[Dnsmasq-discuss] Win10 Dhcpv6 issue?
Xander Victory
xander at xandervictory.id.au
Thu Jun 30 14:24:32 BST 2016
This seems to have just been another Windows 10 Stupid (I thought I'd
gotten away with not having any).
I followed this article and deleted both DUID keys in the registry and
it seems to be able to maintain a lease.
https://support.microsoft.com/en-us/kb/2711727
Support page appears to apply to non-updated 7/8/Server 2008R2/Server
2012 too.
On 25/06/2016 8:42 PM, Vladislav Grishenko wrote:
>
> My bad, it was wrong assumption, sorry.
> Just checked, dnsmasq doesn’t really support REBIND at all at the
> moment, fix in 2.72 actually fixed nothing.
>
> Best Regards, Vladislav Grishenko
>
> *From:*Xander Victory [mailto:xander at xandervictory.id.au]
> *Sent:* Saturday, June 25, 2016 5:21 PM
> *To:* Vladislav Grishenko <themiron.ru at gmail.com>
> *Cc:* dnsmasq-discuss at lists.thekelleys.org.uk
> *Subject:* RE: [Dnsmasq-discuss] Win10 Dhcpv6 issue?
>
> No, dnsmasq was one version below current, even updating to current
> (gentoo patches) nothing changed
>
> On Jun 25, 2016 8:19 PM, "Vladislav Grishenko" <themiron.ru at gmail.com
> <mailto:themiron.ru at gmail.com>> wrote:
>
> Hi, Xander
>
> Not exactly related to Windows 10 ignorance, but according pcap,
> dnsmasq doesn’t reply to REBIND requests.
>
> So, you version seems older than 2.72 where it was fixed, is it?
>
> If so, it’s desirable to update to the current latest 2.76.
>
> Best Regards, Vladislav Grishenko
>
> *From:*Dnsmasq-discuss
> [mailto:dnsmasq-discuss-bounces at lists.thekelleys.org.uk
> <mailto:dnsmasq-discuss-bounces at lists.thekelleys.org.uk>] *On
> Behalf Of *Xander Victory
> *Sent:* Friday, June 24, 2016 4:21 PM
> *To:* dnsmasq-discuss at lists.thekelleys.org.uk
> <mailto:dnsmasq-discuss at lists.thekelleys.org.uk>
> *Subject:* [Dnsmasq-discuss] Win10 Dhcpv6 issue?
>
> I'm having some trouble getting windows 10 to keep its v6 lease,
> it seem to fail to renew.
>
> From packet sniffing it seems to just be ignoring DNSMasq's
> replies to the renew packets, and then falls back to soliciting
> continuously, despite being replied to.
>
> I've attached the pcap files (hopefully). Shows that it acquires
> it on reboot, but fails after the lease time is (about to?) expire
> - set at 2 hours because of issues with the xbox one getting a new
> address each boot (you can see in the 2nd pcap that it renews its
> address just fine).
>
> Is windows 10 borked or is it something with my config? I'm unsure
> if this is a recent development or not to be honest.
>
> Not exactly related, but I've noticed that DNSMasq sends its v6
> packets (router advertisements and dhcpv6) from the full link
> local address, even though the default address is a manually
> configured fe80::1
>
> relevant config:
>
> dhcp-host=id:00:01:00:01:1a:1b:af:8c:bc:5f:f4:d8:41:bc,[::3],bc:5f:f4:d8:41:bc,10.1.2.6,xander
> dhcp-range=br0,10.1.2.100,10.1.2.249,255.255.255.0,12h
> dhcp-range=br0,2001:44b8:610e:3c00::4,2001:44b8:610e:3c00::ffff,2h
> enable-ra
>
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