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Configuration Guide - VPN

S7700 and S9700 V200R013C00

This document describes the configurations of VPN, including GRE, IPSec, BGP/MPLS IP VPN, BGP/MPLS IPv6 VPN, VLL, PWE3, VPLS, L2VPN Access to L3VPN.
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Summary of Basic BGP/MPLS IPv6 VPN Configuration Tasks

Summary of Basic BGP/MPLS IPv6 VPN Configuration Tasks

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

Configuration Task



Configure the MPLS VPN backbone network.

Confirm requirements of VPN users.

  1. Determine 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. Determine routing protocols used on the backbone network.

Configure routing between backbone devices.

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

For detailed configuration, see the S7700 and S9700 V200R013C00 Configuration Guide - IP Unicast Routing Configuration Guide.

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 configuration, see MPLS LDP Configuration and RSVP-TE Configuration in the S7700 and S9700 V200R013C00 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 Configuring and Applying a Tunnel Policy.

Configure MP-IBGP between PEs.

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

Connect MPLS VPN users.

Configure VPN instances on PEs.

For detailed configuration, see Configuring VPN Instances on PEs.

Bind interfaces to VPN instances.

For detailed configuration, see Binding Interfaces to a VPN Instance.

Configure route exchange between PEs and CEs.

For detailed configuration, see Configuring Route Exchange Between PEs and CEs.

Updated: 2019-04-08

Document ID: EDOC1100065751

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