Cisco Catalyst 4500 Series - Configuring 802.1 X with Voice VLAN

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Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
OL_28731-01
Chapter 46 Configuring 802.1X Port-Based Authentication
Configuring 802.1X Port-Based Authentication
Cisco IOS Release 12.2(46)SG or earlier
Switch# configure terminal
Switch(config)# interface gigabitEthernet3/1
Switch(config-if)# switchport mode access
Switch(config-if)# dot1x port-control auto
Switch(config-if)# dot1x auth-fail vlan 40
Switch(config-if)# dot1x auth-fail max-attempts 3
Switch# show dot1x all
Sysauthcontrol Enabled
Dot1x Protocol Version 2
Critical Recovery Delay 100
Critical EAPOL Disabled
Dot1x Info for GigabitEthernet3/1
-----------------------------------
PAE = AUTHENTICATOR
PortControl = AUTO
ControlDirection = Both
HostMode = SINGLE_HOST
ReAuthentication = Disabled
QuietPeriod = 60
ServerTimeout = 0
SuppTimeout = 30
ReAuthPeriod = 3600 (Locally configured)
ReAuthMax = 2
MaxReq = 2
TxPeriod = 5
RateLimitPeriod = 0
Auth-Fail-Vlan = 40
Auth-Fail-Max-attempts = 3
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 Purpose
Step 1
Switch# configure terminal
Enters global configuration mode.
Step 2
Switch(config)# interface
interface-id
Enters interface configuration mode.
Step 3
Switch(config-if)# switchport
access vlan vlan-id
Sets the VLAN for a switched interface in access mode.
Step 4
Switch(config-if)# switchport mode
access
Specifies a nontrunking, nontagged single VLAN Layer 2 interface.
Step 5
Switch(config-if)# switchport voice
vlan vlan-id
Sets the voice VLAN for the interface.