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DHCP DORA Handshake

Watch broadcast discovery, lease offers, client selection, ACK, relay forwarding, and renewal.

Client0.0.0.0Relaygiaddr 10.120.0.1DHCP serverscope 10.120.0.0/24DISCOVERclient state: INIT
Step 1 / 6Client has no usable address yet

A new host starts at 0.0.0.0, so it cannot send a normal unicast request to a known DHCP server. That missing address is what forces the bootstrap sequence to begin with broadcast.

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