What is the difference between PPPoE and Pppoa?

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Tags

1. #network
2. #protocol
3. #inside
4. #ethernet
5. #adaption
6. #basically
7. #configured
8. #point
9. #frames
10. #pppoa
11. #connection
12. #layer
13. #between
14. #connecting
15. #internet
16. #common
17. #pppoe
18. #encapsulating
19. #ports
20. #perhaps