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Configuration Guide - VPN

CloudEngine 12800 and 12800E V200R005C10

This document describes the configurations of VPN, including GRE, BGP/MPLS IP VPN, BGP/MPLS IPv6 VPN, VLL, PWE3, and VPLS.
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Configuring Inter-AS Martini VPLS in Option A Mode

Configuring Inter-AS Martini VPLS in Option A Mode


When VPLS is deployed in a large area, PEs may belong to different ASs. In this case, PWs cannot be established between PEs through LDP. To solve the problem in a normal network, configure inter-AS Martini VPLS.

The configuration is described as follows:

  • Configure Martini VPLS in each AS.
  • An ASBR considers a peer ASBR as a CE.
  • No inter-AS configuration needs to be performed on ASBRs.
  • No IP address needs to be configured for the interfaces connecting ASBRs.

For details, see Configuring LDP VPLS.


In inter-AS Martini VPLS OptionA, each ASBR must reserve an AC interface for each inter-AS VC. OptionA can be used when the number of inter-AS VCs is small. Compared with the L3VPN, the inter-AS L2VPN OptionA consumes more resources and requires more configuration workload. Therefore, the inter-AS L2VPN OptionA is not recommended.

Verifying the Configuration

  • Run the display vpls vsi [ name vsi-name ] [ verbose ] command to check information about a VPLS VSI.
Updated: 2019-04-03

Document ID: EDOC1100075353

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