Timers

Question 1

What is the “Hello” timer?

Answer 1

It’s a periodic BPDU message. 2 second timer by default.

Question 2

What is the “Forward Delay” timer?

Answer 2

How long to wait before an interface can forward traffic. 15 second timer by default.

Question 3

What is the “Max Age” timer?

Answer 3

It’s the max length of time that passes before a bridge port saves its BPDU information. 20 second timer by default.