BFD (Bidirectional Forwarding Detection) is a super fast protocol that is able to detect link failures within milliseconds or even microseconds.. All (routing) protocols have some sort of mechanism to detect link failures. OSPF uses hello packets and a dead interval, EIGRP uses hello packets and a holddown timer etc
How it works? we discussed on this webinar series
Webinar topic: Tuning OSPF: Bidirectional Forwarding Detection (BFD)
Presenter: Achmad Mardiansyah (CEO GLC Networks)
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Presentation slide
Recording available on Youtube
Thank you for attending our webinar! It’s been a great time to share our knowledge, hope it will be useful and meet your expectation.