ARP in Linux

Command	Description
arp	View the ARP table
arp -a	View the ARP table
arp -n	View the ARP table (don't resolve names)
arp -d <ip>	Delete an entry from the ARP table
arp -s <ip> <mac_address>	Add an entry to the ARP table
arp -i <interface> -s <ip> <mac_address>	Add an entry to the ARP table for a specific interface
arp -i <interface> -d <ip>	Delete an entry from the ARP table for a specific interface
arp -i <interface> -n	View the ARP table for a specific interface
arp -i <interface> -a	View the ARP table for a specific interface
ip neigh show	View the ARP table
ip neigh show <ip>	View the ARP table for a specific IP address
ip neigh add <ip> lladdr <mac_address> dev <interface>	Add an entry to the ARP table
ip neigh change <ip> lladdr <mac_address> dev <interface>	Change an entry in the ARP table
ip neigh del <ip> dev <interface>	Delete an entry from the ARP table
ip neigh flush dev <interface>	Flush the ARP table for a specific interface
ip neigh flush all	Flush the ARP table
ip -s neigh show	Show ARP statistics
ip -s neigh flush all	Flush the ARP cache