Terms

Question 1

What is a “Root Bridge”?

Answer 1

It’s the designated switch that acts as the basis for deciding which ports are forwarding or blocking.

Question 2

What is a “Root Port”?

Answer 2

It’s the switch port with the lowest cost path to the root bridge.

Question 3

What is a “Designated Port”?

Answer 3

It’s a non-root port that is forwarding.

Question 4

What is a “Blocking Port”?

Answer 4

It’s a non-root and non-designated port.

Question 5

What is a “BPDU”?

Answer 5

A BPDU is a “Bridge Protocol Data Unit”.

Question 6

What is a “BID”?

Answer 6

BID stands for “Bridge ID”.

Bridge ID value is found through the STP Priority, VLAN, and Base MAC.

EX: 4106.1111.2222.3333
Priority 4096
VLAN 10
BASE MAC 1111.2222.3333