Configuring 802.1X With Voice Vlan - Cisco Catalyst 4500 Series Software Configuration Manual

Chapter 49 Configuring 802.1X Port-Based Authentication
Switch#

Configuring 802.1X with Voice VLAN

Note You must configure 802.1X and voice VLAN simultaneously.
Note You cannot configure an authentication-failed VLAN and a voice VLAN on the same port. When you
try to configure these two features on the same port, a syslog message appears.
To enable 802.1X with voice VLAN, perform this task:
Command
Step 1
Switch# configure terminal
Step 2
Switch(config)# interface
interface-id
Step 3
Switch(config-if)# switchport
access vlan vlan-id
Step 4
Switch(config-if)# switchport mode
access
Step 5
Switch(config-if)# switchport voice
vlan vlan-id
Step 6
Switch(config-if)# dot1x pae
authenticator
Step 7 Cisco IOS Release 12.2(50)SG and later
and later
Switch(config-if)# authentication
port-control auto
Cisco IOS Release 12.2(46)SG or earlier
releases
Switch(config-if)# dot1x
port-control auto
Step 8
Switch(config-if)# end
Step 9
Switch(config)# end
Step 10
Switch# show dot1x interface
interface-id details
Step 11
Switch# copy running-config
startup-config
This example shows how to enable 802.1X with voice VLAN feature on Fast Ethernet interface 5/9:
Cisco IOS Release 12.2(50)SG and later
Switch# configure terminal
Switch(config)# interface fastethernet5/9
Switch(config-if)# switchport access vlan 2
Switch(config-if)# switchport mode access
Switch(config-if)# switchport voice vlan 10
Switch(config-if)# dot1x pae authenticator
Purpose
Enters global configuration mode.
Enters interface configuration mode.
Sets the VLAN for a switched interface in access mode.
Specifies a nontrunking, nontagged single VLAN Layer 2 interface.
Sets the voice VLAN for the interface.
Enables 802.1X authentication on the port with default parameters.
Refer to the
Enables 802.1X authentication on the interface.
Returns to configuration mode.
Returns to privileged EXEC mode.
(Optional) Verifies your entries.
(Optional) Saves your entries in the configuration file.
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Configuring 802.1X Port-Based Authentication
"Default 802.1X Configuration" section on page 49-27.
49-73