Pat:

> Alex,

> Most implementations of NSSA are relatively new. I don't think it is a
> problematic to ask implementors to make sure that this bit is always set
> until they implement this feature.

I don't think anyone wants to spend a night troubleshooting
an OSPF network that has permanent loops just because there is
a not-so-well-known or out-of-business-by-now OSPF implementation
that does not set this bit.

> At that time they will change it so it is always clear.

> As a stop-gap we could create a parameter which
> would force the N/P-bit set in the router LSA, thus disabling the
> copying of non-zero forwarding addresses until all routers in the NSSA
> support this feature.

Didn't get... whose router-LSA is this? An NSSA ABR's?

Alex.

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