Troubleshooting is about three big things: predicting what can happen, determining the anomalies, and investigating why that anomalies happened. Many network admins break down network infrastructure problems by analyzing the…

The 2960G is a great gig switch that is being pulled from corporations and flooding the grey market. The switch is great for home lab use etc. Most people do…

if you spend any time working on networks you are going to come across the need to identify a device connected to a port on a switch. I use primarily…

If you work with Cisco gear then you need to keep your code updated to stay ahead of security pugs with IOS etc.  I always forget a command or 2…

Recently I needed to disable proxy settings on windows machines in a network. I was trying to remove an old proxy based web content filter (eeewww).  I know it is…

I am sure you have installed a GBIC in a Cisco switch that was not manufactured by Cisco. and your switch no doubt shut down the SFP port and gave…

I have had many people ask me about commands on switches and I was going to make a cheat sheet but Erik Rodriguez did such a nice job I am…

Most domain admins these days are following the very smart practice of using a normal user account for their day to day work and another for their domain admin tasks.…

As most everyone has heard SSL 2.0 has been compromised. Most PCI certification authorities are requiring SSL 2.0 to be disabled. I am sure with poodle SSL 3.0 is not…

Many times I came across one issue… how to grant access to CLI (Command Line Interface) on Cisco devices without creating separate username and password for each user on each…