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→Add IP address to MAC address entry to Host-A and Host-B manually
* On terminal window "T" on Host-B, terminate the "tcpdump" and retype the last tcpdump command.
* On terminal window "C" on Host-A, send two ping packets to Host-B and watch the outputs to Host-A and Host-B's terminal window "T"s. Record your observation for later use.
== Add Adding IP address to MAC address entry mapping entries to Host-A and Host-B manually==
* On terminal window "C" on Host-A only, enter the following commands and record the output for later reference:
arp -s 172.16.<font color="red">x</font>.2 MAC-B (put Host-B's MAC here)
arp -n
* On terminal window "C" on Host-A, send two ping packets to Host-B and record your observation.
==Enable ARP on network interface==
* On terminal window "C" on Host-B, enter the following commands and record your observation:
