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S12700 V200R012C00 Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring MAC address table, link aggregation, VLANs, VLAN aggregation, MUX VLAN, VLAN termination, Voice VLAN, VLAN mapping, QinQ, GVRP, VCMP, STP/RSTP/MSTP, VBST, SEP, RRPP, ERPS, LBDT, and Layer 2 protocol transparent transmission.
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Configuring 1-to-1 QinQ Mapping

Configuring 1-to-1 QinQ Mapping


1-to-1 QinQ mapping is configured on a sub-interface to map a VLAN tag in a received single-tagged packet to a specified VLAN tag.


  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

  3. Run port link-type { hybrid | trunk }

    The port link-type is set.

  4. Run quit

    The system view is displayed.

  5. Run interface interface-type interface-number.subinterface-number

    The view of the CE-side Ethernet or Eth-Trunk sub-interface of the PE is displayed.

  6. Run qinq mapping vid vlan-id1 [ to vlan-id2 ] map-vlan vid vlan-id3

    The sub-interface is configured to map a VLAN tag of received packets to a specified VLAN tag.

    The original VLAN ID of single-tagged packets specified in the command must be different from the outer VLAN IDs specified on all the other sub-interfaces.

    • QinQ mapping cannot be used with stacking, QinQ termination, or Dot1q termination commands on the same sub-interface.

    • If the PW-side interface is a Layer 3 interface switched by the undo portswitch command, the AC-side interface cannot be a Layer 3 interface or subinterface belonging to a Layer 3 interface; otherwise, traffic forwarding is abnormal.

Updated: 2019-01-18

Document ID: EDOC1100038103

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