An ARP cache [1] is a collection of Address Resolution Protocol entries (mostly dynamic), that are created when an IP address is resolved to a MAC address (so the computer can effectively communicate with the IP address). [2]

Jan 15, 2025 · ARP cache entry for IPv4 is an example of a neighbor cache entry. After the entry is successfully created in the neighbor cache, the entry may change to the "Reachable" state if the entry meets certain conditions.

Feb 18, 2008 · How you can use the arp command in Windows, and the show arp and clear arp commands in the Cisco IOS, to help view and troubleshoot the ARP cache.

May 24, 2024 · ARP Cache :-After receiving the MAC address, ARP passes it to the sender where it is stored in a table for future reference. And this is called ARP Cache which is later used to obtain the MAC address.

Mar 9, 2025 · To clear Address Resolution Protocol (ARP) Cache on your Windows computer, you can restart the Routing and Remote Services or use the Command Prompt with netsh Tool.

May 9, 2023 · ARP is a communication protocol that maps IP (Internet Protocol) addresses to MAC (Media Access Control) addresses. Meanwhile, an ARP cache is a collection of ARP …

Apr 7, 2025 · Are you aware that clearing the ARP cache in your system may fix loading problems and connectivity errors? This article will look at how to check and clear the ARP cache in the different operating systems.

May 22, 2024 · ARP cache is a crucial component of computer networking that maps IP addresses to MAC addresses. It operates between Layers 2 and 3 of the OSI model and is essential for communication on a local area network (LAN). ARP cache stores IP-MAC address mappings and improves communication efficiency.

Oct 8, 2019 · An Address Resolution Protocol cache (ARP cache) is a repository for data that is used to connect an IP address to a Media Access Control (MAC) address for a physical machine or device in a local network.

The following tutorial explains how to use the arp command in Windows to view and clear the ARP cache. The Windows operating system maintains an ARP Cache—A table that contains the recent mappings of IP addresses to MAC addresses.