Computer Networks ARP Suppose an Ethernet host whose network

(Computer Networks) (ARP) Suppose an Ethernet host whose network parameters are configured as follows. IP address: 137.188.3.14,
subnet mask: 255.255.255.0, gateway address: 137.188.3.1. If the host just has powered-up and would like to send
five IP packets whose destination addresses are 137.188.3.2, 137.188.4.2, 137.188.3.1, 137.188.3.3, 137.188.5.1, and
in that order. At least how many ARP requests should the host have to make? Assume that the addresses obtained
by ARP are cached in the host during the packet transmissions.

Solution

Address Resolution Protocol (ARP)

it is mapped on Internet Protocol Network Address to the hardware address used with a data link protocol

total four types of ARP (Address Resolution Protocol)

1. arp request
2. arp reply
3. rarp request
4. rarp reply

these total process are implemented by a part of the software driver that drives the network interface card.
ARP provides the protocol rules for making this correlation and providing address conversion in both directions.

In five packates destination address

1. 137.188.3.2

2. 137.188.4.2

3. 137.188.3.1

4. 137.188.3.3

5. 137.188.5.1

in five ARP Total three Arp IP address obtained

1. 137.188.3.2

2. 137.188.3.1

3. 137.188.3.3

and more two can not host to request because

they diffrent the mac adress in following ethernet address host network paramenter configured