Re: Advertising a more specific subnet(/32) of a connected

You could use BGP conditional route injection
http://www.cisco.com/en/US/docs/ios/12_2t/12_2t4/feature/guide/ftbgpri.html

Sent from my iPad

On 21 Jan 2012, at 01:04, Dinesh Patel <jedidinesh_at_googlemail.com> wrote:

> Hi Group,
>
> I wonder if someone can help me with a relatively simple BGP scenario.
>
> I have advertised a connected interface /24(10.1.2.0/24) into BGP and
> aggregated it to a /16 (10.1/16) BGP prefix.
>
> So the connected interface is /24 (10.1.2.0/24)
> In BGP it is advertised as a /16 (10.1/16) aggregate to a peer.
>
> I now want to advertise a host on this connected interface as a /32
> (10.1.2.99). I can use an unsuppress map for the relevant peer. My problem
> is odd, how do I get the connected interface host /32 (10.1.2.99) on this
> connected interface into BGP?
>
> I first tried using a /32 (10.1.2.99) point to NULL0 but this dropped all
> the traffic as it is a connected interface.
>
> I guess I could use a /32 (10.1.2.99) pointing to the local interface
> (Gig1/1) instead of the NULL0? And then use a network statement to
> advertise this into BGP.
>
> Any suggestions?
>
>
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Received on Sat Jan 21 2012 - 08:15:44 ART