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SEC0104 - ASA 9.x NAT46 NAT64 DNS64 Twice NAT (Part 1)

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The video walks you through configuration NAT64, NAT46, and DNS64 on Cisco ASA using Twice NAT to connect IPv6 to IPv4 network. We will look at both Stateless and Stateful NAT64 and NAT46, and highlight their pros and cons, and suggest when you should use one over the other. For Stateful NAT64, we will configure static, dynamic NAT, and PAT. Packet analysis on Wireshark will be performed to help us gain better understanding of the IP address translation. Since this video is a counterpart of SEC102-103 with Object NAT, we will make comparisons between these two NAT configuration options. 
Part 1 of this video focuses on Stateless NAT64 and NAT46 configuration
  • Twice NAT
  • Stateless NAT46 and NAT64
  • Stateful NAT64 (Static, Dynamic, PAT)
  • DNS64
  • Stateful NAT46

About Author

Metha Cheiwanichakorn, CCIE#23585 (RS, Sec, SP), is a Cisco networking enthusiast with years of experience in the industry. He is currently working as a consulting engineer for a Cisco partner. As a founder of and an instructor at, Metha enjoys learning and challenges himself with new Cisco technologies.