Cisco Catalyst 3750 Command Reference Manual page 104

dot1x port-control
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To globally disable 802.1x on the switch, use the no dot1x system-auth-control global configuration
command. To disable 802.1x on a specific port, use the no dot1x port-control interface configuration
command.
Examples
This example shows how to enable 802.1x on a port:
Switch(config)# interface gigabitethernet2/0/1
Switch(config-if)# dot1x port-control auto
You can verify your settings by entering the show dot1x [interface interface-id] privileged EXEC
command.
Related Commands Command
show dot1x
Catalyst 3750 Switch Command Reference
2-78
Dynamic-access ports—If you try to enable 802.1x on a dynamic-access (VLAN Query Protocol
[VQP]) port, an error message appears, and 802.1x is not enabled. If you try to change an
802.1x-enabled port to dynamic VLAN assignment, an error message appears, and the VLAN
configuration is not changed.
EtherChannel port—Do not configure a port that is an active or a not-yet-active member of an
–
EtherChannel as an 802.1x port. If you try to enable 802.1x on an EtherChannel port, an error
message appears, and 802.1x is not enabled.
In software releases earlier than Cisco IOS Release 12.2(18)SE, if 802.1x is enabled on a
Note
not-yet active port of an EtherChannel, the port does not join the EtherChannel.
Switched Port Analyzer (SPAN) and Remote SPAN (RSPAN) destination ports—You can enable
802.1x on a port that is a SPAN or RSPAN destination port. However, 802.1x is disabled until the
port is removed as a SPAN or RSPAN destination. You can enable 802.1x on a SPAN or RSPAN
source port.
[interface interface-id]
Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
Description
Displays 802.1x status for the specified port.
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