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Controlling the LSA Retransmission Interval

When a router sends link-state advertisements to its neighbors, the router expects to receive an acknowledgment packet from the neighbor within a certain amount of time. If the router does not receive an acknowledgment, it retransmits the advertisement.

Note: You must configure LSA retransmit intervals to be equal or greater than 3 seconds to avoid triggering a retransmit trap because the JUNOS software delays LSA acknowledgments by up to 2 seconds.

By default, the router waits 5 seconds for an acknowledgment before retransmitting the link-state advertisement. To modify this interval, include the retransmit-interval statement:




retransmit-interval seconds;

For a list of hierarchy levels at which you can configure this statement, see the statement summary section for this statement.

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