ip - show / manipulate routing, devices, policy routing and tunnels
ip addr
ip addr [ add | del ] address dev ifname
Assigning a Static Address Using ip Commands
shell> ifconfig eth0 10.0.0.3
shell> ip address add 10.0.0.3/24 dev eth0
shell> ip addr show dev eth0
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether f0:de:f1:7b:6e:5f brd ff:ff:ff:ff:ff:ff
inet 10.0.0.3/24 brd 10.0.0.255 scope global global eth0
valid_lft 58682sec preferred_lft 58682sec
inet6 fe80::f2de:f1ff:fe7b:6e5f/64 scope link
valid_lft forever preferred_lft forever
shell> ifconfig eth0 192.168.0.77 netmask 255.255.255.0 broadcast 192.168.0.255
shell> ip addr 192.168.0.77/24 broadcast 192.168.0.255 dev eth0
shell> ip addr delete 192.168.0.77/24 dev eth0
Configuring Multiple Addresses Using ip Commands
shell> ip address add 192.168.2.223/24 dev eth1
shell> ip address add 192.168.4.223/24 dev eth1
shell> ip addr
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 52:54:00:fb:77:9e brd ff:ff:ff:ff:ff:ff
inet 192.168.2.223/24 scope global eth1
inet 192.168.4.223/24 scope global eth1
shell> ifconfig eth0:1 192.168.2.223
shell> ifconfig eth0:2 192.168.4.223
shell> ip address add 192.168.2.223/24 dev eth1 label eth0:1
shell> ip address add 192.168.4.223/24 dev eth1 label eth0:2
ip neigh
shell> arp -i eth1 -s 192.168.2.223 00:0c:29:2e:72:81
shell> ip neigh add 192.168.2.223 lladdr 00:0c:29:2e:72:81 nud permanent dev eth1
shell> ip neigh show
shell> ip -6 neigh show
shell> ip link ls
shell> ip route show
shell> ip link ls up
ip route
shell> route
shell> ip route show
shell> ip route get 8.8.8.8
shell> route add -net 192.168.3.0/24 dev eth3
shell> ip route add 192.168.3.0/24 dev eth3
shell> route del -net 192.168.3.0/24 dev eth3
shell> ip route del 192.168.3.0/24 dev eth3
shell> route add -net 192.168.4.0/24 gw 192.168.4.1
shell> ip route add 192.168.3.0/24 via 192.168.4.1
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