dhcpd: mac-based dynamic ip address picking

Vladislav Grishenko themiron at mail.ru
Sun Jan 30 11:55:07 UTC 2011


Hello,

The idea of this patch taken from dnsmasq:
* the same ip address offering for clients with expired lease (almost
always) without any additional state saving
* prevent the same ip address allocation for different interfaces of the
same station.
 
dumb Windows dhcp-client (win7) ACKs same-subnet IP address, no matter if it
was previously assigned to the other interfaces, and can't assign it to the
current one, even if that different interface is down. 
mac-based allocation makes this "endless discover-offer-request-ack loop"
issue almost impossible.

Best Regards, theMIROn
ICQ: 303357
Skype: the.miron

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