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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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Configuring Static BFD for Static LSPs

Configuring Static BFD for Static LSPs

When configuring static BFD for static LSPs, pay attention to the following points:

  • A static BFD session can be created for non-host routes. When the static LSP becomes Down, the associated BFD session also becomes Down. When the static LSP goes Up, a BFD session is reestablished.

  • The forwarding modes on the forwarding path and reverse path can be different (for example, an IP packet is sent from the source to the destination through an LSP, and is sent from the destination to the source in IP forwarding mode), but the forwarding path and reverse path must be established over the same link. If they use different links, BFD cannot identify the faulty path when a fault is detected.

By configuring static BFD for static LSPs, you can check connectivity of static LSPs.

Pre-configuration Tasks

Before configuring static BFD for static LSP, create static LSPs. For details, see Creating Static LSPs.

Configuration Procedure

Configure static BFD for static LSPs according to the following sequence.

Updated: 2019-10-18

Document ID: EDOC1000178315

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