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Layer 3 Technologies - OSPF (v2 and v3) - Implement and troubleshoot network types, area types and router types

4 important questions on Layer 3 Technologies - OSPF (v2 and v3) - Implement and troubleshoot network types, area types and router types

What does the command passive-interface with OSPF? 3

-It does not form adjancency
-it does not send hello's
-directly connected interface will be advertised

What are the OSPF network types and what are the default hello intervals?

-Broadcast 10
-Point-to-point 10
-Nonbroadcast 30
-Point-to-multipoint 30
-Point-to-multipoint non-broadcast 30
-loopback -

What does the command show ip ospf int brief?

show area and state (loopback,P2P,DR/BDR for interface)

R2#show ip ospf int brief
Interface    PID   Area            IP Address/Mask    Cost State Nbrs F/C
Lo0          1     0               2.2.2.2/24         1     LOOP 0/0
Gi1/0        1     0               192.168.2.2/24     1     DR    2/2
Gi0/0        1     10              192.168.1.2/24     1     BDR   1/1

What are the restrictions to create a virtual link? (4)

-One router must be connect with an interface to the backbone area
-Both router must shae another common area, which is used as a transit area
-transit area cannot be a stub area
-transit ares cannot be the backbone area