CLI Reference Guide-R04

Chapter 9 | General Security Measures
Network Access (MAC Address Authentication)
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network-access
guest-vlan
Use this command to assign all traffic on a port to a guest VLAN when 802.1x
authentication or MAC authentication is rejected. Use the no form of this command
to disable guest VLAN assignment.
Syntax
network-access guest-vlan vlan-id
no network-access guest-vlan
vlan-id - VLAN ID (Range: 1-4094)
Default Setting
Disabled
Command Mode
Interface Configuration
Command Usage
◆ The VLAN to be used as the guest VLAN must be defined and set as active (See
the vlan database command).
◆ When used with 802.1X authentication, the intrusion-action must be set for
“guest-vlan” to be effective (see the dot1x intrusion-action command).
◆ A port can only be assigned to the guest VLAN in case of failed authentication,
if switchport mode is set to Hybrid.
Example
Console(config)#interface ethernet 1/1
Console(config-if)#network-access guest-vlan 25
Console(config-if)#
network-access
link-detection
Use this command to enable link detection for the selected port. Use the no form of
this command to restore the default.
Syntax
[no] network-access link-detection
Default Setting
Disabled
Command Mode
Interface Configuration