Bidirectional Forwarding Detection (BFD) Protocol Cheat Sheet
Definition This is a protocol initially described in RFC5880 and IPv4/IPv6 specifics in RFC5881. I would say this is an aggressive 'hello-like' protocol with shorter timers but very lightweight on t...
Published Aug 22, 2019
Version 1.0
Hi Piotr
Yes, BFD can be configured in HA pair with same floating Self IP as source address but such functionality was only implemented in v14.1.0+ via ID701289. In effect, BFD is configured on both Active and Standby but control packets are temporarily suspended on Standby. I'd still advise you to use it with caution and test it in non-production environment before configuring it in production environment.
Cheers.
Rodrigo