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Re: Confirmation to advance: draft-ietf-6man-ipv6only-flag-05

Philip Homburg <pch-ipv6-ietf-6@u-1.phicoh.com> Fri, 24 May 2019 14:48 UTC

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Cc: Bob Hinden <bob.hinden@gmail.com>
Subject: Re: Confirmation to advance: draft-ietf-6man-ipv6only-flag-05
From: Philip Homburg <pch-ipv6-ietf-6@u-1.phicoh.com>
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In-reply-to: Your message of "Fri, 24 May 2019 10:40:04 -0400 ." <24C5314C-B2D9-4469-AEB1-58B573909359@gmail.com>
Date: Fri, 24 May 2019 16:47:58 +0200
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>I wonder if the ipv6only flag could be used to test IPv6 on networks.  
>That is, turn off IPv4 and see if the IPv6 is working.  Turn off IPv4, 
>then make sure there is working IPv6 connectivity, throughput, etc., 
>then turn IPv4 back on. 
>
>Perhaps a new use case.

To make that work you have to turn off DHCPv4 as well. So you don't need
the flag.

The bigger problem is that without IPv4, most of the internet is unreachable.
So it is bit hard to test if it is IPv6 that is failing or not.

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