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Configuration Guide - MPLS

S7700 and S9700 V200R010C00

This document describes MPLS configurations supported by the switch, including the principle and configuration procedures of static LSPs, MPLS LDP, MPLS TE, MPLS QoS, MPLS OAM, Seamless MPLS, and MPLS common features, and provides configuration examples.
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Checking the Configuration

Checking the Configuration

Prerequisites

The configurations of static BFD for TE tunnels are complete.

Procedure

  • Run the display bfd configuration mpls-te interface tunnel interface-number [ verbose ] command to check BFD configurations on the ingress.
  • Run the following commands to check BFD configurations on the egress:

    • Run the display bfd configuration all [ for-ip | for-lsp | for-te ] [ verbose ] command to check all BFD configurations.
    • Run the display bfd configuration static [ for-ip | for-lsp | for-te | name cfg-name ] [ verbose ] command to check the static BFD configurations.
    • Run the display bfd configuration peer-ip peer-ip [ vpn-instance vpn-instance-name ] [ verbose ] command to check the configurations of BFD with the reverse path being an IP link.
    • Run the display bfd configuration static-lsp lsp-name [ verbose ] command to check the configurations of BFD with the reverse path being a static LSP.
    • Run the display bfd configuration ldp-lsp peer-ip peer-ip nexthop nexthop-address [ interface interface-type interface-number ] [ verbose ] command to check the configurations of BFD with the backward channel being an LDP LSP.
    • Run the display bfd configuration mpls-te interface tunnel interface-number te-lsp [ verbose ] command to check the configurations of BFD with the backward channel being a CR-LSP.
    • Run the display bfd configuration mpls-te interface tunnel interface-number [ verbose ] command to check the configurations of BFD with the backward channel being a TE tunnel.

  • Run the display bfd session mpls-te interface tunnel interface-number [ verbose ] command to check BFD session configurations on the ingress.
  • Run the following commands to check BFD session configurations on the egress:

    • Run the display bfd session all [ for-ip | for-lsp | for-te ] [ verbose ] command to check all the BFD configurations.
    • Run the display bfd session static [ for-ip | for-lsp | for-te ] [ verbose ] command to check the static BFD configurations.
    • Run the display bfd session peer-ip peer-ip [ vpn-instance vpn-instance-name ] [ verbose ] command to check the configurations of BFD with the backward channel being an IP link.
    • Run the display bfd session static-lsp lsp-name [ verbose ] command to check the configurations of BFD with the backward channel being a static LSP.
    • Run the display bfd session ldp-lsp peer-ip peer-ip nexthop nexthop-address [ interface interface-type interface-number ] [ verbose ] command to check the configurations of BFD with the backward channel being an LDP LSP.
    • Run the display bfd session mpls-te interface tunnel interface-number te-lsp [ verbose ] command to check the configurations of BFD with the backward channel being a CR-LSP.
    • Run the display bfd session mpls-te interface tunnel interface-number [ verbose ] command to check the configurations of BFD with the backward channel being a TE tunnel.

  • Run the following command to check BFD statistics:

    • Run the display bfd statistics session all [ for-ip | for-lsp | for-te ] command to check all BFD session statistics.
    • Run the display bfd statistics session peer-ip peer-ip [ vpn-instance vpn-instance-name ] command to check statistics about the BFD session that detects faults in the IP link.
    • Run the display bfd statistics session static-lsp lsp-name command to check statistics about the BFD session that detects faults in the static LSP.
    • Run the display bfd statistics session ldp-lsp peer-ip peer-ip nexthop nexthop-address [ interface interface-type interface-number ] command to check statistics of the BFD session that detects faults in the LDP LSP.
    • Run the display bfd statistics session mpls-te interface tunnel interface-number te-lsp command to check statistics about the BFD session that detects faults in the CR-LSP.
    • Run the display bfd statistics session mpls-te interface tunnel interface-number command to check statistics on BFD sessions for TE tunnels.

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Updated: 2019-04-18

Document ID: EDOC1000141902

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