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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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Summary of Basic BGP/MPLS IPv6 VPN Configuration Tasks

Summary of Basic BGP/MPLS IPv6 VPN Configuration Tasks

Table 3-4 Basic BGP/MPLS IPv6 VPN configuration tasks

Configuration Task



Configure the MPLS VPN backbone network.

Confirm requirements of VPN users.

  1. Determine the number of devices and interfaces based on the network scale, which includes:
    • Number of users
    • Number of VPNs for each user
    • Number of VPN instances for each VPN
  2. Routing protocols used on the backbone network

Configure routing between backbone devices.

Configuring an IGP on the PEs and P of the MPLS backbone network to achieve IP connectivity on the backbone network

For detailed IGP configuration, see the CloudEngine 12800 and 12800E Series Switches Configuration Guide - IP Routing.

Enable MPLS on devices of the backbone network and enable IPv6 globally.

Enable MPLS and configure Label Distribution Protocol (LDP) to set up public network tunnels. The LDP can be MPLS LDP or Resource Reservation Protocol-Traffic Engineering (RSVP-TE).

For detailed MPLS LDP configuration, see MPLS LDP Configuration and Configuring a Dynamic MPLS TE Tunnel in the CloudEngine 12800 and 12800E Series Switches Configuration Guide - MPLS.

You also need to configure VPN tunnel policies when VPN services need to be transmitted over TE tunnels or when multiple tunnels need to perform load balancing to fully use network resources. For detailed configuration, see nottoctopics/en-us_task_0141111579.xml.

Configure MP-IBGP between PEs.

For details, see Establishing MP-IBGP Peer Relationships Between PEs.

Connect MPLS VPN users.

Configure VPN instances on PEs.

For details, see Configuring VPN instances on PEs.

Bind interfaces to VPN instances.

For details, see Binding a VPN Instance to an Interface.

Configure route exchange between PEs and CEs.

For details, see Configuring Route Exchange Between PE and CE Devices.

Updated: 2019-04-03

Document ID: EDOC1100075353

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