http://www.cisco.com/en/US/tech/tk648/tk365/technologies_configuration_example09186a0080094309.shtml
should do.


Arnold

----- Original Message ----- 
From: "Michael Loftis" <mloftis@...>
To: <isp-bgp@isp-bgp.com>
Cc: "Rich Pulver" <pulverr@...>
Sent: Friday, January 31, 2003 2:14 AM
Subject: [isp-bgp] Re: Multi-site BGP


> No you can't just advertise the other site through BGP, because then
> packets could get delivered to other site depending on if it had a better
> path or not...
>
> What you can do is a conditional advertisement...Take a look at the
> archives for this list, I seem to remember it being discussed very
recently.
>
> --On Thursday, January 30, 2003 4:20 PM -0500 Rich Pulver
> <pulverr@...> wrote:
>
> > Hello all. I have a question regarding BGP for Disaster Recovery. Does
> > anyone use BGP currently for fail over to a DR site? If so, is it as
> > simple as advertising my networks through providers in both locations
and
> > configuring the primary site as the preferred until that site goes away?
> > (Or am I missing the fact that I won't be able to direct inbound traffic
> > to such a degree?)
> >
> > This is what I have
> >
> > site1 - NY - Primary - 2 x T3 - 3 Class C from 1 provider - ASN with
ARIN
> >
> > site2 - CA - DR - 2 X T3
> >
> > I am already running BGP with two upstreams in NY. Can I just advertise
my
> > routes and ASN in CA so all traffic will be redirected there if anything
> > happens in NY? Are there any ramifications to this type of setup? Any
> > input would be greatly appreciated. Thanks.
> >
> >
> > Rich
> >




>
>
>




>

Replies

[isp-bgp] Multi-site BGP, Rich Pulver

[isp-bgp] Re: Multi-site BGP, Michael Loftis