Hi Taqdir,
What if your ASBR cannot access a normal area and has a link only to a stub
area? Then there is no way to get the Type 5 LSA into that stub area. In this
situation, you need to inject the Type 7 from the ASBR which is then converted
to Type 5 on the ABR connecting to your other OSPF areas in your AS. That is if
the P-bit is on then Type 5 conversion occurs.
[RIP Router] <----> [OSPF Stub Area] <---> [Normal Area]
Cheers!
Antonio
Date: Thu, 13 Aug 2009 21:36:24 -0700
From: [email protected]
To: [email protected]
Subject: [OSL | CCIE_RS] OSPF NSSA Area
Could any1 clear the concept of nssa ?
books say we need nssa , because stuby areas do not support type 5 LSA..so we
have special area called NSSA which generates type 7 LSA.. but why we need it
... same thing .. I can add my ASBR in normal area and do whatever I want to do
?
Taqdir Singh
91-9911709496
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