файл ifcfg-eth0

ifcfg-eth0 (RedHAT)

# Realtek Semiconductor Co., Ltd. RTL-8110SC/8169SC Gigabit Ethernet
DEVICE=eth0
BOOTPROTO=static
BROADCAST=192.168.0.255
HWADDR=00:1B:FC:6A:C1:5C
IPADDR=192.168.0.13
NETMASK=255.255.255.0
NETWORK=192.168.0.0
ONBOOT=yes

INTERFACES (UBUNTU, DEBIAN)

auto eth0
iface eth0 inet static
address 192.168.0.100
netmask 255.255.255.0
network 192.168.0.0
broadcast 192.168.0.255
gateway 192.168.0.1