Understanding STP Rootguard
- By Joe Astorino
- October 28, 2011
- 22 Comments
Introduction The spanning-tree rootguard feature, like most extended spanning-tree features from Cisco often leaves students confused when they first learn it. The confusion is usually not because it is hard, … Continue Reading →
Understanding Spanning-Tree Loopguard
- By Joe Astorino
- September 1, 2011
- 30 Comments
Introduction The spanning-tree loopguard feature is used to stop bridging loops caused by unidirectional links. If you are not aware, a unidirectional link is a link that is only … Continue Reading →
Understanding Spanning-Tree Port-Priority
- By Joe Astorino
- June 30, 2011
- 63 Comments
Introduction Today we are going to take a quick look at the spanning-tree port-priority and understand how it really works with regards to influencing what ports are blocking and which … Continue Reading →