Ljubomir Ljubojevic wrote: > as a rule, you should declare ALL subnets in simple form: > > subnet 192.168.2.0 netmask 255.255.255.0 { } > > so ISC DHCP knows about them. Why, I do not know, but it is supposed to > be in newer versions (more strict rules for config file.) Thanks for your response. As far as I can see, my dhcpd.conf satisfies these conditions. But what puzzles me is, what defines the correspondence between interface and network, eg in my case eth1 -> 192.168.2.0/24 Surely this should be there independently of dhcpd ? -- Timothy Murphy e-mail: gayleard /at/ eircom.net tel: +353-86-2336090, +353-1-2842366 s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland