Re: Simple Doubt regarding BGP

From: Rsharma <cciers09_at_gmail.com>
Date: Tue, 28 Apr 2009 23:18:54 +0530

Think about rule of ADVERTISING routes in BGP.

BGP advertise network or host only when it finds exact match entry in the
routing table.

Cheers !!!!!!!!!!
Rsharma

On Tue, Apr 28, 2009 at 10:43 AM, Joe Astorino <joe_astorino_at_comcast.net>wrote:

> Bryan is exactly right, but just to add to that, remember to get it into
> the BGP table it has to match EXACTLY what you already have in the routing
> table, and as Bryan pointed out, the connected route is going to be
> 2.0.0.0/8
>
>
> "He not busy being born is busy dying" -- Dylan
>
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> -----END PGP PUBLIC KEY BLOCK-----
>
> ----- Original Message -----
> From: "Bryan Bartik" <bbartik_at_ipexpert.com>
> To: "Raghav Bhargava" <raghavbhargava12_at_gmail.com>
> Cc: "Cisco certification" <ccielab_at_groupstudy.com>
> Sent: Monday, April 27, 2009 7:06:16 PM GMT -08:00 US/Canada Pacific
> Subject: Re: Simple Doubt regarding BGP
>
> Hi Raghav,
>
> When you configure the loopback of 2.2.2./8 the connected route is
> actually
> 2.0.0.0/8. This is what you need advertised in your BGP configuration. Now
> suppose you had 2.2.2.2/32, then you would need "network 2.2.2.2 mask
> 255.255.255.255".
>
>
> Bryan Bartik
> CCIE #23707, CCNP
> Sr. Support Engineer - IPexpert, Inc.
> URL: http://www.IPexpert.com
>
> On Mon, Apr 27, 2009 at 7:55 PM, Raghav Bhargava <
> raghavbhargava12_at_gmail.com
> > wrote:
>
> > Hi Experts,
> >
> > Very basic question
> >
> > Suppose I have this ip address configured on my loopback Interface of R1
> >
> > 2.2.2.2/8
> >
> > Now under my BGP Process if i advertise this network as
> >
> >
> > network 2.2.2.2
> >
> > OR
> >
> > network 2.0.0.0
> >
> > Now in first case I don't see this network in the BGP table of the other
> > router but
> > if I follow the second case the network is seen.
> >
> > Can anyone please explain why is it doing like this??
> >
> > --
> > Warm Regards
> > Raghav
> >
> >
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> >
> >
> >
> >
> >
>
>
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>
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Received on Tue Apr 28 2009 - 23:18:54 ART

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