[plug] dhcp networking

[Craig Ringer]

> Also, you could cheat and install a DHCP server on your own computer,
> which will in fact answer queries from itself - having found this out
> the hard way :-( -  but if you go down that line you're on your own
> because multiple DHCP servers is a nightmare waiting to happen...

I have pretty good results with two DHCP servers, actually. One, 
however, is only allowed to reply to requests for known static 
addresses, and is mainly used as a fallback for our thin clients.

I wouldn't use multiple general purpose DHCP servers.

Craig Ringer