FRR OSPF Tuning for Fast Convergence

  • Does anyone have a guide or experience with tuning ospf to converge faster than default?

    I see support for sub second hellos but i cant find documentation on how to fine tune ospf.

    As of right now i have a ospf domain with several sites connected over IPSEC VTI links that whenever a change is made, the client phone/voip system cuts out for a couple seconds. The convergence times are ranging from 5-15 seconds and in some cases up to 45 seconds.

    Any help would be appreciated. Thanks guys

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