Is GRE Cisco proprietary?

Related questions

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

Tags

1. #routing
2. #useful
3. #return
4. #particularly
5. #network
6. #inside
7. #transmitting
8. #multicast
9. #tunnel
10. #ipsec
11. #embedded
12. #keepalives
13. #packet
14. #layer
15. #packets
16. #traffic
17. #standard
18. #cisco
19. #encapsulation
20. #encapsulating
21. #proprietary
22. #generic