Well, I've managed to get my company to split the cost on an Aruba 1930 24POE switch. So I'm diving into the manual to read how to configure VLANs, Layer 3 routing, and trunking. Oh, wait, a trunk is ...

I have not seen the term term VLAN applied to layer 3 topologies. VLANs (Layer 2) and VPNs (Layer 3) do accomplish the same task, allowing private communication in public networks (each user/group ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Probably the most common network interconnection device in industry networks are layer 2 switches ...

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 ...