From: Vijay Venkatesh (vijay.venkatesh@xxxxxxx)
Date: Fri Apr 06 2001 - 19:48:59 GMT-3
You need to read up on ospf and lsa types lsa type for nssa is 7 and
lsa type for virt link is 5. These two do not mix.
Vijay.
Jerry Hutcheson <jhutches@cisco.com> wrote:
> I encountered a problem where I had a NSSA area that was not adjacent to
Area 0. So I created a virtual link to attain my adjancency. The virtual link
came up.
>
> However my routes to the NSSA area never got forwarded, I tried everything
with no luck. Finally I noticed that the link between the two routers in the
NSSA were a VLSM with a /25 mask. So I changed this to a /24.
>
> As soon as I did this all the routes were pulled into the NSSA router. I
went back and made the address a /25 again and once again the routes were
gone. Then I tried summarizing using area range and, summary address. But that
did not work.
>
> My question is. Are there any specific rules to the use of Virtual Links or
NSSA that anyone knows of that pertain to the addressing/mask? I have searched
the doc and I have found nothing.
>
> Area 0
> R1 Area 1
> |
> |
> |
> | Area 1
> R2 Area 2 NSSA
> |
> | /25 mask on link between 2 and 3
> |
> R3 Area 2 NSSA
>
>
> thanks,
>
> Jerry
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