cmdref.net is command references/cheat sheets/examples for system engineers.
| Cloud |
|---|
| Etc |
|---|
| Reference |
|---|
ip - show / manipulate routing, devices, policy routing and tunnels
# ip help
Usage: ip [ OPTIONS ] OBJECT { COMMAND | help }
ip [ -force ] -batch filename
where OBJECT := { link | addr | addrlabel | route | rule | neigh | ntable |
tunnel | maddr | mroute | mrule | monitor | xfrm | token }
OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] | -r[esolve] |
-f[amily] { inet | inet6 | ipx | dnet | link } |
-o[neline] | -t[imestamp] | -b[atch] [filename] |
-rc[vbuf] [size]}
# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 08:00:27:8a:a9:64 brd ff:ff:ff:ff:ff:ff
inet 192.168.0.14/24 brd 192.168.0.255 scope global eth0
inet6 2408:12:760:2800:a00:27ff:fe8a:a964/64 scope global dynamic
valid_lft 2591921sec preferred_lft 604721sec
inet6 fe80::a00:27ff:fe8a:a964/64 scope link
valid_lft forever preferred_lft forever
# ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 08:00:27:8a:a9:64 brd ff:ff:ff:ff:ff:ff
# ip route 192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.14 169.254.0.0/16 dev eth0 scope link metric 1002 default via 192.168.0.1 dev eth0
#ip route show # ip route add default via 192.168.10.1 # ip route add 192.168.100.10/32 via 192.168.10.1 dev eth0 <- host # ip route add 192.168.100.0/24 via 192.168.10.1 dev eth0 <- network # ip route del default # ip route add default via 192.168.10.1 # ip route del 10.0.3.0/24
# ip neigh fe80::212:e2ff:fe70:d100 dev eth0 lladdr 00:12:e2:70:d1:00 router STALE 192.168.0.1 dev eth0 lladdr 10:6f:3f:63:c5:d1 STALE 192.168.0.150 dev eth0 lladdr 14:fe:b5:9c:77:f9 DELAY
# ip -f inet addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
inet 127.0.0.1/8 scope host lo
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
inet 192.168.0.14/24 brd 192.168.0.255 scope global eth0