ip [OPTIONS] OBJECT [COMMAND] ip addr show dev eth0 ip addr add 192.168.1.42 dev eth0:1 ip link set up dev eth1 route add -net 192.168.42.0/24 gw 192.168.1.99 ip route add 192.168.42.0/24 via 192.168.1.99 default via 192.168.2.1 dev eth0 route add -net 192.168.42.0 netmask 255.255.255.0 gw 192.168.1.254 dev eth1 192.168.2.67 ether 00:80:77:b8:1f:f6 C eth0 192.168.2.67 dev eth0 lladdr 00:80:77:b8:1f:f6 REACHABLE ping 192.168.1.99 ping -i 0.5 192.168.1.99 ping -l NN 192.168.1.99 traceroute -m 35 linuxpromagazine.com traceroute -i eth1 -s 192.168.1.100 dig hostname dig @8.8.4.4 www.linuxpromagazine.com dig MX linuxpromagazine.com