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Configuration Guide - MPLS

S7700 and S9700 V200R011C10

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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(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: 2019-10-18

Document ID: EDOC1000178315

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