Filter
Top Products
1-7
Voice VLAN
Mode
Packet Type Processing Method
Packet carrying the voice
VLAN tag
matches the OUI list, the packet is transmitted in
the voice VLAN. Otherwise, the packet is
dropped.
Packet carrying any other
VLAN tag
The packet is forwarded or dropped based on
whether the receiving port is assigned to the
carried VLAN. The processing method is
irrelevant to the voice VLAN mode (security or
normal).
Untagged packet
Packet carrying the voice
VLAN tag
The source MAC address of the packet is not
checked. All such packets can be transmitted in
the voice VLAN.
Normal
Packet carrying any other
VLAN tag
The packet is forwarded or dropped based on
whether the port is assigned to the carried VLAN.
The processing method is irrelevant to the voice
VLAN mode (security or normal).
Voice VLAN Configuration
Configuration Prerequisites
z Create the corresponding VLAN before configuring a voice VLAN.
z VLAN 1 (the default VLAN) cannot be configured as a voice VLAN.
In case a connected voice device sends VLAN-tagged packets, ensure that the voice VLAN created on
the switch is consistent with the VLAN corresponding to the VLAN tag carried in voice packets.
Otherwise, the switch will not be able to properly receive voice packets.
Configuring the Voice VLAN to Operate in Automatic Voice VLAN Assignment
Mode
Follow these steps to configure a voice VLAN to operate in automatic voice VLAN assignment mode:
To do… Use the command… Remarks
Enter system view
system-view
—
Set an OUI address that can be
identified by the voice VLAN
voice vlan mac-address oui
mask oui-mask [ description
text ]
Optional
By default, the switch
determines the voice traffic
according to the default OUI
address.
Enable the voice VLAN security
mode
voice vlan security enable
Optional
By default, the voice VLAN
security mode is enabled.