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Configuration Guide - VPN

S1720, S2700, S5700, and S6720 V200R010C00

This document describes the VPN configuration procedures and provides configuration examples.
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Configuration Task Summary

Configuration Task Summary

Table 5-7  VLL configuration task summary

Scenario

Description

Task

Configure basic VLL functions

Basic VLL functions are configured on MPLS VLL backbone networks that do not span multiple ASs and do not require VLL FRR. With basic VLL functions configured, sites can set up P2P Layer 2 connections for communication.

You need to select a proper VLL mode based on the scale of the current network and network expansion requirements.

  • The CCC VLL applies to small-scale enterprises with a few sites and simple topologies.

  • The Martini VLL applies to large-scale enterprises or LANs of small-scale carriers. Martini mode is easy to configure and extend, and makes faults easier to detect; therefore, this mode is widely used.

  • The SVC VLL is a simplified Martini mode, in which inner labels are manually specified. The SVC mode facilitates planning of label resources on VLL networks, but it increases configuration workload and is not easy to extend.

  • The Kompella VLL uses BGP as the signaling protocol and supports the auto-discovery capability for complex topologies. This mode applies to large-scale enterprises.

Configure inter-AS VLL

Configure inter-AS VLL if the VLL backbone network spans multiple ASs.

Configuring Inter-AS VLL

Configure VLL FRR

Configure VLL FRR to ensure link-layer reliability.

Configuring VLL FRR

Configure and apply a tunnel policy

Tunnel policies are required when VLL services need to be transmitted over TE tunnels or when multiple tunnels need to perform load balancing to fully use network resources.

Configuring and Applying Tunnel Policies

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Updated: 2019-04-18

Document ID: EDOC1000141944

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