I am amazed by the number of networks that I encounter that do not have optimal spanning tree configurations. I first read Radia Perlman’s book “Interconnections” back in 1994. I am amazed that 15 ...

As computer networks get bigger, it becomes increasingly hard to keep track of the flow of data over this network. How do you route data, making sure that the data is spread to all parts of the ...

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, ...

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 ...

Spanning Tree Protocol is the tried and tested method for providing path redundancy while eliminating loops in bridged networks. Spanning Tree Protocol, supported on most bridges and switches, is the ...