Spanning Tree Operation Flashcards
1
Q
What is the Spanning Tree Operation?
A
- Determine root bridge: The bridge advertising the lowest bridge ID becomes the root bridge.
- Select root port: Each bridge selects its primary port facing the root.
- Select designated ports: One designated port is selected per segment.
- Block ports with loops: All non-root and non-designated ports are blocked.
2
Q
What is in the BPDU packet for RB?
A
- Priority - legacy STP - Default: 32678
- MAC Address - legacy STP
- VLAN - RPVST
3
Q
What is the priority set by default?
A
Priority is set to 32678
4
Q
What is Bridge ID?
A
The combination of the priority & MAC Address is called Bridge ID.
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