ARP (Address Resolution Protocol) - Address Resolution Analysis
The ARP protocol is a TCP/IP protocol that obtains physical addresses based on IP addresses.
When PC1 wants to communicate with PC2, it needs to know the IP address and MAC address of PC2 at the same time, which is equivalent to knowing both the "room number" (equivalent to IP) and the "resident's ID number" (equivalent to MAC address). ), so as to ensure accurate
Communication.
