6to4

(networking)   A protocol for transitioning from IPv4 to IPv6. Networks may use 6to4 (or other transitioning protocols) until they support native dual-stack.

Because 6to4 is a form of tunnelling, it requires encapsulation by a protocol converter. This can cause performance problems due to increased latency and decreased MTU sizes, as described in RFC 6343.

RFC 3056.

Last updated: 2012-12-24


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