TCP/IP Protocol Suite 4th Edition by Behrouz Forouzan

Exercise 12

Assign IP addresses to networks and routers in Figure 11.26. Now do the following:
a. Show the OSPF hello message sent by router C.
b. Show the OSPF database description message sent by router C.
c. Show the OSPF link state request message sent by router C.
Figure 11.26 Example of an AS and its graphical representation in OSPF