350-701 · Question #655
What is a difference between GRE over IPsec and IPsec with crypto map?
The correct answer is B. GRE over IPsec supports non-IP protocols. The difference between GRE over IPsec and IPsec with crypto map is that GRE (Generic Routing Encapsulation) over IPsec can encapsulate and transport non-IP protocols across an IP network, whereas IPsec with crypto map is typically used for IP traffic. GRE tunnels wrapped in…
Question
What is a difference between GRE over IPsec and IPsec with crypto map?
Options
- AMulticast traffic is supported by IPsec with crypto map.
- BGRE over IPsec supports non-IP protocols.
- CGRE provides its own encryption mechanism.
- DIPsec with crypto map oilers better scalability.
How the community answered
(25 responses)- A28% (7)
- B56% (14)
- C4% (1)
- D12% (3)
Explanation
The difference between GRE over IPsec and IPsec with crypto map is that GRE (Generic Routing Encapsulation) over IPsec can encapsulate and transport non-IP protocols across an IP network, whereas IPsec with crypto map is typically used for IP traffic. GRE tunnels wrapped in IPsec provide a way to transport multicast traffic and other protocol types across an IPsec VPN, offering greater flexibility in the types of traffic that can be secured.
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