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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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Overview of OSPFv3

Overview of OSPFv3


Open Shortest Path First (OSPF) is a link-state interior gateway protocol (IGP) developed by the Internet Engineering Task Force (IETF).

OSPF version 3 (OSPFv3), defined in RFC 2740 and expanded in RFC 5340, is a modification of OSPFv2 allowing IPv6 support.


The primary purpose of OSPFv3 is to develop a routing protocol independent of any specific network layer. The internal routing information of OSPFv3 has been redesigned to serve this purpose.

OSPFv3 and OSPFv2 differ as follows:

  • OSPFv3 uses IPv6, while OSPFv2 uses IPv4.

    OSPFv3 does not insert IP-based data in the header of an IP packet or Link State Advertisement (LSA).

  • OSPFv3 uses protocol-independent information to execute crucial tasks that originally required the use of the data in the IP packet header, for example, to identify LSAs that advertise routing data.

Updated: 2020-02-04

Document ID: EDOC1000178324

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