It is my belief that the P bit is unmodifiable. Type 7's are advertised as 5's to the
OSPF domain in almost if not all manufacturers equipment. Although some texts allude
to the fact that you can control this behavior with a nob, I've never seen it.
Pete
*********** REPLY SEPARATOR ***********
On 11/23/2000 at 4:54 PM Simon Hope wrote:
>Hi guys / gals,
>
>Here is an interesting problem that I am struggling with at present
>
>Area 4 of my OSPF network is configured as NSSA and has 3 routers in it.
>
>Router 1 is the ABR that connects to the backbone, Router 2 is the ASBR that
>is redistributing some IGRP networks into area 4 and Router 3 is just an
>internal area 4 router. They are connected together over one ethernet.
>
>I would like to set the "P" bit on the type 7 LSA's that the ASBR produces
>to zero, so that the ABR (r1) will NOT convert these to Type 5's and NOT put
>them into the backbone (see Doyle, p483 if you dont know what I mean)
>
>the closest command I can come up with is the "area 4 nssa no-redistribute"
>, which I thought would work when I typed it in on R2 (the ASBR) - but this
>seems to block the production of the type 7 LSA altogether, so that R1 and
>R3 can no longer see the IGRP routes at all
>
>If I type the "area 4 nssa no-redistribute" on the ABR (R1) then this has no
>effect whatsoever, and the type 7 routes still get converted to type 5, and
>flooded into the backbone. Doyle says this command should be implemented on
>the ASBR not a seperate ABR so this doesn't surprise me too much
>
>Does anyone know how to do this?
>
>
>
>
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