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Chapter 8
Configuring IEEE 802.1x Port-Based Authentication
Configuring the Host Mode
Beginning in privileged EXEC mode, follow these steps to allow multiple hosts (clients) on an IEEE
802.1x-authorized port that has the dot1x port-control interface configuration command set to auto.
This procedure is optional.
Command
Step 1
configure terminal
Step 2
interface interface-id
Step 3
dot1x host-mode multi-host
Step 4
end
Step 5
show dot1x interface interface-id
Step 6
copy running-config startup-config
To disable multiple hosts on the port, use the no dot1x host-mode multi-host interface configuration
command.
This example shows how to enable IEEE 802.1x and to allow multiple hosts:
Switch(config)# interface gigabitethernet0/1
Switch(config-if)# dot1x port-control auto
Switch(config-if)# dot1x host-mode multi-host
Resetting the IEEE 802.1x Configuration to the Default Values
Beginning in privileged EXEC mode, follow these steps to reset the IEEE 802.1x configuration to the
default values. This procedure is optional.
Command
Step 1
configure terminal
Step 2
interface interface-id
Step 3
dot1x default
Step 4
end
Step 5
show dot1x interface interface-id
Step 6
copy running-config startup-config
78-17058-01
Purpose
Enter global configuration mode.
Specify the port to which multiple hosts are indirectly attached, and enter
interface configuration mode.
Allow multiple hosts (clients) on an IEEE 802.1x-authorized port.
Make sure that the dot1x port-control interface configuration command
set is set to auto for the specified interface.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
Purpose
Enter global configuration mode.
Enter interface configuration mode, and specify the port to be configured.
Reset the configurable IEEE 802.1x parameters to the default values.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
Cisco ME 3400 Ethernet Access Switch Software Configuration Guide
Configuring IEEE 802.1x Authentication
8-17
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