I'm confused, you are running PFsense 1.2-Beta-1 and you're posting this 
to the m0n0wall mailing list? Call me silly, but I don't know if we will 
be able to help. ;-)

Alex M wrote:
> Hi,
>
> I got to the office today and had like 200 trouble calls and all red status
> notifications. All our mono boxes have failed this night. :-( They all
> located in different locations and all had the same syndrome where you can
> not communicate to the interface. Mono assigns one same ip to every comp
> connecting and makes the conflict. Also IP renew takes like 5 min to do.
> Rebooting did solve the issue but when I went to system log I didn't find
> any error at all .
>
>  
>
> Can some one tell me what could happen? How can I find the problem and
> prevent it in the future? 
>
> I have no idea where to start :-(
>
>  
>
> I'm running PFsense 1.2-Beta-1
>
>  
>
> Tnx!
>
>
>