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Author(s) Emilie Deprez
Deadline No deadline
Submission limit No limitation
Category tags ethernet

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The spanning tree protocol - step by step - 2

Consider the network shown in the figure below where all links have a cost of 1.

S16 S49 S47 S38 1 2 1 2 1 1 2 3
Question 1: Root switch

Which is the root switch in this network ?

Provide your answer as Sx where x is the number of the switch

Question 2: BPDU sent

What is the BPDU sent by switch S16 in this network ?

Provide your answer as R=123, C=456, T=789

Question 3: BPDU sent

What is the BPDU sent by switch S47 in this network ?

Provide your answer as R=123, C=456, T=789

Question 4: BPDU sent

What is the BPDU sent by switch S38 in this network ?

Provide your answer as R=123, C=456, T=789

Question 5: BPDU sent

What is the BPDU sent by switch S49 in this network ?

Provide your answer as R=123, C=456, T=789

Question 6: Best BPDU

Between S16 and S47, which switch has the best BPDU ?

Provide your answer as Sx where x is the number of the switch

Question 7: Best BPDU

Between S16 and S49, which switch has the best BPDU ?

Provide your answer as Sx where x is the number of the switch

Question 8: Best BPDU

Between S47 and S49, which switch has the best BPDU ?

Provide your answer as Sx where x is the number of the switch

Question 9: Best BPDU

Between S38 and S49, which switch has the best BPDU ?

Provide your answer as Sx where x is the number of the switch

Question 10: Port State

What is the state of each port of S16 ?

Provide your answer as 1:root, 2:designated, 3:blocked, ...

Question 11: Port State

What is the state of each port of S47 ?

Provide your answer as 1:root, 2:designated, 3:blocked, ...

Question 12: Port State

What is the state of each port of S38 ?

Provide your answer as 1:root, 2:designated, 3:blocked, ...

Question 13: Port State

What is the state of each port of S49 ?

Provide your answer as 1:root, 2:designated, 3:blocked, ...