Cisco NM-8B-U User Guide - Page 175
dot1x multiple-hosts
UPC - 074632001001
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16- and 36-Port Ethernet Switch Module for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series dot1x multiple-hosts dot1x multiple-hosts To allow multiple hosts (clients) on an 802.1x-authorized port that has the dot1x port-control interface configuration command set to auto, use the dot1x multiple-hosts command in interface configuration mode. To return to the default setting, use the no form of this command. dot1x multiple-hosts no dot1x multiple-hosts Syntax Description This command has no arguments or keywords. Defaults Multiple hosts are disabled. Command Modes Interface configuration Command History Release 12.1(6)EA2 12.2(15)ZJ Modification This command was introduced. This command was implemented on the following platforms: Cisco 2600 series, Cisco 3600 series, and Cisco 3700 series routers. Usage Guidelines This command enables you to attach multiple clients to a single 802.1x-enabled port. In this mode, only one of the attached hosts must be successfully authorized for all hosts to be granted network access. If the port becomes unauthorized (reauthentication fails, or an Extensible Authentication Protocol over LAN [EAPOL]-logoff message is received), all attached clients are denied access to the network. Examples The following example shows how to enable 802.1x on Fast Ethernet interface 0/1 and to allow multiple hosts: Switch(config)# interface fastethernet0/1 Switch(config-if)# dot1x port-control auto Switch(config-if)# dot1x multiple-hosts You can verify your settings by entering the show dot1x [interface interface-id] privileged EXEC command. Related Commands Command dot1x default show dot1x Description Enables manual control of the authorization state of the port. Displays 802.1x statistics, administrative status, and operational status for the switch or for the specified interface. Cisco IOS Release 12.2(2)XT, 12.2(8)T, and 12.2(15)ZJ 175