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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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Configuring MP-IBGP Between Hub-PE and Spoke-PE

Configuring MP-IBGP Between Hub-PE and Spoke-PE

Context

The Hub-PE must set up the MP-IBGP peer with all the Spoke-PE devices. Spoke-PE devices do not need to set up the MP-IBGP peer between each other.

Perform the following steps on the Hub-PE and Spoke-PE devices.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    bgp { as-number-plain | as-number-dot }

    The BGP view is displayed.

  3. Run:

    peer ipv4-address as-number as-number

    The peer PE is configured as a BGP peer.

  4. Run:

    peer ipv4-address connect-interface loopback interface-number

    An interface is used to set up a Transmission Control Protocol (TCP) connection with the BGP peer.

    NOTE:

    A PE must use a loopback interface address with a 32-bit mask to set up an MP-IBGP peer relationship with the peer PE so that VPN routes can be iterated to tunnels. The route to the local loopback interface is advertised to the peer PE using an IGP on the MPLS backbone network.

  5. Run:

    ipv4-family vpnv4 [ unicast ]

    The BGP-VPNv4 address family view is displayed.

  6. Run:

    peer ipv4-address enable

    The ability to exchange VPN IPv4 routes with the BGP peer is enabled.

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Updated: 2019-08-21

Document ID: EDOC1000141944

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