VLAN Commands
4-279
4
show protocol-vlan protocol-group-vid
This command shows the mapping from protocol groups to VLANs.
Syntax
show protocol-vlan protocol-group-vid
Default Setting
The mapping for all protocol groups is displayed.
Command Mode
Privileged Exec
Example
This shows that traffic matching the specifications for protocol group 2 will be
mapped to VLAN 2:
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.
Console#show protocol-vlan protocol-group-vid
ProtocolGroup ID VLAN ID
------------------ -----------
2 VLAN2
Console#
Table 4-78 Voice VLAN Commands
Command
Function
Mode
Page
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 rule
Sets the automatic VoIP traffic detection method for ports IC
switchport voice vlan security Enables Voice VLAN security on ports
IC
switchport voice vlan priority
Sets the VoIP traffic priority for ports
IC
show voice vlan
Displays Voice VLAN settings
PE
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