Sina Mirtorabi wrote:

> Jason
>
> Acee Lindem wrote:
>
>
>>Jason Chen wrote:
>>
>>
>>>Hi,
>>>
>>>If an NSSA area is attached to an ABR. Does ABR need to originate Type-4
>>>Lsa to other attached area for ASBRs inside the NSSA area ?
>>>
>>Nope. Type 5 LSAs translated from type 7 NSSA LSAs from within the NSSA
>>will always have a forwarding address.
>>
>>
>
> although the above statement is correct ( except the always key word that has
> been corrected ;-) but the real reason is that type 7 has area flooding scope
> and for translated type 7 into type 5, the translator is becoming the
> originator of the LSA thus it needs not to generate any type 4 to its attached
> area ( for itself )

I thought it was self-evident that the translator and the originator are one
in the same. Going one step further, the requirement for a forwarding
address in type 7 NSSAs allows this all to work without the risk of sub-optimal
routing.

>
> Sina
>
>
>>>I think the similar question probably has been discussed long time back
>>>and hope you don't mind I raise it again.
>>>
>>>Thanks,
>>>Jason
>>>
>>>
>

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