Administrator Guide

Layer 2 Switching Commands 850
no voice vlan
• auth { enable | disable} —Enables/disables authentication on the voice
VLAN port.
•
data priority {trust | untrust} —Respect (ignore) the priority of received
voice VLAN traffic (trusted mode). The interface may be configured to
trust either DSCP or IEEE 802.1p priority tagged packets.
•
dot1p —Configure the Voice VLAN 802.1p priority for voice traffic. Data
traffic will use the default or native VLAN on the port. The valid priority
range is 0-7.
•
dscp —Configure the DSCP value for voice traffic on the voice VLAN port.
(Range: 0–64). Data traffic will use the default or native VLAN on the
port.
•
none —Allow the IP phone to use its own configuration to send untagged
voice traffic.
•
untagged —Configure the phone to send untagged voice traffic.
•
vlan-id —The voice VLAN ID.
Default Configuration
The default DSCP value is 46.
Command Mode
Interface Configuration (Ethernet) mode.
User Guidelines
Voice VLAN must be configured on General mode ports. It is not supported
on access mode or trunk mode ports.
Example
This example configures an interface to use VLAN 100 as the voice VLAN
and to assign voice traffic to 802.1p priority 5. The IP phone will use it's own
configuration (no configuration is sent via LLDP or CDP).
console(config-if-Gi1/0/1)#voice vlan 100
console(config-if-Gi1/0/1)#voice vlan dot1p 5
console(config-if-Gi1/0/1)#voice vlan none
console(config-if-Gi1/0/1)#voice vlan untagged
2CSNXXX_SWUM204.book Page 850 Monday, January 25, 2016 1:25 PM