Re: Bgp Backdoor usage

From: Narbik Kocharians (narbikk@gmail.com)
Date: Mon Sep 24 2007 - 02:47:44 ART


I am flying to France so please excuse the delay in response, but could you
please send me the scenario?

On 9/23/07, Han Solo <hansolo@ccieunix.com> wrote:
>
>
> Thanks Narbik , I thought that was the case , but I have a scenario I am
> doing in which it is not. I have verified that for sure the router say R1
> has both routes and if I pull bgp out , then eigrp takes over and vise
> versa. So I think there is some other decision process involved there ,
> this is what I am trying to figure you. As I have the backdoor route
> tagged , but yet the Higher AD bgp route overrides the 170 eigrp route.
>
>
>
>
> On Sun, 23 Sep 2007, Narbik Kocharians wrote:
>
> > Correct.
> >
> > On 9/23/07, Han Solo <hansolo@ccieunix.com> wrote:
> >>
> >> Hi can you clarify if I am thinking right about this. If you have a
> router
> >> that is learning a given prefix by D EX so external eigrp. Then this
> same
> >> router is learning this same prefix via ebgp hence 20 , so now this
> router
> >> knows about the same prefix , lets call it A . Via both eigrp and bgp ,
> if
> >> I want this router to route to prefix A , via eigrp can't you use the
> >> following under bgp routing process " network A mask 255.0.0.0backdoor"
> >> so now the AD of ebgp default 20 is now 200 , so that now the eigrp ex
> 170
> >> takes over ?
> >>
> >> Thanks
> >>
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> >
>

-- 
Narbik Kocharians
CCIE# 12410 (R&S, SP, Security)
CCSI# 30832
www.Net-WorkBooks.com


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