Hi all - I was helping connect another building and this involved two links that serve different vlans. The links are on one switch not owned by us (Cisco) from our main IT group and then ours ...

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 ...

Ok, so my first question is would an issue with spanning tree affect the response time with a ping? I have a switch that is doing some weird stuff and my employees keep complaining about slowness with ...

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 ...

Rick Cook learned programming on a computer with magnetic drum memory. Since then he's written thousands of articles on all aspects of computers and high technology — as well as several fantasy novels ...

Use these tips as a guide to keeping a lock on data when using virtual LANs. Securing a virtual LAN network begins with physical security. These best practices can help administrators and IT managers ...