• Q1. How many routers took part in the captured conversation process? What are their IP addresses, Router-IDs, and the version of the OSPF protocol they used?

Ans: Two routers took part in the captured conversation process.

• Q2. Which link-state routing step(s) were captured in the trace? Explain.

(provide your answer here in red)

• Q3. What protocol was used to deliver OSPF packets? What was the IP address used by the routers to exchange the information? Is it unicast or multicast address?

(provide your answer here in red)

• Q4. Is any of the routers is the Designated Router (DR) or Backup Designated Router (BDR)? Explain and show evidence.

(provide your answer here in red)

• Q5. What is the role of packets 1, 7, 11, 12 and 18? Explain.

(provide your answer here in red)

• Q6. How often the routers need to check if their neighbour routers are alive? Explain and show evidence.

(provide your answer here in red)

• Q7. What LSA types do the routers have in their databases and how they are different? Explain and show evidence.

(provide your answer here in red)

• Q8. What IP networks/subnets and their metrics do the routers have in their databases? Do the metrics indicate the type of links to these networks? Explain and show evidence.

(provide your answer here in red)