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AR100-S, AR110-S, AR120-S, AR150-S, AR160-S, AR200-S, AR1200-S, AR2200-S, and AR3200-S V200R009 CLI-based Configuration Guide - Ethernet Switching

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Configuring a Dot1q VLAN Tag Termination Sub-interface

Configuring a Dot1q VLAN Tag Termination Sub-interface

Context

A Dot1q VLAN tag termination sub-interface can terminate single-tagged user packets. Perform the following operations on a user-side interface of a PE.

Procedure

  1. Run system-view

    The system view is displayed.

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

    The Ethernet sub-interface view is displayed.

  3. Run dot1q termination vid low-pe-vid [ to high-pe-vid ]

    The sub-interface is configured to terminate single-tagged packets.

    NOTE:
    • high-pe-vid is supported by only the AR3200-S.

    • You can specify high-pe-vid only after the termination-vid batch enable command is used to enable a sub-interface to batch terminate VLAN tags.

    • The value of high-pe-vid must be greater than or equal to the value of low-pe-vid.

    • When this command is executed on an Eth-Trunk sub-interface, you cannot specify high-pe-vid.

    • After a VLAN tag termination sub-interface is configured, ensure that ARP broadcast is enabled on the sub-interface. For details, see the arp broadcast enable command.

  4. (Optional) Run ce-vlan ignore

    The Dot1q termination sub-interface is enabled to ignore the inner tag in QinQ packets and terminate the outer tag. The Dot1q termination sub-interface then can process both Dot1q and QinQ packets.

    When VLANs are assigned on a VPN, run this command to implement transparent transmission of user packets over the ISP network.

    NOTE:

    You can run this command on a sub-interface only after the L2VPN function is enabled on the sub-interface.

    For details on how to configure VLL, see "VLL Configuration" and "VPLS Configuration" in the AR Configuration Guide - VPN.

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Updated: 2019-05-17

Document ID: EDOC1000174108

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