Am 25.05.2018 um 15:30 schrieb Kevin Darbyshire-Bryant: > > >> On 25 May 2018, at 13:07, Oliver Freyermuth <o.freyerm...@googlemail.com> >> 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. > > Without meaning to thread hijack! If it’s not effectively the same issue > will gladly start a new thread.
Dear Kevin, I think it's exactly the same issue. Comparing: > Fri May 25 12:47:13 2018 daemon.info dnsmasq-dhcp[26168]: 5514926 > DHCPREQUEST(br-lan) 00:01:00:01:22:9a:b4:43:24:5e:be:0c:bc:ba with > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 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... Cheers, Oliver > > > First boot with fresh dnsmasq > Fri May 25 12:47:13 2018 daemon.info dnsmasq-dhcp[26168]: 5514926 client MAC > address: 24:5e:be:0c:bc:ba > Fri May 25 12:47:13 2018 daemon.info dnsmasq-dhcp[26168]: 5514926 > DHCPREQUEST(br-lan) 00:01:00:01:22:9a:b4:43:24:5e:be:0c:bc:ba > Fri May 25 12:47:13 2018 daemon.info dnsmasq-dhcp[26168]: 5514926 > DHCPREPLY(br-lan) 2a02:c7f:beef:2000::e > 00:01:00:01:22:9a:b4:43:24:5e:be:0c:bc:ba Statler > Fri May 25 12:47:13 2018 daemon.info dnsmasq-dhcp[26168]: 5514926 tags: lan, > known, dhcpv6, br-lan > Fri May 25 12:47:13 2018 daemon.info dnsmasq-dhcp[26168]: 5514926 sent size: > 14 option: 2 server-id 00:01:00:01:21:92:2f:dc:60:e3:27:af:9e:51 > Fri May 25 12:47:13 2018 daemon.info dnsmasq-dhcp[26168]: 5514926 sent size: > 40 option: 3 ia-na IAID=3132886206 T1=21600 T2=37800 > Fri May 25 12:47:13 2018 daemon.info dnsmasq-dhcp[26168]: 5514926 nest size: > 24 option: 5 iaaddr 2a02:c7f:beef:2000::e PL=43200 VL=43200 > Fri May 25 12:47:13 2018 daemon.info dnsmasq-dhcp[26168]: 5514926 sent size: > 9 option: 13 status 0 success > Fri May 25 12:47:13 2018 daemon.info dnsmasq-dhcp[26168]: 5514926 sent size: > 1 option: 7 preference 255 > Fri May 25 12:47:13 2018 daemon.info dnsmasq-dhcp[26168]: 5514926 sent size: > 29 option: 24 domain-search lan.darbyshire-bryant.me.uk > Fri May 25 12:47:13 2018 daemon.info dnsmasq-dhcp[26168]: 5514926 sent size: > 16 option: 23 dns-server 2a02:c7f:beef:2000::da2b:da2b > Fri May 25 12:47:13 2018 daemon.info dnsmasq-dhcp[26168]: 5514926 sent size: > 38 option: 39 FQDN Statler.lan.darbyshire-bryant.me.uk > > > And now a reboot of the client: > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 12603117 available > DHCP range: 2a02:c7f:beef:2000::1000 -- 2a02:c7f:beef:2000::ffff > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 12603117 client MAC > address: 24:5e:be:0c:bc:ba > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 12603117 > DHCPSOLICIT(br-lan) 00:01:00:01:22:9a:b7:2b:24:5e:be:0c:bc:ba > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 12603117 > DHCPADVERTISE(br-lan) 2a02:c7f:beef:2000::9c72 > 00:01:00:01:22:9a:b7:2b:24:5e:be:0c:bc:ba Statler > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 12603117 tags: lan, > known, dhcpv6, br-lan > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 12603117 sent size: > 14 option: 1 client-id 00:01:00:01:22:9a:b7:2b:24:5e:be:0c:bc:ba > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 12603117 sent size: > 14 option: 2 server-id 00:01:00:01:21:92:2f:dc:60:e3:27:af:9e:51 > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 12603117 sent size: > 40 option: 3 ia-na IAID=3132886206 T1=21600 T2=37800 > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 12603117 nest size: > 24 option: 5 iaaddr 2a02:c7f:beef:2000::9c72 PL=43200 VL=43200 > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 12603117 sent size: > 9 option: 13 status 0 success > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 12603117 sent size: > 1 option: 7 preference 255 > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 12603117 sent size: > 29 option: 24 domain-search lan.darbyshire-bryant.me.uk > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 12603117 sent size: > 16 option: 23 dns-server 2a02:c7f:beef:2000::da2b:da2b > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 12603117 sent size: > 9 option: 39 FQDN Statler > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 15821508 available > DHCP range: 2a02:c7f:beef:2000::1000 -- 2a02:c7f:beef:2000::ffff > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 15821508 client MAC > address: 24:5e:be:0c:bc:ba > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 15821508 > DHCPREQUEST(br-lan) 00:01:00:01:22:9a:b7:2b:24:5e:be:0c:bc:ba > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 15821508 > DHCPREPLY(br-lan) 2a02:c7f:beef:2000::9c72 > 00:01:00:01:22:9a:b7:2b:24:5e:be:0c:bc:ba Statler > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 15821508 tags: lan, > known, dhcpv6, br-lan > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 15821508 sent size: > 14 option: 1 client-id 00:01:00:01:22:9a:b7:2b:24:5e:be:0c:bc:ba > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 15821508 sent size: > 14 option: 2 server-id 00:01:00:01:21:92:2f:dc:60:e3:27:af:9e:51 > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 15821508 sent size: > 40 option: 3 ia-na IAID=3132886206 T1=21600 T2=37800 > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 15821508 nest size: > 24 option: 5 iaaddr 2a02:c7f:beef:2000::9c72 PL=43200 VL=43200 > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 15821508 sent size: > 9 option: 13 status 0 success > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 15821508 sent size: > 1 option: 7 preference 255 > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 15821508 sent size: > 29 option: 24 domain-search lan.darbyshire-bryant.me.uk > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 15821508 sent size: > 16 option: 23 dns-server 2a02:c7f:beef:2000::da2b:da2b > Fri May 25 12:59:40 2018 daemon.info dnsmasq-dhcp[26168]: 15821508 sent size: > 38 option: 39 FQDN Statler.lan.darbyshire-bryant.me.uk > > > > Cheers, > > Kevin D-B > > 012C ACB2 28C6 C53E 9775 9123 B3A2 389B 9DE2 334A >
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