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Exam AWS Certified Advanced Networking - Specialty ANS-C01 topic 1 question 263 discussion

Exam question from Amazon's AWS Certified Advanced Networking - Specialty ANS-C01
Question #: 263
Topic #: 1
[All AWS Certified Advanced Networking - Specialty ANS-C01 Questions]

A company has several AWS Site-to-Site VPN connections between an on-premises customer gateway and a transit gateway. The company's application uses IPv4 to communicate through the VPN connections.

The company has updated the VPC to be dual stack and wants to transition to using IPv6-only for new workloads. When the company tries to communicate through the existing VPN connections, IPv6 traffic fails.

Which solution will provide IPv6 support with the LEAST operational overhead?

  • A. Create a new Site-to-Site VPN connection that supports IPv6.
  • B. Create a new Site-to-Site VPN connection to a self-managed Amazon EC2 instance that runs open source software.
  • C. Update the existing Site-to-Site VPN connections to support IPv6.
  • D. Update the on-premises customer gateway's public IP address from IPv4 to IPv6.
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Suggested Answer: A 🗳️
by kowal_001 at Jan. 16, 2025, 11:16 a.m.
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ashk123456
1 month ago
Selected Answer: A
AWS Site-to-Site VPN does not support IPv6 over existing VPN connections that were established using IPv4. IPv6 traffic will not work through an IPv4-based VPN connection. The best solution with the least operational overhead is to create a new Site-to-Site VPN connection that supports IPv6. AWS now supports IPv6 for Site-to-Site VPN, allowing the company to set up a dual-stack VPN connection.
upvoted 1 times
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dspd
2 months, 3 weeks ago
Selected Answer: A
AWS Site-to-Site VPN connections cannot be updated from IPv4 to IPv6. They need to be recreated.
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