Dealt with quite a little clusterf*** today with TimeWarner Cable on their "business" side. We brought up an NNI with them on Friday and I had someone at a customer site trying to turn up our first ...

Ethernet devices running the Spanning Tree Protocol (STP) have been implemented in networks since the early 1990s. Many organizations take STP for granted and do not configure it per industry best ...

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 ...

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, ...