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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 master/slave mode of PW redundancy

Configuring master/slave mode of PW redundancy

PW redundancy in master/slave mode allows a public network fault to trigger only the public network link switchover and an AC fault to trigger only the AC switchover.

Context

The primary and secondary PWs are manually specified on the master device, and then the local device notifies the remote device of information about the primary and secondary PWs. PW redundancy in master/slave mode works with the bypass PW to prevent links on the network side and links on the AC side from sensing faults in each other. That is, the fault on the AC side will trigger only an AC switchover and the fault on the public network will trigger only a PW switchover.

NOTE:

This configuration is applicable only to the primary/secondary PW redundancy mode. If only the independent PW redundancy mode is used, skip this configuration.

Procedure

  1. Configuring a VPWS Connection

    Create a primary PW.

  2. Configuring a Secondary PW

    Create a secondary PW.

  3. Configure the master/slave PW redundancy mode.
    1. Run interface interface-type interface-number

      The AC interface view is displayed.

    2. Run mpls l2vpn redundancy master

      The master/slave PW redundancy mode is configured.

    3. Run quit

      Return to the system view.

  4. (Optional) Configuring PW Switching

    The dynamic PW switching is configured.

    If multi-segment PWs need to be set up, you must configure a switching PW on each S-PE. PW redundancy supports only dynamic switching PWs.

  5. Configure a bypass PW.
    1. Run interface interface-type interface-number

      The AC interface view is displayed.

    2. Run mpls l2vc { ip-address | pw-template pw-template-name } * vc-id [ tunnel-policy policy-name | [ control-word | no-control-word ] | [ raw | tagged ] | access-port | ignore-standby-state ] * bypass

      The bypass PW is configured.

  6. (Optional) Run mpls l2vpn switchover

    Switches traffic from the primary PW to the secondary PW.

    In the scenario where PW redundancy in master/slave mode is configured, traffic is transmitted through the primary PW, and the secondary PW functions normally. When the device is upgraded or services are re-deployed, traffic needs to be switched to the secondary PW temporarily or in the long term. In this case, you can run the mpls l2vpn switchover command to forcibly switch traffic from the primary PW to the secondary PW. To switch traffic back to the primary PW after the device is upgraded, run the undo mpls l2vpn switchover command.

  7. Run commit

    The configuration is committed.

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Updated: 2019-01-14

Document ID: EDOC1100058925

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