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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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(Optional) Configure BGP Auto FRR

(Optional) Configure BGP Auto FRR

Context

On an intra-AS seamless MPLS network that has protection switching enabled, if a link or node fails, traffic switches to a backup path, which implements uninterrupted traffic transmission.
NOTE:

If both LDP FRR and BGP Auto FRR functions are configured, only BGP Auto FRR takes effect.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run bgp { as-number-plain | as-number-dot }

    The BGP view is displayed.

  3. Run ipv4-family unicast

    The BGP-IPv4 unicast address family view is displayed.

  4. Run auto-frr

    BGP Auto FRR is enabled for IPv4 unicast routes.

  5. Run bestroute nexthop-resolved tunnel

    Labeled BGP IPv4 unicast routes can participate in route selection only when their next hops are iterated to tunnels.

  6. (Optional) Run ingress-lsp protect-mode bgp-frr

    BGP FRR is enabled for BGP LSPs.

    NOTE:

    Perform this step on each CSG and MASG to enable the protection switching function for the whole BGP LSP.

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Updated: 2019-04-08

Document ID: EDOC1100065745

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