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 ...

If you have access to a second computer on the network, use that to ping the IP address in question to see if it is currently active on the network before booting your system with that address. Typing ...

Layer 2 of the OSI model is where we find the Data Link Layer, which provides the mechanism by which data is transferred from node to node across a network. What makes this layer important is that it ...

When your computer first connects to a nework, it sends out a request on the network to lease an IP from the router. The router then leases your computer an unused IP address, which is used as a ...