# ip neighbour

> Neighbour/ARP tables management IP subcommand.
> More information: <https://manned.org/ip-neighbour.8>.

- Display the neighbour/ARP table entries:

`ip neighbour`

- Remove entries in the neighbour table on device `eth0`:

`sudo ip neighbour flush dev {{eth0}}`

- Perform a neighbour lookup and return a neighbour entry:

`ip neighbour get {{lookup_ip}} dev {{eth0}}`

- Add or delete an ARP entry for the neighbour IP address to `eth0`:

`sudo ip neighbour {{add|del}} {{ip_address}} lladdr {{mac_address}} dev {{eth0}} nud reachable`

- Change or replace an ARP entry for the neighbour IP address to `eth0`:

`sudo ip neighbour {{change|replace}} {{ip_address}} lladdr {{new_mac_address}} dev {{eth0}}`