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Configuration Guide - IP Unicast Routing

CloudEngine 12800 and 12800E V200R002C50

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, and PBR.

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Configuring an Intelligent Timer for Generating LSAs

Configuring an Intelligent Timer for Generating LSAs


Setting the millisecond-level interval for generating the same LSA speeds up network convergence. When a network becomes unstable, reduce the interval for generating the same LSA by using an intelligent timer.

Do as follows on the switch that runs OSPFv3.


  1. Run system-view

    The system view is displayed.

  2. Run ospfv3 [ process-id ]

    The OSPFv3 view is displayed.

  3. Run lsa-originate-interval { 0 | intelligent-timer max-interval start-interval hold-interval [ other-type interval ] | other-type interval [ intelligent-timer max-interval start-interval hold-interval ] }

    The interval for updating OSPFv3 LSAs by using an SPF intelligent timer is set.

    By default, the maximum interval for updating LSAs is 5000 ms, the initial interval for updating LSAs is 500 ms, the hold interval for updating LSAs is 1000 ms.

  4. (Optional) Run lsa-originate-interval suppress-flapping suppress-interval

    The maximum OSPFv3 LSA suppression period is configured.

    If frequent OSPFv3 LSA flapping occurs, the larger value between lsa-originate-interval suppress-flapping and lsa-originate-interval is used to suppress LSA flapping.

    By default, if the device receives an LSA, it delays route calculation for 10s.

  5. Run commit

    The configuration is committed.

Updated: 2019-03-21

Document ID: EDOC1000166601

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