Technical Note : Changing NAT64 prefix

FortiGate

FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.

Article Id 198696

Description

An IPv6 prefix is needed by DNS64 to convert the A records into AAAA records. The value of the "Well-Known Prefix" is 64:ff9b::/96.

This value can be changed on the FortiGate at the VDOM level by using following command:

config system nat64
   set nat64-prefix 64:2310::/96
end

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