Статический ip адрес.

vi /etc/network/interfaces

# The primary network interface

auto eth0

iface eth0 inet static

address 192.168.17.245

netmask 255.255.255.0

network 192.168.17.0

broadcast 192.168.17.255

gateway 192.168.17.1

vi /etc/resolv.conf

domain company.local
search company.local company.local. corp.
nameserver DNS ip address
nameserver DNS#2 ip address