IXP BGP timers (was: Multi-homed clients and BGP timers)

John.Herbert at ins.com John.Herbert at ins.com
Mon May 25 14:42:12 CDT 2009


For those in multivendor environments, it's worth also being aware that since 7.6R1 JunOS sets the minimum BGP hold timer to 20 seconds. If I were creating a standard timer config to deploy consistently on customer peers (and needed something on the fast side in timer terms) I would need to take that into account.

(And yes, there is of course a way to override the 20s hold timer, but it's not a supported config last time I checked)

j.

________________________________________
From: Andree Toonk [andree+nanog at toonk.nl]
Sent: Monday, May 25, 2009 2:33 PM
To: Chris Caputo
Cc: nanog at nanog.org
Subject: Re: IXP BGP timers (was: Multi-homed clients and BGP timers)

Hi Chris,

.-- My secret spy satellite informs me that at Mon, 25 May 2009, Chris Caputo wrote:

> Would going below 60-180 without first discussing it with your peers, tend
> to piss them off?

60-180 is fairly conservative. 60-180 is the Cisco default I believe, however
Junipers defaults are 30-90. I never pissed anyone off with that ;)

Cheers,
 Andree



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