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Configuration Guide - IP Unicast Routing

S7700 and S9700 V200R011C10

This document describes IP Unicast Routing configurations supported by the switch, including the principle and configuration procedures of IP Routing Overview, Static Route, RIP, RIPng, OSPF, OSPFv3, IS-IS(IPv4), IS-IS(IPv6), BGP, Routing Policy ,and PBR, and provides configuration examples.
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Configuring BFD for OSPF

Configuring BFD for OSPF

Applicable Environment

Fault detection, whereby an OSPF-capable switch periodically sends Hello packets to a neighboring switch, requires more than 1s. For services such as voice and video, which are sensitive to packet loss and delay, 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 is 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
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Updated: 2019-04-01

Document ID: EDOC1000178324

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