Administrator Guide

Layer 2 Switching Commands 850

Configure port 10 to be in access mode. The data VLAN ID is 1 and uses

untagged packets.

console(config)#interface gi1/0/10

console(config-if-Gi1/0/10)#switchport mode access

Enable port-based 802.1X authentication on the port for the data traffic.

console(config-if-Gi1/0/10)#dot1x port-control auto

Enable the voice VLAN feature on the interface. Voice packets are tagged

using VLAN 25.

console(config-if-Gi1/0/10)#switchport voice vlan 25

Allow access to the voice VLAN regardless of the 802.1X port

authentication state.

console(config-if-Gi1/0/10)#switchport voice vlan override-

authentication

console(config-if-Gi1/0/10)#show voice vlan interface gi1/0/10

Interface...................................... Gi1/0/10

Voice VLAN Interface Mode...................... Enabled

Voice VLAN ID.................................. 25

Voice VLAN COS Override........................ False

Voice VLAN DSCP Value.......................... 46

Voice VLAN Port Status......................... Disabled

Voice VLAN Authentication...................... Disabled

switchport voice vlan priority

This command is to either trust or not trust (untrust) the data traffic arriving

on the voice VLAN port.

Syntax

switchport voice vlan priority {trust | untrust}

•

trust —

Trust the IEEE 802.1p user priority contained in packets arriving

on the voice VLAN port.