ip-neighbour

Neighbour/ARP tables management IP subcommand.

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• 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}

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