To understand how subnetting works, you first must have a good basic understanding of IP addresses. An IP address is set of binary octets broken into quads. That definition may not have made any sense ...

My book I'am reading IP fundamentals has gotten a bit confusing when getting combining several subnets which uses more bits for it's subnet number into one single subnet such as combining four /24 ...

Cisco launched this feature to the market last month at Interop. In a nutshell, it provides IOS routers with intelligent, identity aware, traffic redirection to the Cisco ScanSafe web security cloud ...