Panasonic DP-8020E Service Manual page 454

Following figure shows the timeline diagram of messages exchanged between DHCP client and servers
when allocating a new network address.
Determines
configuration
Following figure shows the timeline diagram of messages exchanged between DHCP client and servers
when reusing a previously allocated network address.
Locates
configuration
Ver. 1.0
Server
(not selected)
Begins initialization
DHCPDISCOVER
DHCPOFFER
Selects configuration
DHCPREQUEST
Initialization complete
Graceful shutdown
Timeline diagram of messages exchanged between DHCP client and servers
when allocating a new network address
Server
Begins initialization
DHCPREQUEST
DHCPACK
Initialization complete
DHCPACKS ignored
Timeline diagram of messages exchanged between DHCP client and servers when
reusing a previously allocated network address
Client
(selected)
DHCPDISCOVER
DHCPOFFER
Collects replies
DHCPREQUEST
DHCPACK
DHCPRELEASE
Client Server
DHCPREQUEST
DHCPACK
Subsequent
454
Server
Determines
configuration
Commits configuration
Discards lease
Locates
configuration
DP-8020E/8020P/8016P
SEP 2006