LSA Refresh

Hey,

Just curious on why LSA age timers go above 1800 seconds.
If they are refreshed every 30 minutes, then how is this possible?
I have a small topology (3 routers) and the output of show ip ospf database indicates LSA Ages of 1900+ seconds.
They don't actually go above 2000 seconds, but I thought they should change at least every 1800 seconds (approximately).

Thanks.

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Comments

Zartanasaurus

LSA group pacing causes the refresh to go over 30 minutes so LSAs that are close together in age can be refreshed in a group.

up2thetime

Zartanasaurus wrote: »

LSA group pacing causes the refresh to go over 30 minutes so LSAs that are close together in age can be refreshed in a group.

Great! Thank you!

OSPF LSA Group Pacing - Cisco Systems

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