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Configuration Guide - VPN 01

NE05E and NE08E V300R003C10SPC500

This is NE05E and NE08E V300R003C10SPC500 Configuration Guide - VPN
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Configuring Route Exchange Between a Hub-PE and a Spoke-PE

Configuring Route Exchange Between a Hub-PE and a Spoke-PE

By introducing extended community attributes into BGP, MP-IBGP can advertise VPNv4 routes between PEs.

Context

An MP-IBGP peer relationship needs to be established between the Hub-PE and each Spoke-PE. Spoke-PEs do not need to exchange routes directly and therefore they do not need to establish MP-IBGP peer relationships.

Perform the following steps on the Hub-PE and all the Spoke-PEs.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run bgp as-number

    The BGP view is displayed.

  3. Run peer peer-address as-number as-number

    The remote PE is configured as a BGP peer.

  4. Run peer peer-address connect-interface loopback interface-number

    The interface used to establish a TCP connection is specified.

    NOTE:
    PEs must use the loopback interface addresses with 32-bit masks to establish an MP-IBGP peer relationship so that routes can be iterated to a tunnel. The route to the loopback interface is advertised to the peer PE through IGP on the MPLS backbone network.

  5. Run ipv4-family vpnv4 [unicast]

    The BGP-VPNv4 address family view is displayed.

  6. Run peer peer-address enable

    The capability of exchanging BGP VPNv4 routing information with the peer is enabled.

  7. Run commit

    The configuration is committed.

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Updated: 2019-01-14

Document ID: EDOC1100058925

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