What are the steps in a DHCP connection?
What will be an ideal response?
DHCP will appear again and again in the material, so it is important to revisit it regularly.When a device attempts to register with a DHCP server, the following occurs:
1) Discovery:Client sends a UDP packet DHCPDISCOVER to 255.255.255.255 (or to a specified subnet).
2) Offer:DHCP server receives the request, chooses an available IP address, leases it to the client for a set amount of time, and sends a DHCPOFFER packet to the client's MAC address.
3) Request: Client will choose one of the offers from a DHCP server (many may respond) and unicast (or sometimes broadcast) a DHCPREQUEST message to accept the lease.Other DHCP servers will know to recall their offers because of the DHCP server ID in the DHCPREQUEST packet.
4) Acknowledgment: When the DHCP server receives the DHCPREQUEST packet from the client, it sends a DHCPPACK packet with lease and configuration information.The client must now use ARP to prevent any IP conflicts from overlapping pools of IP addresses across different DHCP servers.
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