Experiences with AVM Fritz!Box 6951 Cable - help with IPv6 on FW Blue

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Dane Manes

• August 28, 2020 08:09

After having turned off my Firewalla Blue due to the simple mode problems with AVM products, I upgraded my connection to a 500/50mbit and was sent a brand new Fritz!Box 6591 Cable with the Vodafone 7.13 firmware.  I've put the Blue back to stock non-beta firmware for the moment, and wiped all of the group rules.  Really need that feature to be released guys...

Checking the knowledge base now shows that AVM products are basically only compatible with DHCP mode (wholeheartedly agree) and made the jump to fully disable the IPv4 DHCP services. Performance so far has been very good, and most of the lags in browsing are gone - as are the really annoying IGMPv1 and IGMPv3 error messages on the FritzBox (see my older post).

I got an error message today on my phone today that said

"Disable DHCPv6 on Router - to monitor this WAN network, DHCPv6 service on the router should be disabled."

So - yeah - about disabling the IPv6 DHCP... looking at my configuration pages, I'm a bit lost and not really sure what, if anything, can be done.

At this point all suggestions are welcome!

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  JF Gregoire

  • October 18, 2020 16:38

  Same issue here. But my fritzbox 6591 is in Simple Mode -> debuged by Fiwaralla Support. According to them, no issue.

  Also same issue on a 7490 (VDSL), also in Simple Mode -> not debugged yet

  Because of the IGMP constant changes, I switched the FW Blue off

   

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  Easy L. R.

  • October 27, 2020 17:50

  Hi, s far as understand IPv6 is still in an early stage on Firewalla.

  I had some issues where request have not been blocked/filtered on my iDevices. I hve now disabled IPv6 on my Fritz!Box 7590. Settings are under (German):

  • Heimnetz
  • Netzwerk
  • Netzwerkeinstellungen
  • IPv6-Konfiguration
  • Unique Local Addresses -> Keine Unique Local Addresses (ULA) zuweisen
  • DHCPv6-Server in der Firtz!Box deaktivieren
  • DasM- und das O-Flag in den Router Advertisment-Nachrichten der Fritz!Box aktivieren (SLAAC nicht möglich)

  The message in the Firewalla app is still visible, but my devices seem to get no IPv6-Address. I have checked this with the app Net Analyzer (disconnected Wifi, reconnected, also renewed DHCP Lease).

  Block/Monitoring of google.com works now as expected.

  Hope this helps.

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