You are planning to set up an AWS VPN managed connection. You have a customer gateway that is behind a NAT device. In such a case, what steps should be taken to ensure proper connectivity? Choose 2 answers from the options given below.

Answer options:

A.Use the public IP address of the NAT device.
B.Use the private IP address of the customer gateway.
C.Ensure the on-premises firewall has UDP port 4500 unblocked.
D.Ensure the on-premises firewall has TCP port 4500 unblocked.

Answer – A and C
Options B and D are incorrect since you need to mention the public IP address and ensure that UDP port 4500 is unblocked.
This is given in the AWS Documentation.
For more information on VPN Connections, please refer to the below URL
https://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_VPN.html