[j-nsp] OSPF IMPORT POLICIES

[Keegan Holley]

On Dec 1, 2010, at 6:32 PM, "James  S. Smith" <JSmith at windmobile.ca> wrote:

> I don't see this as being possible.  The whole point of OSPF is to provide consistent routing data across all routers in the area.  If Juniper allowed filtering of internal routes being imported then that model could be broken.  Everything I've read say JunOS can't filter internal routes from being imported.

I suppose it isn't of much use here but I believe cisco routers allow this.  The only requirement Is that the ospf db be consistent per area.  It is technically ok to place a filter on the routing table as long as the lsa's are still advertised.
> 
> ----- Original Message -----
> From: juniper-nsp-bounces at puck.nether.net <juniper-nsp-bounces at puck.nether.net>
> To: juniper-nsp at puck.nether.net <juniper-nsp at puck.nether.net>
> Sent: Wed Dec 01 18:10:18 2010
> Subject: [j-nsp] OSPF IMPORT POLICIES
> 
> People,
> 
> Hi,
> 
> We are trying to filter OSPF Internal Routers from being installed into
> the RIB (Routing Table).
> 
> JUNIPER has the correct command to filter input routes.
> 
> set protocols ospf import <policy name>
> 
> But when we create an import policy on our environment ... all the
> internal routes are not filtered and are installed onto the RIB.
> 
> Is there any way to use policy routing to block the internal ospf routes
> to be installed onto the RIB ?
> 
> it is possible to use rib-groups to redirect the ospf internal routes to
> another routing table ?
> 
> Can you please give to me some guide ?
> 
> Thanks a lot,
> 
> Giuliano
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