Message Types

• 1: DHCPDISCOVER

• • Sender: Client
  • Use: Discover DHCP servers

• 2: DHCPOFFER

• • Sender: Server
  • Use: Inform clients of server presence and conditionally offer an IP address

• 3: DHCPREQUEST

• • Sender: Client
  • Use: (1) Accept an offer from a server, (2) confirm an allocation after reboot, (3) renew a lease

• 4: DHCPDECLINE

• • Sender: Server
  • Use: Indicate that the requested IP address is already allocated to another host