On Sun, Jun 13, 2004 at 05:04:47PM -0600, Rodolfo J. Paiz wrote: > At 13:41 6/13/2004, Luciano Miguel Ferreira Rocha wrote: > >On Sun, Jun 13, 2004 at 01:08:32PM -0600, Rodolfo J. Paiz wrote: > >> 1. You *should* configure your dhcpd.conf for every subnet on > >> which your server has an interface even if the DHCP server does not > >assign > >> addresses (i.e. the subnet block does not include a range statement). > > > >No need, you can specify the interfaces that the dhcp server will listen > >on in /etc/sysconfig/dhcpd: > >DHCPDARGS="eth1 eth2" > > Entirely separate and different topics, even though you are correct. In my > case I have eth0 to the Internet and eth1-eth4 to the local networks. I > *do* have dhcpd set to listen on every interface *except* eth0. Wouldn't > want to attempt to serve DHCP to my Internet Service Provider. > > However, what I said above refers to the fact that dhcpd *must* know about > every subnet configured on the box even if it does not assign addresses on > that subnet or listen on that interface. Why? Apparently (according to its > maintainers) matching the subnet with the interface is how it determines > with certainty which address to assign. No, there's no need to have a subnet configured for an interface that the server isn't listening on. It would be a nightmare otherwise, in my case, as the eth2 interface is connected to the internet with a dynamic ip, and it often changes networks. Regards, Luciano Rocha
