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From: Robert Watson <rwatson@FreeBSD.org>
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To: "George V. Neville-Neil" <gnn@FreeBSD.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/etc network.subr src/sys/netinet6 in6_ifattach.c
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On Mon, 2 Oct 2006, George V. Neville-Neil wrote:

> gnn         2006-10-02 10:13:30 UTC
>
>  FreeBSD src repository
>
>  Modified files:
>    etc                  network.subr
>    sys/netinet6         in6_ifattach.c
>  Log:
>  Turn off automatic link local address if ipv6_enable is not set to YES
>  in rc.conf
>
>  Reviewed by:    KAME core team, cperciva
>  MFC after:      3 days

The description here isn't quite accurate -- you implement the right thing 
(turn on only if set to yes) rather than the almost right thing (turn off only 
if not set to yes) as suggested in the commit message.  The distinction being 
the kernel default in the event that the boot scripts haven't run -- i.e., in 
single-user mode.  We might want to find somewhere to document that if you're 
in single-user mode, you need to set this sysctl to 1 in order to force a link 
local address to be enabled.

Robert N M Watson
Computer Laboratory
University of Cambridge