I think I had already tried this. Anyway this is what I got now and it is working. Now, both thin clients and regular PCs (wired and wireless) have internet access. Here's the file: *********************************** authoritative; subnet <a href="http://192.168.0.0">192.168.0.0</a> netmask <a href="http://255.255.255.0">255.255.255.0</a> {   range <a href="http://192.168.0.20">192.168.0.20</a> <a href="http://192.168.0.250"> 192.168.0.250</a>;   option domain-name-servers <a href="http://200.9.176.5">200.9.176.5</a>,<a href="http://192.188.59.2">192.188.59.2</a>;   option broadcast-address <a href="http://192.168.0.255">192.168.0.255</a> ;   option routers <a href="http://192.168.0.2">192.168.0.2</a>;   option subnet-mask <a href="http://255.255.255.0">255.255.255.0</a>;   if substring( option vendor-class-identifier, 0, 9 ) = "PXEClient" {     filename "/ltsp/i386/pxelinux.0";   }   else{     filename "/ltsp/i386/nbi.img";   }   option root-path "/opt/ltsp/i386"; } *********************************** -- Javier Tibau