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 send hello's
-directly connected interface will be advertised
What are the OSPF network types and what are the default hello intervals?
-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
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What are the restrictions to create a virtual link? (4)
-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
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