Stub Area, Totally Stubby Area, NSSA, Totally NSSA configuration
- Malik Zaib
- Mar 4, 2018
- 1 min read
Stub Area Configuration:
When you are configuring Stub Area:
Area must not be Area 0
No virtual link would be configured in stub Area
Stub would be configured on all routers in that Area
Rx(config)#router ospf 1
Rx(config-router)#area 10 stub *on all stub area routers
Totally Stubby Area Configuration:
On internal routers:
Rx(config)#router ospf 1
Rx(config-router)#area 10 stub
On Area Border Router (ABR):
ABR(config)#router ospf 1
ABR(config-router)#area 10 stub no-summary
Not So Stubby Area (NSSA) Configuration:
On Internal Routers:
Rx(config)#router ospf 1
Rx(config-router)#area 10 nssa
On Area Border Router (ABR):
ABR(config)#router ospf 1
ABR(config-router)#area 10 nssa default-information originate
Totally NSSA Configuration:
On Internal Routers:
Rx(config)#router ospf 1
Rx(config-router)#area 10 nssa
On Area Border Router (ABR):
ABR(config)#router ospf 1
ABR(config-router)#area 10 nssa no-summary
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