DHCP w Ubuntu 16,04, 18,04

Przykłady plików konfiguracyjnych:

/etc/network/interfaces

auto lo
iface lo inet loopback

# The primary network interface
auto enp0s3
iface enp0s3 inet dhcp

# Druga karta sieciowa dla LAN
auto enp0s8
iface enp0s8 inet static
address 192.168.100.1
netmask 255.255.255.0
/etc/dhcp/dhcpd.conf

option subnet-mask 255.255.255.0;
default-lease-time 600;
max-lease-time 7200;
option domain-name-servers 192.168.6.1, 8.8.8.8;
authoritative;

subnet 192.168.100.0 netmask 255.255.255.0 {
range 192.168.100.100 192.168.100.200;
option broadcast-address 192.168.100.255;
option routers 192.168.100.1;

host Mariusz {
hardware ethernet 00:1f:29:02:04:34;
fixed-address 192.168.100.200;
}
host Window7 {
hardware ethernet 08:00:27:74:ff:b7;
fixed-address 192.168.100.150;
}
/etc/rc.local

iptables -P FORWARD ACCEPT
iptables -t nat -A POSTROUTING -s 192.168.100.0/24 -d 0.0.0.0/0 -j MASQUERADE
exit 0
/etc/sysctl.conf

net.ipv4.ip_forward=1

dla informatyka