• In VLSM – Part 1, we looked at a quick way to do VLSM. This time, we’ll look at some more VLSM exercises, as well as examples in which VLSM won’t solve the problem. Of...

  • As I sit here 34,000 feet up in the air right now, I’m deciding to deviate slightly from the NAC discussion and bring up something very new and interesting, namely changes with Cisco Security Products....

  • Welcome back! In this installment, we’re going to examine VLSM (Variable-Length Subnet Masking, RFC 1878), and how to use the subnetting shortcuts to solve VLSM problems. I’m sure that it won’t surprise you to know that we’ll need the powers of two chart: n = 8 7 6 5 4 3 2 1 2n = …   Read More

  • How many of you have ever used CME B-ACD (Basic Automatic Call Distribution)? This is a very popular feature within Cisco Unified CME for locations that don’t have the luxury of either having a Cisco...