@David-TP 

Hi David,

I think the problem started when I tried to enable the IoT network using the main network SSID then renamed the main network. It might have mistakenly migrated all my device connections over to the Deco S7 unit, even after I switched the SSIDs back. I think this will all be resolved once IoT network is enabled for M4 firmware as well. I just went ahead and reset and reconfigure my network though it was a bit of hassle readding MAC addresses with fixed IPs. Thanks for the support during the course of this problem.

  @David-TP 

Hi David

I did the update, there is no problem with IPv6, everything works. Thank you for your interest

  @David-TP 

hi david, i used the last update in the past few days (they sent me it three days ago by mail), it's better than the 1.5.0 but the main problem is still there, one time a day all deco stop working (led still white) and i have to unplug and replug the main one to solve. Internet is not the problem because everything connected by cable directly to the house network remain online.

i'll send you the logs. 

thank you in advance for your help

S

  I'd like to add that following the update, my S7 system of two units became unstable with issues similar to these reported. Initially, I had my VM hub 5 in modem mode, the first S7 had a switch connected this then was connected to another S7 with a switch connected. 

The first unit went red and no internet traffic. 

I then swapped the S7 round, this was set up as the node but failed, blocking devices on the switch. I then reset the S7 to access point and plugging the S7s into the switch and the router. All wired devices were working as not going through the S7 but the initial S7 was still temperamental. It was reported and replaced with an older V1. 0 device which, was supplied with 1.5 firmware but was say that an update to the previous version was available. I did this out of curiosity and to clear the message but then had to manually update to 1.5

Next day, the replacement is sat with a red light on and WiFi devices had migrated to the other S7. 

Out of frustration, I decided to buy a new system from another company which is working as expected. 

I will, at some point retrieve it from the loft and update it with a revised firmware, however, I'm not in a rush. I will continue to monitor this thread.