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AR500, AR510, and AR530 V200R007 CLI-based Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring transparent bridge, MAC table, link aggregation, VLANs, STP/RSTP/MSTP, and so on.The document provides the configuration procedures and configuration examples to illustrate the service configuration methods and application scenario.
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Configuring 802.1p Priority-based VLAN Mapping

Configuring 802.1p Priority-based VLAN Mapping

When packets are sent from one LAN to another, if different networks use different priority policies, their 802.1p priorities need to be changed. You can configure 802.1p priority-based VLAN mapping on the LAN edge device to map 802.1p priorities in received packets. Then the LAN edge device forwards packets based on mapped 802.1p priorities.


  1. Run:


    The system view is displayed.

  2. Run:

    bridge bridge-id

    A bridge group is created and the bridge group view is displayed.

  3. Run:


    Exit from the bridge group view.

  4. Run:

    interface { ethernet | gigabitethernet } interface-number.subinterface-number

    The Ethernet sub-interface view is displayed.


    Sub-interfaces can only be created on Layer 3 Ethernet interfaces. If an interface works in Layer 2 mode and supports switching between Layer 2 and Layer 3 modes, run the undo portswitch command to switch the interface in Layer 3 mode before creating a sub-interface on the interface.

  5. Run:

    bridge bridge-id

    The Ethernet sub-interface is added to the bridge group.

  6. Run:

    bridge vlan-transmit enable

    The Ethernet sub-interface is enabled to transparently transmit VLAN IDs.

  7. Run:

    vlan allow-pass { vid vlan-id1 [ to vlan-id2 ] | default }

    The VLANs allowed by the Ethernet sub-interface are configured.


    VLANs allowed by all sub-interfaces of a main interface cannot overlap.

    The vlan allow-pass default command can be executed only on a sub-interface among all sub-interfaces of each main interface. Packets are forwarded through the default sub-interface when the packets do not match other QinQ or VLAN mapping entries on a sub-interface.

  8. Run:

    vlan mapping 8021p 8021p-value1 map-8021p 8021p-value2

    802.1p priority-based VLAN mapping is configured.

Updated: 2019-05-25

Document ID: EDOC1000097279

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