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Configuration Guide - IP Unicast Routing

S7700 and S9700 V200R013C00

This document describes the configurations of IP Unicast Routing, including IP Routing, Static Route, RIP, RIPng, OSPF, OSPFv3, IPv4 IS-IS, IPv6 IS-IS, BGP, Routing Policy, IP Routing Table Management, and PBR.
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Configuring BFD for OSPF

Configuring BFD for OSPF

Applicable Environment

Fault detection via Hello packets periodically sent to neighboring switches requires more than 1s. For services such as voice and video, which are sensitive to packet loss and latency, prolonged fault detection will cause packet loss when traffic is transmitted at gigabit rates. This detection period cannot meet the high reliability requirements of carrier-class networks.

BFD for OSPF resolves this problem. After BFD for OSPF is configured in a process or on an interface, the link status can be rapidly detected. This allows fault detection to complete in milliseconds, speeding up OSPF convergence.

Pre-configuration Tasks

Before configuring BFD for OSPF, complete the following tasks:

Configuration Procedure

Figure 5-69  Flowchart of configuring BFD for OSPF
Updated: 2019-04-08

Document ID: EDOC1100065744

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