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Configuration Guide - VPN

S7700 and S9700 V200R013C00

This document describes the configurations of VPN, including GRE, IPSec, BGP/MPLS IP VPN, BGP/MPLS IPv6 VPN, VLL, PWE3, VPLS, L2VPN Access to L3VPN.
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Configuring the SPE

Configuring the SPE

Context

On an HVPLS network, SPEs are fully connected. You need to configure VSI peers between SPEs, and between SPEs and UPEs.

Perform the following steps on the SPE:

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run vsi vsi-name static

    VSIs are created and the automatic member discovery mechanism is used.

  3. Run pwsignal ldp

    LDP is configured as the PW signaling protocol and the VSI-LDP view is displayed.

  4. (Optional) Run npe-upe mac-withdraw enable

    The SPE is enabled to forward the LDP MAC Withdraw messages that are received from another SPE to a UPE.

    By default, an SPE is not enabled to forward the LDP MAC Withdraw messages that are received from another SPE to a UPE.

    When an SPE receives an LDP MAC Withdraw message from another SPE, the SPE clears the local MAC table and learns MAC addresses. If the UPE does not clear the MAC table synchronously, communication may be interrupted. You can run this command to enable the SPE to forward the LDP MAC Withdraw message to the UPE to clear the MAC table on the UPE.

    In good network conditions, running this command speeds up network convergence. In bad network conditions, running this command generates a large number of exchange messages, and therefore is not recommended.

  5. (Optional) Run upe-upe mac-withdraw enable

    The SPE is enabled to forward the LDP MAC Withdraw messages that are received from a UPE to another UPE.

    By default, the SPE is not enabled to forward the LDP MAC Withdraw messages that are received from a UPE to another UPE.

    When an SPE receives an LDP MAC Withdraw message from a UPE, the SPE clears the local MAC table and learns MAC addresses. If another UPE does not clear the MAC table synchronously, communication may be interrupted. You can run this command to enable the SPE to forward the LDP MAC Withdraw message to another UPE to clear the MAC table on the UPE.

    In good network conditions, running this command speeds up network convergence. In bad network conditions, running this command generates a large number of exchange messages, and therefore is not recommended.

  6. (Optional) Run upe-npe mac-withdraw enable

    The SPE is enabled to forward the LDP MAC Withdraw messages that are received from a UPE to another SPE.

    By default, the SPE is not enabled to forward the LDP MAC Withdraw messages that are received from a UPE to another SPE.

    When an SPE receives an LDP MAC Withdraw message from a UPE, the SPE clears the local MAC table and learns MAC addresses. If another SPE does not clear the MAC table synchronously, communication may be interrupted. You can run this command to enable the SPE to forward the LDP MAC Withdraw message to another SPE to clear the MAC table on the SPE.

    In good network conditions, running this command speeds up network convergence. In bad network conditions, running this command generates a large number of exchange messages, and therefore is not recommended.

  7. Run vsi-id vsi-id

    The VSI ID is set.

  8. Run peer peer-address [ negotiation-vc-id vc-id ] [ tnl-policy policy-name ]

    Or run peer peer-address [ negotiation-vc-id vc-id ] [ tnl-policy policy-name ] static-npe trans transmit-label recv receive-label

    A VSI peer is configured between SPEs.

  9. Run peer peer-address [ negotiation-vc-id vc-id ] [ tnl-policy policy-name ] upe

    Or run peer peer-address [ negotiation-vc-id vc-id ] [ tnl-policy policy-name ] static-upe trans transmit-label recv receive-label

    A VSI peer is configured between the SPE and the UPE.

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Updated: 2019-04-08

Document ID: EDOC1100065751

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