C
HAPTER
35
| VLAN Commands
Configuring Voice VLANs
– 1150 –
â—† When MAC-based, IP subnet-based, and protocol-based VLANs are
supported concurrently, priority is applied in this sequence, and then
port-based VLANs last.
EXAMPLE
The following example assigns traffic from source MAC address 00-00-00-
11-22-33 to VLAN 10.
Console(config)#mac-vlan mac-address 00-00-00-11-22-33 vlan 10
Console(config)#
show mac-vlan This command displays MAC address-to-VLAN assignments.
COMMAND MODE
Privileged Exec
COMMAND USAGE
Use this command to display MAC address-to-VLAN mappings.
EXAMPLE
The following example displays all configured MAC address-based VLANs.
Console#show mac-vlan
MAC Address VLAN ID Priority
----------------- -------- --------
00-00-00-11-22-33 10 0
Console#
CONFIGURING VOICE VLANS
The switch allows you to specify a Voice VLAN for the network and set a
CoS priority for the VoIP traffic. VoIP traffic can be detected on switch ports
by using the source MAC address of packets, or by using LLDP (IEEE
802.1AB) to discover connected VoIP devices. When VoIP traffic is detected
on a configured port, the switch automatically assigns the port to the Voice
VLAN. Alternatively, switch ports can be manually configured.
Table 142: Voice VLAN Commands
Command Function Mode
voice vlan Defines the Voice VLAN ID GC
voice vlan aging Configures the aging time for Voice VLAN ports GC
voice vlan mac-address Configures VoIP device MAC addresses GC
switchport voice vlan Sets the Voice VLAN port mode IC
switchport voice vlan
priority
Sets the VoIP traffic priority for ports IC
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