In practice, the vendor's recommendations regarding Routing Engine HA provide a lower bound. I'm just starting out with 1000ms x 3 multiplier, but my network is not national or global. I believe I could go as low as 500ms to keep HA happy.
On Wed, Mar 21, 2018 at 09:10:28AM -0400, Jason Lixfeld wrote: > For those running BFD on your land-based point-to-point links, I’m interested > in hearing about what factors you consider when deciding how to configure > your timers and multiplier.