From the course: Deploying Layer 2 Switching for Cisco Networks by Pearson

Unlock this course with a free trial

Join today to access over 25,200 courses taught by industry experts.

STP convergence

STP convergence - Cisco Tutorial

From the course: Deploying Layer 2 Switching for Cisco Networks by Pearson

Start my 1-month free trial Buy for my team

STP convergence

“

In this lesson, I'm going to talk about spanning tree convergence and what goes on in a switch in a switch network. So to start off with, we have a vital component, which is the timers. So there's a couple components within the timers. We're going to start off with the max age. The max age is the maximum length of time that's going to pass before Bridgeport's going to keep its BPU information relevant. So, if a switch loses contact with the BPU source, it's gonna assume that the BPU information's still valid for the life of the max age. Now, the default value is 20 seconds, and you could change that with the command spanning tree VLAN, the VLAN ID, and then you do the max age and whatever you want that value to be. So, the next thing is gonna be the hello time. And so, this is the time interval between BPUs that get advertised out of a port. So, the default value is set for two seconds. that means that from the root bridge, it's gonna advertise a BPU out of all its ports, and after…

Contents