Layer 2 Switching Commands 834
Example
This example configures an interface to use VLAN 100 as the voice VLAN
and sends LLDP configuration in the Network Policy TLV to the phone to
assign VLAN 100 to 802.1p priority 5. The data priority is trusted by default.
console(config)#vlan 100
console(config-vlan100)#interface gi1/0/1
console(config-if-Gi1/0/1)#voice vlan 100
console(config-if-Gi1/0/1)#voice vlan dot1p 5
In this example, the IP phone will use its own configuration (no policy is sent
via LLDP).
console(config-if-Gi1/0/1)#voice vlan none
console(config-if-Gi1/0/1)#voice vlan untagged
Command History
Description updated in 6.3.0.5 release.
voice vlan data priority
This command is to either trust or not trust (untrust) the data traffic arriving
on the voice VLAN port.
Syntax
voice vlan data priority {trust | untrust}
•
trust —
Trust the IEEE 802.1p user priority contained in packets arriving
on the voice VLAN port.
•
untrust —
Do not trust the IEEE 802.1p user priority contained in packets
arriving on the voice VLAN port. This overrides the received value with the
configured 801.2p value. If a distinguished service for voice traffic is
required, an ACL or diffserv policy must be configured.
Command Mode
Interface Configuration
Default Value
trust
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