When I studied for my CCIE almost 15 years ago, I recall that I was fascinated by how different PDUs such as CDP, DTP, STP would have different encapsulations on a trunk depending on the configuration of it. What happens
Busting myths – PAgP desirable runs in silent mode by default
Time to bust another myth! Supposedly PAgP runs in silent mode by default in both desirable and auto mode. So what does silent mode do? “Use the silent mode when the switch is connected to a device that is not