Ahmed, Our experience with conditional BGP and default BGP timers is that it can take up to 3 minutes to converge.
Thanks, Adam -----Original Message----- From: cisco-nsp [mailto:[email protected]] On Behalf Of Ahmed Hilmy Sent: Wednesday, August 28, 2013 4:38 PM To: Blake Dunlap Cc: Gert Doering; [email protected] Subject: Re: [c-nsp] BGP conditional advertisement thanks On Wed, Aug 28, 2013 at 11:29 PM, Blake Dunlap <[email protected]> wrote: > No. > > -Blake > > > On Wed, Aug 28, 2013 at 3:22 PM, Ahmed Hilmy <[email protected]> wrote: > >> Hi Friends, >> >> when i force prefix Z to be advertised to ISP A only and to ISP B >> only when ISP A is down. >> does my end customer will face an outage or a flap ? i want that the >> recovery time should be fast enough that the customer will not be >> able to sense it. >> Does conditional advertisement do that ? >> >> >> On Wed, Aug 28, 2013 at 10:41 PM, Ahmed Hilmy <[email protected]> wrote: >> >> > i want to understand it >> > >> > >> > On Wed, Aug 28, 2013 at 12:28 PM, Gert Doering <[email protected] >> >wrote: >> > >> >> Hi, >> >> >> >> On Wed, Aug 28, 2013 at 11:27:20AM +0300, Ahmed Hilmy wrote: >> >> > We are planning to configure BGP conditional advertisement at >> >> > our >> >> Network. >> >> > I would like to share with you the idea behind that. >> >> > We have 4 UP Links , we are advertise our prefixes to them >> >> > identical >> on >> >> all >> >> > of Links. >> >> > So what is the best practice to deploy conditional advertisement. >> >> >> >> "Not use features that you don't understand" >> >> >> >> gert >> >> -- >> >> USENET is *not* the non-clickable part of WWW! >> >> // >> >> www.muc.de/~gert/ Gert Doering - Munich, Germany >> >> [email protected] >> >> fax: +49-89-35655025 >> >> [email protected] >> >> >> > >> > >> _______________________________________________ >> cisco-nsp mailing list [email protected] >> https://puck.nether.net/mailman/listinfo/cisco-nsp >> archive at http://puck.nether.net/pipermail/cisco-nsp/ >> > > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
