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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 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:
  • Ensure that devices are connected 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.


Updated: 2019-01-18

Document ID: EDOC1100038103

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