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SEC0105 - ASA 9.x NAT46 NAT64 DNS64 Twice NAT (Part 2)

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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 2 of this video deals with Stateful NAT64, NAT46 and DNS64
  • 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.


Please check the quality of the video.
The video is not clear and difficult to see....

Could you please make sure to choose 720p on the player and use screen resoluation of 1440x900 for best viewing result.

Hello, Labminutes
Can you give me more information aboute NAT64,NAT46 and DNS64 ? .
How do they work together and translate IPv6 headers to IPv4 headers and vice versa?
Does DNS64 the same DNS modification ?
Dose NAT64, NAT46 and DNS64 support FTP service (I want to have ftp server on IPv6 site, allow IPv4 client can access this service (http is working)) ?
I'm looking forward for your helping...