Configuring Nac Layer 2 Ieee 802.1X Validation - Cisco Catalyst 3750-X Software Configuration Manual

Configuring 802.1x Authentication
switch(config)# vlan group eng-dept vlan-list 30
switch(config)# show vlan group eng-dept
Group Name
-------------
eng-dept
This example shows how to remove a VLAN from a VLAN group:
switch# no vlan group eng-dept vlan-list 10
This example shows that when all the VLANs are cleared from a VLAN group, the VLAN group is
cleared:
switch(config)# no vlan group eng-dept vlan-list 30
Vlan 30 is successfully cleared from vlan group eng-dept.
switch(config)# show vlan group group-name eng-dept
This example shows how to clear all the VLAN groups:
switch(config)# no vlan group end-dept vlan-list all
switch(config)# show vlan-group all
For more information about these commands, see the Cisco IOS Security Command Reference.

Configuring NAC Layer 2 IEEE 802.1x Validation

You can configure NAC Layer 2 802.1x validation, which is also referred to as 802.1x authentication
with a RADIUS server.
Beginning in privileged EXEC mode, follow these steps to configure NAC Layer 2 802.1x validation.
The procedure is optional.
Command
Step 1
configure terminal
Step 2
interface interface-id
Step 3 dot1x guest-vlan vlan-id
Step 4 authentication periodic
or
dot1x reauthentication
Catalyst 3750-X and 3560-X Switch Software Configuration Guide
11-58
Chapter 11
Vlans Mapped
--------------
10,30
Purpose
Enter global configuration mode.
Specify the port to be configured, and enter interface configuration mode.
Specify an active VLAN as an 802.1x guest VLAN. The range is 1 to
4094.
You can configure any active VLAN except an internal VLAN (routed
port), an RSPAN VLAN, or a voice VLAN as an 802.1x guest VLAN.
Enable periodic re-authentication of the client, which is disabled by
default.
Configuring IEEE 802.1x Port-Based Authentication
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