Spanning tree protocol is an essential function of Ethernet networks, and it provides several useful capabilities when used properly. However, STP can cause havoc when a network carrying live video is ...

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 ...

Jeff Hardee introduced me to the idea of using longer Spanning Tree Protocol (STP) path length values for high-speed links. I thought this was an intriguing idea and so I started to do some informal ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A very likely explanation is that the switches have a loop circuit within them and the spanning ...

Joel is an internationally recognized expert in the areas of security, networking and messaging. Follow him on X (formerly Twitter) @joelsnyder. Building enterprise networks with routers and switches ...