ip-route

Show routing table

$ ip route

$ sudo ip route add default via gateway_ip

$ sudo ip route add default dev eth0

$ sudo ip route add destination_ip via gateway_ip dev eth0

$ sudo ip route delete destination_ip dev eth0

$ sudo ip route change destination_ip via gateway_ip dev eth0

$ ip route get destination_ip

$ ip route list table 100

ip route [command] [OPTIONS]

ip route manages the kernel routing table. It can add, delete, and modify routes, as well as query which route the kernel will use for a specific destination.

list (or no command)

Display the routing table

Add a new route

Remove a route

Modify an existing route

Change or add if not exists

Show route for a specific destination

Default gateway route

Specify next-hop gateway

Specify output interface

Work with a specific routing table

Routes added are not persistent; use network configuration files for persistence. Multiple routing tables can be used with policy routing. The default table is "main".

ip route is part of iproute2, replacing the deprecated route command.

ip(8), ip-address(8), routel(8)