Hi,

I using a Fritzbox and a dualstack internet connection (Deutsche Telekom).

Fritzbox is providing router advertisments with rfc5006 dns.
Fritzbopx is running stateless dhcpv6 with IA_P but no IA_NA.

I have running dnsmasq 2.72 on Fedora 21.

My Mac and Linux boxes are happy, but my Windows machines are very unhappy.

VPN tunnels on these Windows machines are extremly unrealiable, when dnsmasq is running. If I stop dnsmasq, everything is ok.

In my logs I see lot's of these, and I'm unsure if this might be the problem.

Looks like dnsmasq is frequently contructing and deconstructing the network interface ?

Avahi seems to think the interface is going up and down. But why ? The address does not change ?

cu romal


Jan 14 20:27:28 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:4d00:: Jan 14 20:27:28 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e341:b300:: Jan 14 20:27:28 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) fde7:831a:b4ef:1:: Jan 14 20:27:28 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:3800:: old prefix Jan 14 20:27:28 zerberus dnsmasq-dhcp[10775]: DHCPv6 stateless on 2003:57:e342:3800::, constructed for enp1s0 Jan 14 20:27:28 zerberus dnsmasq-dhcp[10775]: router advertisement on 2003:57:e342:3800::, constructed for enp1s0 Jan 14 20:27:28 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:4d00:: Jan 14 20:27:28 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:3800:: Jan 14 20:27:28 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e341:b300:: Jan 14 20:27:28 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) fde7:831a:b4ef:1:: Jan 14 20:27:28 zerberus avahi-daemon[501]: Registering new address record for 2003:57:e342:3800:20d:b9ff:fe36:6884 on enp1s0.*. Jan 14 20:27:38 zerberus dnsmasq-dhcp[10775]: router advertisement on 2003:57:e342:3800::, old prefix for enp1s0 Jan 14 20:27:38 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:4d00:: Jan 14 20:27:38 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e341:b300:: Jan 14 20:27:38 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) fde7:831a:b4ef:1:: Jan 14 20:27:38 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:3800:: old prefix Jan 14 20:27:38 zerberus avahi-daemon[501]: Withdrawing address record for 2003:57:e342:3800:20d:b9ff:fe36:6884 on enp1s0. Jan 14 20:27:38 zerberus avahi-daemon[501]: Registering new address record for 2003:57:e342:3800:20d:b9ff:fe36:6884 on enp1s0.*. Jan 14 20:27:38 zerberus dnsmasq-dhcp[10775]: DHCPv6 stateless on 2003:57:e342:3800::, constructed for enp1s0 Jan 14 20:27:38 zerberus dnsmasq-dhcp[10775]: router advertisement on 2003:57:e342:3800::, constructed for enp1s0 Jan 14 20:27:38 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:4d00:: Jan 14 20:27:38 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:3800:: Jan 14 20:27:38 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e341:b300:: Jan 14 20:27:38 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) fde7:831a:b4ef:1:: Jan 14 20:27:48 zerberus avahi-daemon[501]: Withdrawing address record for 2003:57:e342:3800:20d:b9ff:fe36:6884 on enp1s0. Jan 14 20:27:48 zerberus dnsmasq-dhcp[10775]: router advertisement on 2003:57:e342:3800::, old prefix for enp1s0 Jan 14 20:27:48 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:4d00:: Jan 14 20:27:48 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e341:b300:: Jan 14 20:27:48 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) fde7:831a:b4ef:1:: Jan 14 20:27:48 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:3800:: old prefix Jan 14 20:27:48 zerberus avahi-daemon[501]: Registering new address record for 2003:57:e342:3800:20d:b9ff:fe36:6884 on enp1s0.*. Jan 14 20:27:48 zerberus dnsmasq-dhcp[10775]: DHCPv6 stateless on 2003:57:e342:3800::, constructed for enp1s0 Jan 14 20:27:48 zerberus dnsmasq-dhcp[10775]: router advertisement on 2003:57:e342:3800::, constructed for enp1s0 Jan 14 20:27:48 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:4d00:: Jan 14 20:27:48 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:3800:: Jan 14 20:27:48 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e341:b300:: Jan 14 20:27:48 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) fde7:831a:b4ef:1:: Jan 14 20:27:58 zerberus dnsmasq-dhcp[10775]: router advertisement on 2003:57:e342:3800::, old prefix for enp1s0 Jan 14 20:27:58 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:4d00:: Jan 14 20:27:58 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e341:b300:: Jan 14 20:27:58 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) fde7:831a:b4ef:1:: Jan 14 20:27:58 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:3800:: old prefix Jan 14 20:27:58 zerberus avahi-daemon[501]: Withdrawing address record for 2003:57:e342:3800:20d:b9ff:fe36:6884 on enp1s0. Jan 14 20:27:58 zerberus dnsmasq-dhcp[10775]: DHCPv6 stateless on 2003:57:e342:3800::, constructed for enp1s0 Jan 14 20:27:58 zerberus dnsmasq-dhcp[10775]: router advertisement on 2003:57:e342:3800::, constructed for enp1s0 Jan 14 20:27:58 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:4d00:: Jan 14 20:27:58 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e342:3800:: Jan 14 20:27:58 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) 2003:57:e341:b300:: Jan 14 20:27:58 zerberus dnsmasq-dhcp[10775]: RTR-ADVERT(enp1s0) fde7:831a:b4ef:1:: Jan 14 20:27:58 zerberus avahi-daemon[501]: Registering new address record for 2003:57:e342:3800:20d:b9ff:fe36:6884 on enp1s0.*.

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