How are you configuring BFD timers?

Bryan Holloway bryan at shout.net
Wed Mar 21 16:35:16 UTC 2018


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:job at 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
> 
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