Voice VLAN priority modification method on an AR router

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Voice VLAN priority configuration methods for low-end AR devices and high-end AR devices are different.
- For high-end devices such as AR2200, AR3200, and AR3600, their chips support ACL. After an interface is added to the voice VLAN, packet priorities can be changed to 6 by default based on the ACL or defined by running the voice-vlan remark command.
- For low-end devices such as AR120, AR150, AR160, AR200, AR500, and AR1200, their chips do not support ACL. Therefore, packet priorities cannot be automatically changed but can be defined by running the vlan priority command.

Other related questions:
What is a voice VLAN of an AR router
A voice VLAN is divided for user voice data flow. By creating such a voice VLAN and adding the interface that connects to a voice device to the voice VLAN, voice data flow can be transmitted on the voice VLAN to ensure transmission quality.

Method of creating a VLAN through the web NMS on an AR router
The web NMS of the AR series routers does not support VLAN creation or adding of interfaces to a created VLAN. You can create a VLANIF interface, and add the interface to the VLAN. 1. Choose LAN Access > LAN >VLAN Interface to enter the VLAN interface configuration page. 2. In the VLAN Interface List area, click Create. 3. On the Create VLAN Inter page, select parameters or enter values according to requirements to configure a VLAN interface. On the NMS page, only interfaces of the access and trunk types can be configured. Hybrid type interfaces cannot be configured. Use command lines to create a VLAN. In the system view, run the vlan command or the vlan batch command.

How to configure the voice function on the AR router
1. Configure the AR router to work in PBX, SIP AG, or H248 AG mode. 2. Configure initial information, such as media and signaling IP address pools, country code and area code, enterprise, and DN set. 3. Configure the SIP server. 4. Configure users. 5. Configure a call prefix. 6. Configure a trunk group. 7. Configure a call route.

What is the voice VLAN
A voice VLAN refers to a VLAN used to transmit voice data flows. You can create a voice VLAN and add the interface connected to a voice device to the voice VLAN. Then voice data flows can be transmitted on the voice VLAN, ensuring the voice data transmission quality.

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