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Configuring VLANs 697
Configuring Voice VLANs
Beginning in Privileged EXEC mode, use the following commands to enable
the Voice VLAN feature on the switch and on an interface.
Command Purpose
configure Enter global configuration mode.
voice vlan Enable the voice VLAN capability on the switch.
interface
interface
Enter interface configuration mode for the specified
interface.
interface
— Specific interface, such as gi1/0/8. You can also
specify a range of interfaces with the interface range
command, for example, interface range gi1/0/8-12 enters
Interface Configuration mode for ports 8–12.
voice vlan {
vlanid
|
dot1p
priority
| none |
untagged | data
priority
{trust | untrust} | auth
{enable | disable} |
dscp
value
}
Enable the voice vlan capability on the interface.
•
vlanid
—
The voice VLAN ID.
•
priority
—The Dot1p priority for the voice VLAN on the
port.
•
trust—
Trust the dot1p priority or DSCP values
contained in packets arriving on the voice vlan port.
•
untrust—
Do not trust the dot1p priority or DSCP values
contained in packets arriving on the voice vlan port.
•
auth {enable
|
disable
} — Use
enable
to allow voice
traffic on unauthorized voice vlan port. Use
disable
to
prevent voice traffic on an Unauthorized voice vlan port
•
dscp
value
—
The DSCP value (Range: 0–64).
CTRL + Z Exit to Privileged EXEC mode.
show voice vlan
[interface {
interface
|all}]
Display voice VLAN configuration information for the
switch, for the specified interface, or for all interfaces.