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S12700 V200R010C00 Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring link aggregation, VLANs, Voice VLAN, VLAN mapping, QinQ, GVRP, MAC table, STP/RSTP/MSTP, SEP, and so on.
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Enabling QinQ-based Layer 2 Transparent Transmission on an Interface

Enabling QinQ-based Layer 2 Transparent Transmission on an Interface


Perform the following operations on PEs based on the required Layer 2 protocol transparent transmission mode.


The l2protocol-tunnel vlan and l2protocol-tunnel commands cannot specify the same protocol type on the same interface. Otherwise, the configurations conflict.


  1. Run:


    The system view is displayed.

  2. Run:

    interface interface-type interface-number

    The user-side interface view is displayed.

  3. Run:

    port link-type hybrid

    The link type of the interface is set to hybrid.

  4. Run:

    port hybrid untagged vlan { { vlan-id1 [ to vlan-id2 ] } &<1-10> | all }

    The interface is added to specified VLANs in untagged mode.

  5. Run:

    port vlan-stacking vlan vlan-id1 [ to vlan-id2 ] stack-vlan vlan-id3

    The interface is configured to add an outer VLAN tag to Layer 2 protocol packets.

  6. Run:

    l2protocol-tunnel { all | protocol-type | user-defined-protocol protocol-name } vlan { low-id [ to high-id ] } &<1-10>

    QinQ-based Layer 2 protocol transparent transmission is enabled on the interface.

    • The outer VLAN tag (vlan-id3) specified in the port vlan-stacking command must be included in the VLAN range specified in the port hybrid untagged vlan command.

Updated: 2019-08-21

Document ID: EDOC1000142081

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