so, say you end up with a /24 and your ASN split up your /24 into hq-/25 and colo-/25 from colo: 1) announce /24 as a standard adv 2) announce colo-/25 with *no-export* community set
from hq: 1) announce /24 as a standard adv 2) announce hq-/25 with *no-export* community set Run iBGP over a dedicated link b/w colo and hq (I don't like allow-as in! but it is another option) ./Randy --- On Thu, 6/14/12, Philip Lavine <source_ro...@yahoo.com> wrote: > From: Philip Lavine <source_ro...@yahoo.com> > Subject: Re: best practives multi-homed BGP 2 physical locations > To: "Mick O'Rourke" <mkorou...@gmail.com> > Cc: "nanog@nanog.org" <nanog@nanog.org> > Date: Thursday, June 14, 2012, 3:33 PM > Easy part: > I need to provide my users acces to the internet from my HQ > site via a local Internet connection or via a colo. > > Hard part: > I also need to provide incoming access to hosted apps > (HTTP, FTP, SMTP) from either location, so if the colo > internet connection goes down the traffic can re-route to > the HQ server farm and visa versa. > I am in the process of purchasing an AS and ip space. Is it > advisable to use the same IP space at both locations and run > iBGP over a dedicated L2 connection between the sites. > > P > > > ________________________________ > From: Mick O'Rourke <mkorou...@gmail.com> > To: Philip Lavine <source_ro...@yahoo.com> > > Cc: "nanog@nanog.org" > <nanog@nanog.org> > > Sent: Thursday, June 14, 2012 2:48 PM > Subject: Re: best practives multi-homed BGP 2 physical > locations > > > As in > - use of multi or single AS? > - private, vpn or other dci? > - etc > What's the purpose of the site? Or what end result are you > trying to achieve? > > On Jun 15, 2012 6:04 AM, "Philip Lavine" <source_ro...@yahoo.com> > wrote: > > Is there any best practices documentation on how to run > BGP multihoming accross two phyiscally seperated sites. > > >