"DHCPACK on" vs "DHCPACK to"

Judson Bishop judson.bishop at eamc.org
Tue Dec 30 17:25:05 UTC 2008

I am writing a SyslogScan::Daemon plugin for NAT rule updates and have a
question concerning DCHPACK in the log file.

Is it correct that "DHCPACK to" is for a new lease and "DCHPACK on" is for a

Also, I am testing on isc-dhcpd-V3.0.5 and looked through the code for 4.1.0
and only saw "DHCPACK to."  Has the logging verbiage changed in the 4.X

Here is an example:
Dec 30 10:16:53 ns1 dhcpd: DHCPACK to (00:06:5b:2a:b8:73) via
Dec 30 10:16:55 ns1 dhcpd: DHCPACK on to 00:12:cf:74:86:e0
(2sxm12) via
Dec 30 10:16:55 ns1 dhcpd: DHCPACK on to 00:12:cf:74:86:f0
(2sxm9) via
Dec 30 10:16:58 ns1 dhcpd: DHCPACK to (00:12:3f:7e:17:52) via

Thanks for your help.

Jud Bishop

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