MI424-WR Rev. I -- Firmware 40.19.36 breaks homegroup and IPv6 bridging

[mcferguson81]

Hi --

Within the last few weeks, I noticed Homegroup sharing is no longer functioning on my network between devices on MOCA and Wifi. For example, I cannot connect via Homegroup from a PC connected via Ethernet to a laptop connected via Wifi.

Homegroup requires IPv6 to work on the network. I am able to ping via IPv6 (ping -6 ...) between devices on Wifi only or devices on MOCA / Ethernet only, but not from a MOCA device to a Wifi device. I'm guessing this broke when the recent 40.19.36 firmware was pushed out. Please fix. Thanks Verizon ...

Best regards,

Michael

[Hubrisnxs]

Some users have had similiar problems - Try this solution

Log into the router, go to advanced - accept the warning. Go to IGMP and Disable it. Save  

reboot modem, and try again.

[mcferguson81]

Thanks -- tried that. The only IGMP setting is under Advanced -> Routing now. I've disabled it, but IPv6 bridging is still not working. As far as I can tell DLNA is working.

[mcferguson81]

I spoke too soon -- DLNA is also broken between the two networks (wifi vs. wired / MOCA). Toggling the IGMP routing setting didn't seem to make a difference.

[smith6612]

Do you have UPnP enabled within your router? You may want to try toggling that around since some aspects of DLNA require the use of UPnP.

[mcferguson81]

There is no longer any UPnP option in the GUI (checked advanced, firewall, everywhere...), but I am pretty sure it is turned on as some apps are using it.

[mcferguson81]

I "solved" the issue by connecting another Wifi router to the network. When devices connect via the secondary router, DLNA, IPv6, etc. all work as expected. Thanks a bunch Verizon. I'll be filing a BBB and Texas PUC complaint about this issue. You need to test these firmware updates before subjecting your customers to them...