Which platform ? What context ? Best regards.
> Le 21 mars 2018 à 18:10, Jason Lixfeld <jason+na...@lixfeld.ca> a écrit : > > A few years ago I did some testing and found that the time between the > transceiver detecting LOS and the routing protocol (ISIS in this case) being > informed that the link was down (triggering the recalculation) took longer > than it took BFD to signal ISIS to recalculate. > >> On Mar 21, 2018, at 12:35 PM, Bryan Holloway <br...@shout.net> wrote: >> >> Wouldn't any tangible problem on a dark-fiber link result in an interface >> shutdown, ostensibly creating the trigger one would need to begin >> re-convergence? >> >> >>> On 3/21/18 11:31 AM, Alex Lembesis wrote: >>> To speed up BGP routing convergence. The (2x) dark fiber links from PA to >>> FL are being used as Layer3 datacenter interconnects, where each datacenter >>> has its own AS. The DF is also carrying FCIP traffic, so we need failover >>> to be as fast as possible. >>> Best regards, >>> Alex >>> -----Original Message----- >>> From: Job Snijders (External) [mailto:j...@instituut.net] >>> Sent: Wednesday, March 21, 2018 12:25 PM >>> To: Youssef Bengelloun-Zahr >>> Cc: Alex Lembesis; NANOG >>> Subject: Re: How are you configuring BFD timers? >>> Silly question perhaps, but why would you do BFD on dark fiber? >>> Kind regards, >>> Job >>> This message is intended solely for the designated recipient(s). It may >>> contain confidential or proprietary information and may be subject to >>> attorney-client privilege or other confidentiality protections. If you are >>> not a designated recipient you may not review, copy or distribute this >>> message. If you receive this in error, please notify the sender by reply >>> e-mail and delete this message. Thank you. >
