unauthorized (re-authentication fails or an Extensible Authentication Protocol over LAN [EAPOL]-logoff message is received), all attached clients are denied access to the network. Before entering this command, make sure that the dot1x port-control interface configuration command is set to auto for the specified port. Examples This example shows how to enable IEEE 802.1x authentication globally, to enable IEEE 802.1x authentication on a port, and to enable multiple-hosts mode: Switch(config)# dot1x system-auth-control Switch(config)# interface gigabitethernet0/21 Switch(config-if)# dot1x port-control auto Switch(config-if)# dot1x host-mode multi-host You can verify your settings by entering the show dot1x [interface interface-id] privileged EXEC command. Related Commands Command show dot1x [interface interface-id] Description Displays IEEE 802.1x status for the specified port. 2-70 Cisco Catalyst Blade Switch 3020 for HP Command Reference OL-8916-01