NSSA – Networking & Security

OSPF NSSA

30 Aug 201820 Dec 2018 by Farhan Siraj Patel, posted in Routing

In the topology above, routers R1 and R2 are the ABRs interfacing with backbone area 0 Area 1 in this topology has been configured as NSSA this time. My earlier topology referenced a Totally NSSA area. As mentioned earlier, NSSA configuration in OSPF allows redistribution to occur within the NSSA area. … Continue reading OSPF NSSA

Totally NSSA Area – OSPF

10 Jun 201820 Dec 2018 by Farhan Siraj Patel, posted in Routing

This blog will discuss the benefits derived by configuring OSPF area type as Totally NSSA OSPF Area type NSSA and Totally NSSA both allow redistribution within the NSSA area. Such redistribution creates Type 7 LSAs which are converted to Type 5 LSA by the ABR. Referencing the topology above, R1 or R2 which serve as … Continue reading Totally NSSA Area – OSPF