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Configuration Guide - MPLS

S7700 and S9700 V200R013C00

This document describes the configurations of MPLS, including Static LSP, MPLS LDP, MPLS QoS, MPLS TE, MPLS OAM, Seamless MPLS.
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Verifying the Configuration of Static BFD for CR-LSPs

Verifying the Configuration of Static BFD for CR-LSPs

Prerequisites

The configurations of static BFD for CR-LSPs are complete.

Procedure

  • Run the display bfd configuration mpls-te interface tunnel interface-number te-lsp [ 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 te-lsp [ 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: 2019-04-08

Document ID: EDOC1100065745

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