Layer 2 Switching Commands 833
Syntax
voice vlan {vlan-id | dot1p priority | none | untagged | data priority {trust |
untrust} | auth { enable | disable} | dscp dscp}
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 the IEEE 802.1p priority tagged packets as assigned by the phone.
• dot1p—Configure the Voice VLAN 802.1p priority transmitted to the
phone via LLDP-MED. In this configuration, it is expected that data
traffic is received untagged on the native VLAN, and voice traffic is
received tagged with the assigned priority. Set the port to trust the received
data priority. 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 is expected to 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. The default is tagged voice VLAN traffic. The
default data priority is to trust the received CoS value. The default auth value
is Enabled. No voice VLAN ID is configured by default. The default 802.1p
value is none.
Command Mode
Interface Configuration (Ethernet) mode.
User Guidelines
Voice VLAN must be configured on general or access mode ports. It is not
supported on trunk mode ports.
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