A term used to describe a network node running both IPv4 and IPv6 protocol stacks (or possibly others) at the same time. Such a machine can act as a protocol converter between the two networks.

A node without dual-stack support can relay traffic in a protocol it does not support natively by use of tunnelling.

RFC 4213

Last updated: 2013-10-08

Nearby terms:

dual porteddual-stackDual Tone Multi Frequencyduck typing

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