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CLI-based Configuration Guide - IP Unicast Routing

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R009

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Configuring the Interval for Retransmitting LSAs

Configuring the Interval for Retransmitting LSAs


After sending an LSA packet to the neighboring router, the router waits for a response. If no response is received within the set interval, the router retransmits the LSA packet to the neighboring router.


  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The OSPF interface view is displayed.

  3. Run ospf timer retransmit interval

    The interval for retransmitting LSAs between adjacent routers is set.

    By default, the interval for retransmitting LSAs is 5 seconds.

    The interval for retransmitting LSAs between adjacent routers cannot be set too small. Generally, the interval needs to be larger than the round trip time of a packet transmitted between two routers. Otherwise, certain LSAs are retransmitted unnecessarily.

Updated: 2019-12-27

Document ID: EDOC1000174069

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