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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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(Optional) Associating the Spoke PW Status with Hub PW Status

(Optional) Associating the Spoke PW Status with Hub PW Status

In a VPLS PW redundancy scenario in which two spoke PWs work in backup mode, after the spoke PW status is associated with the hub PW status, the primary spoke PW will go Down if the associated hub PWs go Down. An active/standby switching will then be triggered between the primary and secondary spoke PWs.

Context

In a VPLS PW redundancy scenario, if all the hub PWs of an SPE where the primary spoke PW resides go Down but the primary spoke PW is still Up, traffic still travels along the primary PW to the SPE. Because all hub PWs of the SPE go Down, the SPE drops the received traffic. To prevent this problem, associate the spoke PW status with the hub PW status. Then, after all the hub PWs of the SPE where the primary spoke PW resides go Down, the SPE instruct the UPE to switch traffic to the secondary spoke PW.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run vsi vsi-name static

    The view of the created VSI is displayed.

  3. Run pwsignal ldp

    The VSI-LDP view is displayed.

  4. Run peer (VSI-LDP view) peer-address [ negotiation-vc-id vc-id ] pw pw-name

    The PW view is displayed.

  5. Run track hub-pw

    The spoke PW status is associated with the hub PW status.

    By default, the spoke PW status is not associated with the hub PW status.

    This command can only be used to configure spoke PWs to track the status of hub PWs. Therefore, a spoke PW must have been created using the peer (VSI-LDP view) peer-address [ negotiation-vc-id vc-id ] [ tnl-policy policy-name ] upe command.

    After the track hub-pw command is configured, the SPE instructs the UPE to switch traffic to the secondary spoke PW after detecting that all connected hub PWs go Down. The protect-group group-name and protect-mode pw-redundancy master commands must have been run to create a PW protection group with the master/slave PW redundancy mode, and the primary and secondary PWs have been added to the group.

  6. Run commit

    The configuration is committed.

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Updated: 2019-01-14

Document ID: EDOC1100058925

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