From: Ian Blaney (ian.blaney@gmail.com)
Date: Fri Nov 10 2006 - 06:21:35 ART
Michael
When an ABR is also an ASBR and is connected to a NSSA the default behavior
is to send redistributed
routes into the NSSA.
With the no-redistribution option redistribution will be turned off on the
ABR/ASBR into the NSSA. The no-summary will send a type 3 default route into
the NSSA and block the flooding of type 3 and type 4 LSAs into the NSSA
I hope the diagram below is readable. R1 is an ABR for the OSPF NSSA area
and also an ASBR for the redistributed RIP routes from R2. The
no-redistribution option will prevent the redistributed RIP routes being
advertised into the OSPF NSSA area.
OSPF
R1 NSSA R3
RIP
R2
Ian
On 11/10/06, Michael Zuo <mzuo@ixiacom.com> wrote:
>
> Hi Group,
>
>
>
> Anyone knows the difference between:
>
>
>
> Area 1 nssa no-summary no-redistribution
>
>
>
> And
>
>
>
> Area 1 stub no-summary
>
>
>
>
>
> To me, they seem to be the same thing...
>
>
>
>
>
> thanks
>
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