4
Command Line Interface
• Selecting a mask of FF-FF-FF-00-00-00 identifies all devices with the same
OUI (the first three octets). Other masks restrict the MAC address range.
Selecting FF-FF-FF-FF-FF-FF specifies a single MAC address.
Example
The following example adds a MAC OUI to the OUI Telephony list.
Console(config)#voice vlan mac-address 00-12-34-56-78-90 mask
ff-ff-ff-00-00-00 description A new phone
Console(config)#
switchport voice vlan
This command specifies the Voice VLAN mode for ports. Use the no form to disable
the Voice VLAN feature on the port.
Syntax
switchport voice vlan {manual | auto}
no switchport voice vlan
• manual - The Voice VLAN feature is enabled on the port, but the port must
be manually added to the Voice VLAN.
• auto - The port will be added as a tagged member to the Voice VLAN when
VoIP traffic is detected on the port.
Default Setting
Disabled
Command Mode
Interface Configuration
Command Usage
When auto is selected, you must select the method to use for detecting VoIP
traffic, either OUI or 802.1ab (LLDP)
command (page 4-283)
address ranges in the Telephony OUI list using the voice vlan mac-address
command (page 4-281).
Example
The following example sets port 1 to Voice VLAN auto mode.
Console(config)#interface ethernet 1/1
Console(config-if)#switchport voice vlan auto
Console(config-if)#
4-282
using the switchport voice vlan rule
. When OUI is selected, be sure to configure the MAC
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