For Network devices (routers, switches, etc) that are not directly connected to each other, cannot detect failures that may occur on the path between them, Bi-directional forwarding detection – BFD can support network devices to rapidly detect remote failures at milliseconds interval by being bounded to network protocols to rapidly notify them about discovered failures to minimise packet drops.

In this video, we discuss what is BFD, why it’s used, how it can work.

*** Video Key Moments

00:33 Why BFD

02:57 Definition of BFD

05:23 BFD Session Setup

07:03 BFD Types

09:08 BFD Modes

11:35 BFD Detection Time

17:20 BFD Packet Format

18:48 BFD for Everything

IP Networks Datacom

BFD

OSPF

BGP Network

Network Failure Detection

Remote Network Failures

Huawei HCIP Datacom Advanced