STP Bridge Port Roles

Question 1

Root Port

Answer 1

is the link with lowest path cost to the root bridge

Question 2

Designated port

Answer 2

is one that’s been determined to have the best (lowest) cost to get to a given network segment, compared to other ports on the segment.

Question 3

Non-designated port

Answer 3

A non-designated port is one with a higher cost than the designated port

Question 4

Forwarding port

Answer 4

forwards frames and will be either a root port or a designated port

Question 5

Blocked port

Answer 5

won’t forward frames in order to prevent loops

Question 6

Alternate port

Answer 6

802.1w, is located on a switch connected to a LAN segment with two or more switches connected, and one of the other switches holds the designated port

Question 7

Backup port

Answer 7

802.1w, is connected to a LAN segment where another port on that switch is acting as the designated port.