Toshiba E-STUDIO190F Service Manual page 286

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