At home I generally set all switches with a native VLAN of the main LAN and tagged to the guest LAN. I know this is probably not optimal, but I'm wondering how bad it really is? I get that it probably ...

I'm probably missing something super obvious here, but I've kind of hit a stand still. As part of a redesign of our local LAN in my office, we recently went from a number of "chained" 3560-48 (48 * FE ...

The IEEE’s 802.1Q standard was developed to address the problem of how to break large networks into smaller parts so broadcast and multicast traffic wouldn’t grab more bandwidth than necessary. The ...

VLANs break a physical LAN into several logical broadcast domains. Each LAN station hears traffic sent by its own VLAN but receives nothing from stations in other VLANs -- not even from those ...

To begin, we must have a more formal definition of what a LAN is. LAN stands for local area network. Hubs and switches usually are thought of as participating in a single LAN. Normally, if you connect ...

Have you been told that VLANs are the ultimate solution to your network woes? That they’ll magically secure your infrastructure, eliminate complexity, and solve all your traffic management headaches?

In my last blog (which admittedly was a bit long, and verbose) I discussed the changing landscape of Identity Networking. With Identity Networking there are many different ways of controlling network ...