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VLAN Termination Configuration
This chapter describes how to configure VLAN termination. The VLAN termination function includes two sub-functions: Dot1q termination and QinQ termination. Dot1q termination allows for inter-VLAN communication. Dot1q termination and QinQ termination can be used together to implement LAN and WAN interconnection.
- Introduction to VLAN Termination
- Application Scenario
- Configuration Task Summary
- Licensing Requirements and Limitations for VLAN Termination
- Default Configuration
- Using a Dot1q Termination Sub-interface to Implement Inter-VLAN Communication
When a Layer 3 switch connects to users located in different VLANs through a Layer 3 Ethernet interface, configure Dot1q termination sub-interfaces on this Layer 3 Ethernet interface to implement inter-VLAN communication. - Configuring a Dot1q 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 single VLAN tags, configure a Dot1q termination sub-interface and connect it to the L2VPN to implement interworking between those users. - Configuring a Dot1q Termination Sub-interface and Connecting It to an L3VPN
When users are connected through an L3VPN and each packet that CEs send to PEs carries one VLAN tag, configure a Dot1q termination sub-interface and connect it to the L3VPN. - 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. - Configuring a QinQ Termination Sub-interface and Connecting It to an L3VPN
When users are connected through an L3VPN and each packet that CEs send to PEs carries double VLAN tags, configure a QinQ termination sub-interface and connect it to the L3VPN. - Configuration Examples