OSPF not-so-stubby area

• Stubby but with ASBR in area.
• Redistribution connected or otherwise.
• No external LSA coming in but allow external LSA out.
• Redistributed routes (OSPF external routes or Type 5) are converted to Type 7 at the ASBR.
• No virtual-link is allowed in the stubby or NSSA.
• The ABR converts them back to type 5.
• The ABR will not advertise a default into the stub area.
• area 1 nssa ? must be configured on all routers in the area.
• NEED: AREA 2 COST 10 [or the cost will be 1]
• WARNING: ONLY THE ROUTER WITH HIGHEST ROUTER-ID DOES THE CONVERSION LSA 7 TO 5, so make sure that this router is also the ABR.
• Type 1 & 2 [intra-area]
• Type 3 & 4 [inter-area]
• No Type 5 [externals]
• Type 7 [N1-N2]
• Does NOT creates a default route [will need: area 2 nssa default-information originate].