Date: Sat, 12 Aug 2023 22:37:07 +0100 From: Roy <roy@marples.name> To: freebsd-net@freebsd.org Subject: Re: IPv6 DAD issue Message-ID: <81EA9CF4-0D3D-4A88-9DE0-A745BADEDD4B@marples.name> In-Reply-To: <Q9PEz0x7rC8jx_HLwWyCmoWLY2oor7duKgw0j7TLXNu7Z5LULSPhAMerQMbHClDMPeJX2AMc59Iw5u2lMWHaH_bQF7HCQUsN86T1tTjpHcU=@enki-multimedia.eu> References: <Q9PEz0x7rC8jx_HLwWyCmoWLY2oor7duKgw0j7TLXNu7Z5LULSPhAMerQMbHClDMPeJX2AMc59Iw5u2lMWHaH_bQF7HCQUsN86T1tTjpHcU=@enki-multimedia.eu>
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[-- Attachment #1 --] Someone could port the change to ifconfig(8) I made to NetBSD to add the -w and -W flags to wait for the tentative and detached flags to clear from the interfaces. This can be used instead of any arbitrary sleep based on the dad count sysctl. Roy On 12 August 2023 18:08:42 BST, Benoit Chesneau <benoitc@enki-multimedia.eu> wrote: >I read different forums and blog [1] and it seems that the DAD issue is occurring offen with jails and is not only related to mce [2] . Is there any trick as of today that would help to fix it? I have tempted to report also on the forum but didn't get any answer yet [3] > >I always need for now to remove DA both on the system but also any jails using vnet. Is there any external issue that could cause this issue? > >Any help/hint is welcome :) > >Benoît > >[1] https://dan.langille.org/2023/03/10/is-your-jail-not-getting-an-ipv6-address-soon-enough-blame-dad/ >[2] https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270859 >[3] https://forums.freebsd.org/threads/how-to-solve-error-vnet0-a-looped-back-ns-message-is-detected-during-dad.89888/ [-- Attachment #2 --] <html><head></head><body><div dir="auto">Someone could port the change to ifconfig(8) I made to NetBSD to add the -w and -W flags to wait for the tentative and detached flags to clear from the interfaces. This can be used instead of any arbitrary sleep based on the dad count sysctl.<br><br>Roy</div><br><br><div class="gmail_quote"><div dir="auto">On 12 August 2023 18:08:42 BST, Benoit Chesneau <benoitc@enki-multimedia.eu> wrote:</div><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> <div style="font-family: Arial, sans-serif; font-size: 14px;">I read different forums and blog [1] and it seems that the DAD issue is occurring offen with jails and is not only related to mce [2] . Is there any trick as of today that would help to fix it? I have tempted to report also on the forum but didn't get any answer yet [3]</div><div style="font-family: Arial, sans-serif; font-size: 14px;"><br></div><div style="font-family: Arial, sans-serif; font-size: 14px;">I always need for now to remove DA both on the system but also any jails using vnet. Is there any external issue that could cause this issue?</div><div style="font-family: Arial, sans-serif; font-size: 14px;"><br></div><div style="font-family: Arial, sans-serif; font-size: 14px;">Any help/hint is welcome :)</div><div style="font-family: Arial, sans-serif; font-size: 14px;"><br></div><div style="font-family: Arial, sans-serif; font-size: 14px;">Benoît</div><div style="font-family: Arial, sans-serif; font-size: 14px;"><br></div><div style="font-family: Arial, sans-serif; font-size: 14px;">[1] <span><a target="_blank" rel="noreferrer nofollow noopener" href="https://dan.langille.org/2023/03/10/is-your-jail-not-getting-an-ipv6-address-soon-enough-blame-dad/">https://dan.langille.org/2023/03/10/is-your-jail-not-getting-an-ipv6-address-soon-enough-blame-dad/</a></span></div><div style="font-family: Arial, sans-serif; font-size: 14px;">[2] <span><a href="https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270859" rel="noreferrer nofollow noopener" target="_blank">https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270859</a></span></div><div style="font-family: Arial, sans-serif; font-size: 14px;">[3] <span><a target="_blank" rel="noreferrer nofollow noopener" href="https://forums.freebsd.org/threads/how-to-solve-error-vnet0-a-looped-back-ns-message-is-detected-during-dad.89888/">https://forums.freebsd.org/threads/how-to-solve-error-vnet0-a-looped-back-ns-message-is-detected-during-dad.89888/</a></span></div><div style="font-family: Arial, sans-serif; font-size: 14px;"><br></div><div style="font-family: Arial, sans-serif; font-size: 14px;" class="protonmail_signature_block"> </div> </blockquote></div></body></html>help
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