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1. Lease
Request - The client sends a broadcast requesting an IP address
2. Lease
Offer - The server sends the above information and marks the offered address
as unavailable. The message sent is a DHCPOFFER broadcast message.
3. Lease
Acceptance - The first offer received by the client is accepted. The
acceptance is sent from the client as a broadcast (DHCPREQUEST message)
including the IP address of the DNS server that sent the accepted offer. Other
DHCP servers retract their offers and mark the offered address as available and
the accepted address as unavailable.
4. Server
lease acknowledgement - The server sends a DHCPACK or a DHCPNACK if an unavailable
address was requested.
DHCP discover
message -
The initial broadcast sent by the client to obtain a DHCP lease. It contains
the client MAC address and computer name. This is a broadcast using 255.255.255.255
as the destination address and 0.0.0.0 as the source address.
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