How can I setup very detailled log for DHCPD ?

Glenn Satchell Glenn.Satchell at
Fri Jun 9 15:11:01 UTC 2006

>Date: Fri, 09 Jun 2006 16:18:12 +0200
>From: Sébastien CRAMATTE <s.cramatte at>
>To: dhcp-users at
>Subject: How can I setup very detailled log for DHCPD ?
>How can I setup very detailled log for DHCPD ? Maybe I need to recompile 
>it ?
>I'm currently working on Freevps project that allow to install DHCP 
>server inside Virtual Private Server.
>Sometimes in DHCP log appear  this error
>Jun 5 14:44:59 dhcp-modems dhcpd: DHCPACK on xx.xx.xx.xx to 
>00:00:00:00:00:00 via eth43
>Jun 5 14:46:59 dhcp-modems dhcpd: receive_packet failed on eth43: 
>Network is down
>So we believe that this is due to VPS Mac Address problem. Free vps 
>generate a new random Mac Address on each VPS start.
>So if dhcp relay or dhcp clients send data to the old Mac Address. I 
>will try to force static Mac Addresss in each VPS  that use DHCPD.
>We could test it like ut it should be far better to have very detailled 
>log  to understand all.
>When I compile the DHCPD 3.0.4 ./configure script seems that doesn't 
>allow to add debug informations.
>Thanks for your help
Hi Sébastien

Have a look at includes/site.h - there are lots of variables there that
control various debugging capabilites.


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