[c-nsp] Advertising private network in iBGP

[Prit Patel]

Hi Stephen,

Its there.

Regards
Prit


On Thu, 16 Dec 2004 12:24:36 +0000 (GMT), Stephen J. Wilcox
<steve at telecomplete.co.uk> wrote:
> You must have the bgp network and mask match a route in your igp.. if the route
> doesnt exist, create one eg
> 
> ip route 172.22.0.0 255.255.0.0 null0
> 
> STeve
> 
> On Thu, 16 Dec 2004, Prit Patel wrote:
> 
> > Thanks Marco,
> >
> > Finally i tried and its working but one more query,
> >
> > When i tried with
> > network 172.22.0.0 mask 255.255.0.0
> >
> > and matching prefix-list and route its not getting advertised.
> > What would be the problem in this.
> >
> > Regards
> > Tejal Shah
> >
> >
> > On Wed, 15 Dec 2004 15:19:40 +0100, Marco Matarazzo <marmata at libero.it> wrote:
> > > Hi Prit,
> > >
> > > > I m trying to advertise ip block 10.12.5.0/24 & 10.12.9.0/24 in my BGP
> > > > session but it is not getting advertise.
> > > >
> > > > router bgp 100
> > > > network 10.12.5.0
> > > > neighbor 2.2.2.2 prefix-list go-out out
> > > >
> > > > ip route 10.12.5.0 255.255.255.0 1.1.1.1
> > > >
> > > > ip prefix-list go-out permit 10.12.5.0/24
> > > >
> > > > But the network 10.12.5.0 is not appering in my advertised routes on
> > > > this router.
> > >
> > > try:
> > >
> > > network 10.12.5.0 mask 255.255.255.0
> > >
> > > and it should work.
> > > Since you're omitting the netmask in the network statement, Cisco keeps the
> > > 'natural' network mask. You don't have a route for the full /8, only to the
> > > more specific /24, and the route won't be advertised this way.
> > >
> > > Cheers,
> > > ]\/[arco
> > >
> > > >
> > > > Is there any special command required to enable this.
> > > >
> > > > Regards
> > > > Prit
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>