2-216
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
OL-27596 -01
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
dot1x guest-vlan
dot1x guest-vlan
To enable a guest VLAN on a per-port basis, use the dot1x guest-vlan command. To return to the default
setting, use the no form of this command.
dot1x guest-vlan vlan-id
no dot1x guest-vlan vlan-id
Syntax Description
Defaults This command has no default settings.; the guest VLAN feature is disabled.
Command Modes Interface configuration mode
Command History
Usage Guidelines Guest VLANs can be configured only on ports that are statically configured as access ports or private
VLAN host ports. Statically configured access ports can be configured with regular VLANs as guest
VLANs; statically configured private VLAN host ports can be configured with secondary private
VLANs as guest VLANs.
Examples This example shows how to enable a guest VLAN on Fast Ethernet interface 4/3:
Switch# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# interface fastethernet4/3
Switch(config-if)# dot1x port-control auto
Switch(config-if)# dot1x guest-vlan 26
Switch(config-if)# end
Switch(config)# end
Switch#
Related Commands
vlan-id Specifies a VLAN in the range of 1 to 4094.
Release Modification
12.1(19)EW Support for this command was introduced on the Catalyst 4500 series switch.
12.2(25)EWA Support for secondary VLAN as the configured guest VLAN ID was added.
Command Description
dot1x max-reauth-req Sets the maximum number of times that the switch will
retransmit an EAP-Request/Identity frame to the client
before restarting the authentication process.
show dot1x Displays dot1x information.