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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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Configuring a QinQ Termination Sub-interface and Connecting It to an L2VPN

Configuring a QinQ Termination Sub-interface and Connecting It to an L2VPN

When users are connected through an L2VPN and the packets that CEs send to PEs carry double VLAN tags, configure a QinQ termination sub-interface and connect it to the L2VPN to implement interworking between those users.

Pre-configuration Tasks

Before configuring a QinQ termination sub-interface and connecting it to an L2VPN, complete the following tasks:
  • Connect devices correctly.
  • Configure VLANs to which CEs belong and basic Layer 2 forwarding so that packets sent from CEs to PEs carry double VLAN tags.
  • Ensure that the device is not a VCMP client.

Configuration Process

Updated: 2019-08-21

Document ID: EDOC1000142081

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