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CLI-based Configuration Guide - Ethernet Switching

AR650, AR1600, and AR6100 V300R003

This document describes how to configure the components for LAN services, including link aggregation groups, VLANs, voice VLANs, MAC address tables, transparent bridging, as well as GVRP, STP/RSTP, and MSTP protocols.
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Configuring the TPID Value in an Outer VLAN Tag

Configuring the TPID Value in an Outer VLAN Tag

To enable interoperation between devices from different vendors, set the same TPID value in outer VLAN tags on the devices.


Devices from different vendors or in different network plans may use different TPID values in VLAN tags of VLAN packets. To adapt to an existing network plan, the device supports TPID value configuration. You can set the TPID value on the device to be the same as the TPID value in the network plan to ensure compatibility with the current network.

  • To implement interoperability with a non-Huawei device, ensure that the protocol type in the outer VLAN tag added by the router can be identified by the non-Huawei device.
  • The qinq protocol command identifies incoming packets, and adds or changes the TPID value of outgoing packets.
  • The protocol ID configured on an interface by the qinq protocol command must be different from other commonly used protocol IDs; otherwise, the interface cannot distinguish packets of these protocols. For example, protocol-id cannot be set to 0x0806, which is the ARP protocol ID.


  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

  3. Run qinq protocol protocol-id

    The protocol type in the outer VLAN tag is set.

    By default, the TPID value in the outer VLAN tag is 0x8100.

Updated: 2019-04-12

Document ID: EDOC1100041791

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