TCP/IP Protocol Suite 4th Edition by Behrouz Forouzan

Exercise 5

A router with IP address 125.45.23.12 and Ethernet physical address 23:45:AB:4F:67:CD has received a packet for a host destination with IP address 125.11.78.10 and Ethernet physical address AA:BB:A2:4F:67:CD.
a. Show the entries in the ARP request packet sent by the router. Assume no subnetting.
b. Show the entries in the ARP packet sent in response to part a.
c. Encapsulate the packet made in part a in a data link frame. Fill in all the fields.
d. Encapsulate the packet part b in a data link frame. Fill in all the fields.