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 ...

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 ...

You would need to give more info to be sure really, so I will assume she is behind one of those cheap home routers, then XP may have a problem with the DHCP server on that box, or XP just may be hosed ...

In March we introduced the Address Resolution Protocol (ARP), a half-brother to the TCP/IP stack that maps the logical IP address space into the real world of Ethernet hardware addresses. We didn’t ...