[j-nsp] Restricting OSPF prefixes listen from neighbor

[Jonathan Looney]

On 9/6/06, Vladimir S. Blazhkun <v.blazhkun at pcs-net.net> wrote:
>
> > Dear All
> >
> > I have a scenario, where i have created a OSPF neighborship with my client.
> > Client is advertising me all of its routes, but i have to restric this
> > advertisement at my input interface end.
> > Juniper ospf import policy doesnot work.  Is there any way to restrict it as
> > CISCO has distribute-list option to filter out the listen prefix lists.
>
> import policy for OSPF works only for external (calculated from Type-5/7
> LSAs) routes. But it doesn't filter any LSAs, because it will break
> consistency of link-state databases.
>
> There is no way to restrict routes from OSPF neighbors in JUNOS (except
> external routing information).

Incidentally, I think Cisco has the same restrictions on filtering
OSPF routes for the same reasons.

-Jon