Re: Simple Doubt regarding BGP

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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----- 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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