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Try to solve the lab problem in 10 minutes or less.
Enable OSPF in area 0 between router R1 and R2 on their point-to-point links (Se0/1).
- Advertise Loopback0 address of both routers in area 0.
- Use �network� command with the most specific wildcard mask to accomplish the task.
Pic.1
Extra Credit
Take as much time as you need to answer the following questions:
- What are the OSPF modes of operation available in Cisco� IOS�?
- Which OSPF modes are RFC-based and which are Cisco� proprietary?
- Which layer of OSI model would you classify OSPF to?
- OSPF creates three tables. What are these?
- What is OSPF LSDB?
- What does the �link-state� in OSPF describe?
- What is OSPF hello packet and what is/are its purpose(s) in OSPF domain?
- What are the two link-local multicast addresses reserved for OSPF communication?
- What OSPF parameters must match in OSPF packet to establish full adjacency?
- What is the default destination address OSPF uses to send �hello� packets on point-to-point links?
- What are the five packet types OSPF uses to communicate? What do they do?
- Which command would you use to verify OSPF-enabled interfaces (do not use �show run�)?
- Which command would you use to verify the state of the OSPF neighbor?
- What is a �router id� in OSPF?
- How does OSPF selects its �router id�?
- Is OSPF �router id� pre-emptive?
- Can you provide at least three commands to display OSPF router id (what are these)?
- What would happen if you tried to enable OSPF protocol in a router that has not a single IP address configured?
- Which command would you use to display LSDB?
- How many point-to-point links does an OSPF router advertise according to LSDB?
- What are the default timers (hello/dead) used on point-to-point links?
- What is/are other OSPF modes of operation that are compatible with the default one used on p2p links?
- What do you need to configure to make other mode(s) compatible with point-to-point mode?
- Which DBD parameter must match between OSPF neighbors to get past 2-way state?
- What is the type of LSA (name and number) that describes the links to other routers in the same area?
- Which command would you use to display LSDB entries about LSA type 1?
- In case of point-to-point OSPF mode, what does LSDB show as far as the following are concerned (assuming default ospf mode): link connected to, link id, link data?
When you have solved the problem check the hint(s) below:
Lab Hint
- Does the ping from 10.0.1.1 towards 10.0.2.2 work?
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