Matter devices not connecting to hidden SSID? HASS unable to communicate during commisioning

Configuration Matter/Thread
1

I'm attempting to setup Matter with local Bluetooth commissioning on my Raspi 3b based HASS install.
The Matter devices I have go over WiFi rather than Thread so my plan was to connect my HASS over wlan0 to my iot WiFi network so it can do all it's IPv6 stuff without me having to worry about any routing stuff (I operate everything else over Ethernet on a different vlan just IPv4) however that doesn't seem to be working, namely I can never see the Matter device connect to my iot network, which is hidden,

The main question I have is if Matter devices can connect to hidden SSID's? I would hope so, but home assistant's logs only show there was an issue communication while commissioning (tcpdump shows it sends matter multicast messages but never gets any response)

Thanks!

2

Matter requires IPv6 on all parts involved. HA, Matter server, device and if used OTBR.

Matter use mDNS, which can not be handled with standard IP routing and firewalls do not have an effect either.

3

That depends on the device itself. Matter is a high-level protocol which doesn't care how the device connects to the network. That's why you can mix matter-over-wifi and matter-over-thread.
Once the device is actually connected to you network, the fact that it is behind an hidden SSID doesn't ... matter.

1 Like
4

Sorry I haven't responded yet as soon as I posted this my install has developed a constant rebooting issue, maybe 1gb of RAM no longer suffices :confused:

5

Hi all!
I think this was minorly a RAM issue and majorly a version issue
Version 8 of the Matter server while taking little RAM just didn't work at all, wouldn't commission the device over Bluetooth
Version 9 takes enough RAM I have to disable some apps but using the --bluetooth-adapter option it works and can comission devices immediently!! I also use the --primary-interface wlan0 to make sure it uses my iot WiFi.
Sorry to waste time!