cheat.sheets:ip
# ip
# Show/manipulate routing, devices, policy routing and tunnels.
# Display the current IP addresses and network interfaces
ip addr show
# Display the routing table
ip route show
# Add a new IP address to an interface
ip addr add 192.168.1.100/24 dev eth0
# Delete an IP address from an interface
ip addr del 192.168.1.100/24 dev eth0
# Bring an interface up
ip link set dev eth0 up
# Bring an interface down
ip link set dev eth0 down
# Show network interfaces and link status
ip link show
# Add a new default gateway
ip route add default via 192.168.1.1
# Delete the default gateway
ip route del default
# Flush all IP addresses on an interface
ip addr flush dev eth0
# Change the MAC address of an interface
ip link set dev eth0 address 00:11:22:33:44:55
# Show information about tunnels
ip tunnel show
# Shortcut: Show brief information about IP addresses and devices
ip -brief addr show
# Shortcut: Show brief information about link status
ip -brief link show
cheat:ip
---
tags: [ networking ]
---
# To display all interfaces with addresses:
ip addr
# To take down / up the wireless adapter:
ip link set dev wlan0 {up|down}
# To set a static IP and netmask:
ip addr add 192.168.1.100/32 dev eth0
# To remove a IP from an interface:
ip addr del 192.168.1.100/32 dev eth0
# To remove all IPs from an interface:
ip address flush dev eth0
# To display all routes:
ip route
# To display all routes for IPv6:
ip -6 route
# To add default route via gateway IP:
ip route add default via 192.168.1.1
# To add route via interface:
ip route add 192.168.0.0/24 dev eth0
# To get the route used for an destination
ip route get to 8.8.8.8
# To change your mac address :
ip link set dev eth0 address aa:bb:cc:dd:ee:ff
# To view neighbors (using ARP and NDP):
ip neighbor show
tldr:ip
# ip
# Show / manipulate routing, devices, policy routing and tunnels.
# Some subcommands such as `ip address` have their own usage documentation.
# More information: <https://www.man7.org/linux/man-pages/man8/ip.8.html>.
# List interfaces with detailed info:
ip address
# List interfaces with brief network layer info:
ip -brief address
# List interfaces with brief link layer info:
ip -brief link
# Display the routing table:
ip route
# Show neighbors (ARP table):
ip neighbour
# Make an interface up/down:
ip link set interface up/down
# Add/Delete an IP address to an interface:
ip addr add/del ip/mask dev interface
# Add a default route:
ip route add default via ip dev interface
$
cheat.sh