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BoyanXu/DHCP

Created October 7, 2022 05:57
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DHCP
Raw
DHCP
Server Client Server
(not selected) (selected)
v v v
| | |
| Begins initialization |
| | |
| _____________/|\____________ |
|/DHCPDISCOVER | DHCPDISCOVER \|
| | |
Determines | Determines
configuration | configuration
| | |
|\ | ____________/ |
| \________ | /DHCPOFFER |
| DHCPOFFER\ |/ |
| \ | |
| Collects replies |
| \| |
| Selects configuration |
| | |
| _____________/|\____________ |
|/ DHCPREQUEST | DHCPREQUEST\ |
| | |
| | Commits configuration
| | |
| | _____________/|
| |/ DHCPACK |
| | |
| Initialization complete |
| | |
. . .
. . .
| | |
| Graceful shutdown |
| | |
| |\ ____________ |
| | DHCPRELEASE \|
| | |
| | Discards lease
| | |
v v v
Figure 3: Timeline diagram of messages exchanged between DHCP
client and servers when allocating a new network address
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