Veerendranath,
On 18/08/2020 16:40, Veerendranatha Reddy V wrote:
Hi Authors, All,
OSPF Extended Prefix Range TLV defined in RFC 8665 has IA flag to
distinguish between Intra and Inter Area scope prefixes.
Whether any restrictions to not to use Prefix Range TLV for
external/NSSA prefixes ?
I don't see how you can use OSPF Extended Prefix Range TLV for NSSA, the
usage of OSPF Extended Prefix Range TLV has only been defined in the
context of RFC 8665.
thanks,
Peter
For External Prefixes, we can able to use Prefix Range TLV by using
LSA type (based on AS scope Opaque Type , so the TLV is for External
Prefixes)
But If we need to use the Prefix Range TLV for NSSA prefixes (Type-7) ,
which are in area scope, there is no flag/route-type field in this TLV
to distinguish between Intra or NSSA prefixes( as IA flag will not be
set anyway).
Thanks & Regards,
Veerendranath
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