Vernetzung mittels TCP/IP Linux statisch

Ip Adresse an Interface binden

binden

• vim /etc/network/interfaces

# The primary network interface
auto  enp0s3
iface enp0s3 inet static
 address 10.81.1.19/19
 gateway 10.81.0.1

auto enp0s8
iface enp0s8 inet static
 address 10.88.19.1/24

auto enp0s9
iface enp0s9 inet static
 address 172.16.19.1/24

auto enp0s10
iface enp0s10 inet static
 address 172.17.19.1/24

hochfahren

• ip link set eth0 up

Route setzen

Defaultroute

• ip route add default via 192.168.240.1

Route zu einem Netz setzen

• ip route add 172.16.6.0/24 via 192.168.240.1

Nameserver

Nameserver eintragen

• echo "nameserver 192.168.240.10" > /etc/resolv.conf

Search Domain

• echo "search hack.lab" >> /etc/resolv.conf

Forwarding einschalten

• sysctl -w net.ipv4.ip_forward=1

Hostname setzen

• hostnamectl set-hostname client.kit.lab

Masquerade

• iptables -t nat -A POSTROUTING -j MASQUERADE -o eth0 -s 192.168.240.67/24