Spanning Tree Operation Flashcards

1
Q

What is the Spanning Tree Operation?

A
  1. Determine root bridge: The bridge advertising the lowest bridge ID becomes the root bridge.
  2. Select root port: Each bridge selects its primary port facing the root.
  3. Select designated ports: One designated port is selected per segment.
  4. Block ports with loops: All non-root and non-designated ports are blocked.
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2
Q

What is in the BPDU packet for RB?

A
  • Priority - legacy STP - Default: 32678
  • MAC Address - legacy STP
  • VLAN - RPVST
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3
Q

What is the priority set by default?

A

Priority is set to 32678

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4
Q

What is Bridge ID?

A

The combination of the priority & MAC Address is called Bridge ID.

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5
Q

How to select the Root Ports (RP)?

A

The switchport with the lowest priority wins to become the RP.
- Port Cost
- Bridge ID
- Senders Port Priority

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