Each device that’s connected to a network has its own ARP table, responsible for storing the address pairs that a specific device has communicated with.ĪRP is critical network communication, so pairs of MAC and IP addresses don’t need to be discovered (and rediscovered) for every data packet sent. It’s used to record the discovered MAC and IP address pairs of devices connected to a network. This critical function allows for the discovery of a devices’ MAC (media access control) address based on its known IP address.īy extension, an ARP table is simply the method for storing the information discovered through ARP. ARP (Address Resolution Protocol) is the protocol that bridges Layer 2 and Layer 3 of the OSI model, which in the typical TCP/IP stack is effectively gluing together the Ethernet and Internet Protocol layers.
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May 2023
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