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Re: BGP and Floating statics posted 04/25/2003
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Mohammed,

Couple of thoughts here - if the routers are local run iBGP
between loopback and use multiple paths and you wont loose
iBGP.

You could also ask the peers to accept each others prefix??

-TV

----- Original Message ----- 
From: "Mohammed Al-zubi" <mohammed@xxxxxxxxxxxxxxxxxx>
To: <ccielab@xxxxxxxxxxxxxx>
Sent: Friday, April 25, 2003 4:38 AM
Subject: BGP and Floating statics


> Hello group,
> I have the following situation, I have 2 BGP routers connected to two
ISPs,
> and connected to
> each other with an IBGP session.
> each of these routers has a network behind them (x,y), and each router
> learns about the other
>  routers network VIA IBGP,
> please look at the diagram below
>
>
>
>       ISP router A              ISP Router B
> | |
> | |
> | |
> EBGP link Ebgp link
> | |
> | |
> | |
> Border Router A -----IBGP link--------Border router B
> | |
> | |
> | |
> | |
> Network x Network Y
> | |
> | |
> Pix A Pix B
> | |
> | |
> | |
> ------------Network Z------------
>
> Now if I lose the link between border router A and border Router B, router
A
> can't tell
> Router B about network x and vice versa.
> both routers advertise x and y, but they prepend the other routers network
> when they send it
>  to the ISP, for example, router A send both x and Y to ISP A but he sends
> YYY.
>  now I want to configure A and B so that if the link
> between the routers is lost, and the IBGP route about x, and Y are gone, a
> floating static will
> kick in to tell router A for example that to get to Network Y go to Pix A.
> I'm not having luck with the config, If I put a floating static router
with
> admin 250 at A
> that says Ip route network y to pix A admin 250, the BGP network statement
> for y that was
> configured on router A kicks in, and we have a problem.
> so what do you guys think, how can we solve this issue?
>
> <><><><><><><><><><><><><><><><><><><><>
> Mohammed Al-Zubi
> VP Professional Services
> 24 Werner Ave.  #21
> Daly City, CA 94014
> Tel:   (650) 438-6384
> Fax:  (720) 293-4897
> Web:   <http://www.sulafsolutions.com/>