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AWS Certified Advanced Networking - Specialty · AWS
Select 2 answers.
This question asks for 2 answers, but our data marks only 1. Compare with the community discussion below for the full answer.
Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.
The following rules apply: IPv6 addresses are only supported for the inside IP addresses of the VPN tunnels. The outside tunnel IP addresses for the AWS endpoints are IPv4 addresses, and the public IP address of your customer gateway must be an IPv4 address. Site-to-Site VPN connections on a virtual private gateway do not support IPv6. You cannot enable IPv6 support for an existing Site-to-Site VPN connection. A Site-to-Site VPN connection cannot support both IPv4 and IPv6 traffic. Cannot be B
Not sure why people are saying A as A has only ipv6 and the requirement is for dual-stack. Need B for new dual-stack VPN + D for adding ipv6 to the existing DX vif.
• Option A: Creating a new Site-to-Site VPN tunnel for IPv6 traffic allows you to gradually transition your connectivity to AWS while still using the existing Direct Connect connection. • Option D: Adding an IPv6 peer to the existing VIF enables you to start sending IPv6 traffic over the existing connection, allowing you to test your dual-stack architecture without disrupting the existing connectivity.