Figure 4-1 Application scenario of the voice VLAN
Router
HG
Internet
DHCP Server
HSI VoIP IPTV
After the voice VLAN is configured on the Router, the Router identifies voice data flows based
on the source MAC addresses of incoming data flows. If the source MAC address of a flow
matches the OUI configured on the Router, the flow is identified as a voice data flow. After the
Router receives a voice data flow, it changes the priority of the flow and transmits the flow in
the voice VLAN to ensure the call quality.
Pre-configuration Tasks
Before configuring a voice VLAN, complete the following task:
l Creating a VLAN
Data Preparation
To configure a voice VLAN, you need the following data.
No.
Data
1 ID of the voice VLAN
2 Type and number of the interface on which the voice VLAN is enabled
3 Mode used to add the interface to the voice VLAN
4 OUI and mask of the voice VLAN
5 (Optional) Voice VLAN aging time
6 (Optional) Working mode of the voice VLAN
Huawei AR3200 Series Enterprise Routers
Configuration Guide - LAN 4 Voice VLAN Configuration
Issue 02 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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