[ale] DHCPD conf file

Billy Passauer hpassau at emory.edu
Wed Apr 25 09:21:09 EDT 2007


cfowler wrote:
> Is there a way I can tell dhcpd3 to ignore a certain mac?  I use my eth0
> on my laptop as a router for my VOIP phone.  I use a crossover cable
> between my phone and it.  When I turn the phone off and pack on my
> lapopt detects a CAT-5 connection and runs dhclient.  Bamn it gets an IP
> from its own server and then everything is broken.  It is no longer the
> gateway and has nicely replaced /etc/resolv.conf.  I can turn off dhcp
> in the configuration but I also use this interface to connect to
> networks.  I want to simply tell dhcpd.conf is possible that if it
> receives a DHCP request from this interface to ignore it.

Hi Chris,

It's been a long while since I ran a dhcp server, but I think you might 
be able to do what you are wanting with the "deny unknown-clients" 
option in dhcpd.conf  But then you'd probably have to list all of the 
known MACs to make everything else still work.

  ... Billy ...



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