The third layer of the OSI Model, the network layer, is where most network engineers focus their time and expertise. As Darragh commented in my post on the data link layer, Layer 2 is cool but Layer 3 ...

I had a great time meeting with a variety of customers at Cisco Live in Orlando back in June. We covered a lot of different topics around data center security. One specific item that came up more than ...

I'm dealing with layer 3 switching for the first time, as part of moving into a new office. A larger organization has given us some space in their building and is giving us access to their corporate ...