[c-nsp] Advertising private network in iBGP

[Marco Matarazzo]

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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