To use the arp command, we must install the net tools. The arp command is present in the net-tools package. Different machines are added/connected to a local server, which can be configured using the IPv4 network interfaces to modify the IP address to the mac address. What is an arp Command in Linux?Īn arp is part of the net-tools package, a powerful networking tool to convert the IP address to a mac address. However these table are the current entries and they get aged out. Let’s start with understanding the arp command utility. You can see the current arp table with show arp or for IPv6 show ipv6 neighbors. The arp command performs several powerful functions with a single command. This command helps resolve a different machine’s IP address to the mac address by creating a connection with the network interface. The arp (Address Resolution Protocol) command in Linux shows and modifies the Kernel network interface cache.
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