Re: ospf not accepting default route throu NSSA ?

From: Bill Carter (bcarter@xxxxxxxxxxxxxx)
Date: Thu Aug 19 1999 - 22:31:28 GMT-3


   
Reboot. Several on this list had the same problem. For me, it wouldn't
work until I rebooted.

George Harizanov wrote:

> Hi Garrin....
>
> I experienced the same problem today while playing with OSPF.
>
> As you said if the area is normal (not NSSA ) it injects the default from Rip
. If it is
>
> NSSA it doesn't. I searched here and there but nothing so far.
>
> I definitaley would like to clear this up..
>
> Anybody any suggestions ?
>
> Tnanks
>
> George
>
>
>
> Has anyone had experience with or seen the following:
>
> Area 0 is connected to Area 10 which is configured as an NSSA. There is an
> ASBR inside area 10 running RIP on the other side. We want to take a RIP
> default route, bring it into OSPF area 10, and then redistribute it into
> Area 0.
>
> We have seen the following:
> When Area 10 is configured as an NSSA, non-default RIP originated routes
> redistribute fine as OSPF type N2 routes into Area 10, and eventually as
> type E2 into the backbone
> Default RIP originated routes will not propagate into Area 0 as OSPF routes
>
> When Area 10 is configured as just a normal non-backbone area the default
> route from RIP propagates just fine into Area 0.
>
> So, the question is.... Making an area an NSSA is meant to restrict what
> enters that Area, but does it also affect what leaves that area into area 0,
> specifically default routes.
>
> We have searched Doyle's and Moy's book and no mention of this issue.
>
> Anyone have any similar experiences or comments?
>
> Thanks
> Garrin
>
>



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