Coba IP nya dibuat manual mas,
edit file /etc/network/interface
#nano /etc/network/interfaces
auto eth0
iface eth0 inet static
address 192.168.0.101
netmask 255.255.255.0
gateway 192.168.0.254
dns-nameservers 202.162.205.237
dns-search ns1.bdl.nusa.net.id
##isi aja sesuai kondisi jaringan disana##
Ctrl+O
#/etc/init.d/networking restart
Kalau maksudnya om sangbiru, itu ngedit file dhcp server di routernya. bener g' om..
