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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 VPN instances on PEs

Configuring VPN instances on PEs

Context

Configure the VPN instance on each Spoke-PE and Hub-PE. This section provides only the mandatory configuration for a VPN instance. For the optional configuration of a VPN instance, see Configuring VPN Instances on PEs.

Procedure

  • Configure a VPN instance on the Hub-PE.

    Each Hub-PE is configured with the following two VPN instances:

    • VPN-in: receives and maintains all the VPNv6 routes advertised by all the Spoke-PEs.

    • VPN-out: maintains the routes of all the Hub stations and Spoke stations and advertises those routes to all the Spoke-PEs.

    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      ip vpn-instance VPN-in

      The VPN-in instance is created and the VPN-in instance view is displayed.

    3. Run:

      ipv6-family

      The IPv6 address family is enabled for the VPN-in instance, and the VPN-in instance IPv6 address family view is displayed.

    4. Run:

      route-distinguisher route-distinguisher

      The RD of the VPN-in instance IPv6 address family is configured.

    5. Run:

      vpn-target vpn-target1 &<1-8> import-extcommunity

      The VPN target extended community for the VPN-in instance IPv6 address family is created to import the IPv6 routes advertised by all the Spoke-PEs.

      vpn-target1 lists the export VPN targets advertised by all the Spoke-PEs.

    6. Run:

      quit

      Return to the VPN instance view.

    7. Run:

      quit

      Return to the system view.

    8. Run:

      ip vpn-instance VPN-out

      The VPN-out instance is created and the VPN-out instance view is displayed.

    9. Run:

      ipv6-family

      The IPv6 address family is enabled for the VPN-out instance, and the VPN-out instance IPv6 address family view is displayed.

    10. Run:

      route-distinguisher route-distinguisher

      The RD of the VPN-out instance IPv6 address family is configured.

    11. Run:

      vpn-target vpn-target2 &<1-8> export-extcommunity

      The VPN target extended community for the VPN-out instance IPv6 address family is created to advertise the routes of all the Hubs and Spokes.

      vpn-target2 lists the import VPN targets advertised by all the Spoke-PEs.

  • Configure the Spoke-PE.

    Every Spoke-PE is configured with a VPN instance.

    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      ip vpn-instance vpn-instance-name

      The VPN instance view of VPN-in is displayed.

    3. Run:

      ipv6-family

      The VPN instance IPv6 address family view is displayed.

    4. Run:

      route-distinguisher route-distinguisher

      The RD of the VPN instance IPv6 address family is configured.

    5. Run:

      vpn-target vpn-target2 &<1-8> import-extcommunity

      The VPN target extended community is configured for the VPN instance IPv6 address family to receive the VPNv6 routes advertised by the Hub-PE.

      vpn-target2 must be in the export VPN target list configured on the Hub-PE.

    6. Run:

      vpn-target vpn-target1 &<1-8> export-extcommunity

      The VPN target extended community is configured for the VPN instance IPv6 address family to advertise the routes of the sites the Spoke-PEs access.

      vpn-target1 must be in the import VPN target list configured on the Hub-PE.

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Updated: 2019-04-18

Document ID: EDOC1000141944

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