Cisco Catalyst 3650 Series, Command Reference Manual

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switchport voice vlan
To configure voice VLAN on the port, use the switchport voice vlan command in interface configuration
mode. To return to the default setting, use the no form of this command.
switchport voice vlan { vlan-id | dot1p | none | untagged | name vlan_name }
no switchport voice vlan
Syntax Description
The VLAN to be used for voice traffic. The range is 1 to 4094. By default, the IP
phone forwards the voice traffic with an IEEE 802.1Q priority of 5. vlan-id
Configures the telephone to use IEEE 802.1p priority tagging and uses VLAN 0
(the native VLAN). By default, the Cisco IP phone forwards the voice traffic with
an IEEE 802.1p priority of 5. dot1p
Does not instruct the IP telephone about the voice VLAN. The telephone uses the
configuration from the telephone key pad. none
Configures the telephone to send untagged voice traffic. This is the default for the
telephone. untagged
(Optional) Specifies the VLAN name to be used for voice traffic. You can enter up
to 128 characters. name vlan_name
Command Default
The default is not to automatically configure the telephone ( none ).
The telephone default is not to tag frames.
Command Modes
Interface configuration
Command History
Modification Release
This command was introduced. Cisco IOS XE 3.3SECisco IOS XE 3.3SE
Option to specify a VLAN name for voice VLAN. The
'
name ' keyword was added.
Cisco IOS XE Denali 16.2.1
Usage Guidelines
You should configure voice VLAN on Layer 2 access ports.
You must enable Cisco Discovery Protocol (CDP) on the switch port connected to the Cisco IP phone for the
device to send configuration information to the phone. CDP is enabled by default globally and on the interface.
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
365
switchport voice vlan