TheDHCP client/server exchangefollows a specific four-step sequence known asDORA:
Discover– Client broadcasts to find available DHCP servers.
Offer– DHCP server responds with an IP address offer.
Request– Client requests the offered IP.
Acknowledgement– Server confirms the lease.
This ensuresdynamic IP configurationand is used in enterprise and home networks.
[Reference:, Nokia IP Fundamentals Guide – DHCP Protocol Operation, RFC 2131 – Dynamic Host Configuration Protocol, , ]
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