ARP or Address Resolution Protocol in Windows is responsible for resolving IP addresses to MAC addresses to speed up connection over a local network. So instead of asking the router where a particular ...

As I understand things... An ARP request is a system querying an IP address and asking for the MAC associated with that address. Routers and switches send to MACs not IPs (right?) so they need to know ...

We've got a device on a new, dedicated vlan (the only only other device on it is the SVI from the cisco switch) that is reporting IP conflicts. Code: eth0 IP conflict by 68-EF-BD-21-9E-1A! eth0 IP ...

One useful tool for diagnosing network troubles is the arp command — a tool which allows you to display the IP address to hardware (MAC) address mappings that a system has built so that it doesn’t ...