OSPF Fast Convergence Tools – Event Propagation

In continuation to my previous post about OSPF Fast Convergence – Event Detection, I will share my ideas about OSPF Event Propagation tool. Event propagation mainly covers LSA generation process. Once the event has been detected, LSA is generated to reflect the change. LSA is not generated immediately; OSPF waits 5000 msec until generating new LSA. This is only used for Router and Network LSA.

To get OSPF faster convergence(Read More About OSPF High Availability), LSA’s can be rate limited. This will increase OSPF convergence time.

Below is the command line to configure LSA throttling
router ospf 10
timers throttle lsa all (start) (hold) (max)
timers lsa arrival


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