What is the difference between GRE and IPSec tunnel?

Related questions

1. Is GRE Cisco proprietary?
2. What is Nhrp in Dmvpn?
3. What is multipoint GRE?
4. Is GRE secure?
5. Does Dmvpn support multicast?
6. What is GRE in networking?
7. Are GRE tunnels secure?
8. What is Dmvpn tunnel?
9. What is the advantage of GRE tunnel?
10. What is the NHRP role in Dmvpn?

Tags

1. #security
2. #cannot
3. #primary
4. #packets
5. #generic
6. #tunneling
7. #stands
8. #routing
9. #where
10. #encapsulation
11. #protocol
12. #while
13. #network
14. #routed
15. #carry
16. #internet
17. #other
18. #protocols
19. #ipsec