DHCP, Dynamic Host
Configuration Protocol, is a communications protocol that dynamically assigns
unique IP addresses to network devices.
Here is how the DHCP process works
1. During the boot
process, a client computer that is configured as a DHCP
client sends out a broadcast packet called DHCPDISCOVER.
client sends out a broadcast packet called DHCPDISCOVER.
2. DHCP servers on the
network respond to the broadcast with a
DHCPOFFER.
DHCPOFFER.
3. The client responds
via a broadcast message called a DHCPREQUEST.
this message basically says, "I accept your lease offer and would like an IP
address.
this message basically says, "I accept your lease offer and would like an IP
address.
4. The DHCP server whose
offer was accepted responds with a DHCPACK
message, which acknowledges the lease acceptance and contains the
client's IP address lease.
message, which acknowledges the lease acceptance and contains the
client's IP address lease.