On Fri, May 25, 2018 at 03:34:08PM +0200, Oliver Freyermuth wrote:
> Am 25.05.2018 um 15:30 schrieb Kevin Darbyshire-Bryant:
> >> On 25 May 2018, at 13:07, Oliver Freyermuth wrote:
> >> Dear dnsmasqers,
> >> I fear the following is a design issue of DHCPv6, but I wonder if there's
> >> a way to overcome it with dnsmasq...
> > <snip>
> > Hi Oliver,
> > I???ve a similar/same problem when rebooting some QNAP NAS boxen,
> > first boot/introduction to dnsmasq and they get both IPv4 & v6
> > addresses set to fixed values based on MAC address. On reboot whilst
> > IPv4 is fine, IPv6 is not reallocated to the original address but
> > rather a new one. By curious co-incidence I just started looking
> > into this problem today though it has been bugging me for months :-)
> > Have tried various combinations of MAC address & DUID.
> Dear Kevin,
> I think it's exactly the same issue.
> > Fri May 25 12:47:13 2018 daemon.info dnsmasq-dhcp: 5514926
> > DHCPREQUEST(br-lan) 00:01:00:01:22:9a:b4:43:24:5e:be:0c:bc:ba
> > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp: 12603117
> > DHCPSOLICIT(br-lan) 00:01:00:01:22:9a:b7:2b:24:5e:be:0c:bc:ba
> it seems the QNAP NAS box is using a fresh client DUID each reboot...
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