Planet XGS3-24042 User Manual Page 143

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15-20
15.6 Voice VLAN Configuration
15.6.1 Introduction to Voice VLAN
Voice VLAN is specially configured for the user voice data traffic. By setting a Voice VLAN and adding the
ports of the connected voice equipments to the Voice VLAN, the user will be able to configure QoS (Quality of
service) service for voice data, and improve the voice data traffic transmission priority to ensure the calling
quality.
The switch can judge if the data traffic is the voice data traffic from specified equipment according to the
source MAC address field of the data packet entering the port. The packet with the source MAC address
complying with the system defined voice equipment OUI (Organizationally Unique Identifier) will be
considered the voice data traffic and transmitted to the Voice VLAN.
The configuration is based on MAC address, acquiring a mechanism in which every voice equipment
transmitting information through the network has got its unique MAC address. VLAN will trace the address
belongs to specified MAC. By This means, VLAN allows the voice equipment always belong to Voice VLAN
when relocated physically. The greatest advantage of the VLAN is the equipment can be automatically placed
into Voice VLAN according to its voice traffic which will be transmitted at specified priority. Meanwhile, when
voice equipment is physically relocated, it still belongs to the Voice VLAN without any further configuration
modification, which is because it is based on voice equipment other than switch port.
Notice: Voice VLAN needs to associate with Hybrid attribute of the ports to work, so the ports that may be
added to Voice VLAN must be configured as Hybrid port.
15.6.2 Voice VLAN Configuration
Voice VLAN Configuration Task Sequence:
1. Set the VLAN to Voice VLAN
2. Add a voice equipment to Voice VLAN
3. Enable the Voice VLAN on the port
1. Configure the VLAN to Voice VLAN
Command
Explanation
Global Mode
voice-vlan vlan <vlan-id>
no voice-vlan
Set/cancel the VLAN as a Voice VLAN
2. Add a Voice equipment to a Voice VLAN
Command
Explanation
Global Mode
voice-vlan mac <mac-address> mask
<mac-mask> priority <priority-id> [name
Specify certain voice equipment
join/leave the Voice VLAN
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