ARPCache
ARPCache refers to the memory-resident table that stores recently learned mappings between IP addresses and MAC addresses used by the local network stack to deliver packets on a link layer. It is part of the Address Resolution Protocol (ARP) mechanism, which resolves IPv4 addresses to hardware addresses on a local network segment.
How it works: When a host needs to send a packet to an IPv4 address on the
Lifetime and maintenance: ARP cache entries are dynamic and typically have a limited lifetime, governed by
Security considerations: ARP is unauthenticated, making ARP caches vulnerable to spoofing or poisoning attacks, where a
Administration: Common tasks include viewing and modifying the cache. Windows users can use arp -a to display