The big question we’ve been looking at for the last few weeks is the value of a 2 switch lab topology for prepping Spanning Tree topics for both CCNA and CCNP. I’ll conclude the discussion this week, ...

Those who had an opinion last week were split evenly: CCNA labs need either 2 or 3 switches, and CCNP labs need either 3 or 4. But why? We saw a few opinions floating around the blog last week, but ...

I've got a customer with a Dell switch (power connect 6248 I think) with 3 uplinks to my network. The uplinks are separate layer 3 links, each one being a separate IP block in a separate VLAN on my ...

Cisco’s FabricPath data center Ethernet technology is designed to combine traditional, Spanning Tree-based Ethernet with a next-generation architecture that uses a link-state protocol to allow for ...

On a small network (<250 users) I had a user buy a 5-port Linksys switch and uplink (via 2 cables) to Ethernet ports on the wall. This caused an infinite loop that caused some problems for the site, ...