What is Bpdu guard and Bpdu filter?

Related questions

1. How does a Bpdu filter work?
2. What triggers Bpdu guard?
3. What does Bpdu guard do?
4. What is superior Bpdu?
5. What is rapid Pvst?
6. What is a trunk port?
7. What is an advantage of Pvst+?
8. What does Bpdu filter do?
9. What is Spanning Tree PortFast edge?

Tags

1. #unnecessary
2. #bpdus
3. #portfast
4. #access
5. #filtering
6. #restricts
7. #ports
8. #switch
9. #accidental
10. #guard
11. #devices
12. #prevents
13. #connection
14. #sending
15. #enabled
16. #switching