An administrator has an AOS-CX switch configured with: router ospf 1 area 0 area 1 stub no-summary It is the only ABR for area 1. The switch has the appropriate adjacencies to routing switches in areas 0 and 1. The current routes in each area are: Area 0: 5 routes (LSA Type 1 and 2) Area 1: 10 routes (LSA Type 1 and 2) External routes: 2 (LSA Type 5) Based on the above configuration, how many OSPF routes will routing switches see in Area 1?

Question

An administrator has an AOS-CX switch configured with: router ospf 1   area 0   area 1 stub no-summary It is the only ABR for area 1. The switch has the appropriate adjacencies to routing switches in areas 0 and 1. The current routes in each area are: Area 0: 5 routes (LSA Type 1 and 2) Area 1: 10 routes (LSA Type 1 and 2) External routes: 2 (LSA Type 5) Based on the above configuration, how many OSPF routes will routing switches see in Area 1?

Quizplus · Accepted Answer

The switch is an ABR for area 1 and has the "stub no-summary" option configured. This means that only Type 1 and Type 2 LSAs will be advertised into area 1. There are 10 Type 1 and Type 2 LSAs in area 1, so routing switches in area 1 will see 11 OSPF routes (10 from area 1 and 1 from area 0).

An Administrator Has an AOS-CX Switch Configured With: Router Ospf