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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 L2VPN

Configuring L2VPN


After a Dot1q termination sub-interface is configured, you need to configure the virtual private network (VPN) service on the sub-interface so that users at both ends of the L2VPN can communicate with each other.

L2VPN includes Virtual leased line (VLL), Pseudo-Wire Emulation Edge to Edge (PWE3), and Virtual Private LAN Service (VPLS).
  • VLL technology emulates leased lines on an IP network to provide inexpensive, asymmetrical digital data network (DDN) service. As a point-to-point (P2P) L2VPN technology, VLL can support almost all link layer protocols.
  • PWE3 is an implementation mode of VLL and an extension of the Martini protocol. PWE3 reduces signaling costs and defines multi-segment PWs (MS-PWs), making networking modes more flexible.
  • VPLS technology implements multipoint-to-multipoint VPN networking. Using VPLS technology, an ISP can provide Ethernet-based multipoint-to-multipoint services for users through an MPLS backbone network.

For details about L2VPN, see VLL Configuration, PWE3 Configuration, and VPLS Configuration in the S12700 V200R012C00 Configuration Guide - VPN.

A Dot1q termination sub-interface can be bound to a VLL that provides homogeneous or heterogeneous transport in the following modes:
  • Local Kompella connection
  • Remote Kompella connection
  • Local Martini connection
  • Remote Martini connection
A Dot1q termination sub-interface supports the following VPLS connections:
  • Martini VPLS
  • Kompella VPLS
Updated: 2019-01-18

Document ID: EDOC1100038103

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