Announcing IPv4 routes with an IPv6 next-hop in the Babel routing protocol

Document Type Replaced Internet-Draft (individual)
Authors Theophile Bastian  , Juliusz Chroboczek 
Last updated 2020-05-14
Replaced by draft-ietf-babel-v4viav6
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Intended RFC status (None)
Expired & archived
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IESG IESG state Replaced by draft-ietf-babel-v4viav6
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document defines an extension to the Babel routing protocol that allows annoncing routes to an IPv4 prefix with an IPv6 next-hop, which makes it possible for IPv4 traffic to flow through interfaces that have not been assigned an IPv4 address.


Theophile Bastian (
Juliusz Chroboczek (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)