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ARP Resolution
Step through ARP request, reply, caching, gratuitous ARP, and spoofing
Host A (192.168.1.10)
IDLE
Host B (192.168.1.20)
IDLE
ARP Request
▶
ARP Reply
◀
IP Packet
▶
GARP
◀
Fake ARP
◀
ARP Probe
▶
Step 1 / 9Initial State
Host A wants to send an IP packet to Host B (192.168.1.20). It has the IP address but not the physical MAC address. Before it can build an Ethernet frame, it needs to discover the hardware address. The ARP cache is empty.
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