В общем так:
1. /etc/default/dhcp3-server :
# Defaults for dhcp initscript
# sourced by /etc/init.d/dhcp
# installed at /etc/default/dhcp3-server by the maintainer scripts
#
# This is a POSIX shell fragment
#
# On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
# Separate multiple interfaces with spaces, e.g. "eth0 eth1".
INTERFACES="eth1"
2. А вот sislod по dhcp по мере чтения:
Apr 24 10:58:23 asosh2 dhcpd: Internet Systems Consortium DHCP Server V3.0.5
Apr 24 10:58:23 asosh2 dhcpd: Copyright 2004-2006 Internet Systems Consortium.
Apr 24 10:58:23 asosh2 dhcpd: All rights reserved.
Apr 24 10:58:23 asosh2 dhcpd: For info, please visit
http://www.isc.org/sw/dhcp/Apr 24 10:58:23 asosh2 dhcpd: Wrote 0 leases to leases file.
Apr 24 10:58:23 asosh2 dhcpd:
Apr 24 10:58:23 asosh2 dhcpd: No subnet declaration for eth1 (192.168.100.2).
Apr 24 10:58:23 asosh2 dhcpd: ** Ignoring requests on eth1. If this is not what
Apr 24 10:58:23 asosh2 dhcpd: you want, please write a subnet declaration
Apr 24 10:58:23 asosh2 dhcpd: in your dhcpd.conf file for the network segment
Apr 24 10:58:23 asosh2 dhcpd: to which interface eth1 is attached. **
Apr 24 10:58:23 asosh2 dhcpd:
Apr 24 10:58:23 asosh2 dhcpd:
Apr 24 10:58:23 asosh2 dhcpd: Not configured to listen on any interfaces!
***
Apr 24 11:03:42 asosh2 NetworkManager: <WARN> nm_dhcp_manager_get_state_for_device(): dhcdbd not running!
вот
***
root@asosh2:~# /etc/init.d/dhcp3-server start
* Starting DHCP server dhcpd3 [fail]