Matter server troubleshooting

IPV6 needs to be enabled on the network adapter used!

Configure network interfaces

ws://core-matter-server:5580/ws


[1707467165.098945][125:125] CHIP:DL: Failed to get WiFi interface
[1707467165.098974][125:125] CHIP:DL: Failed to reset WiFi statistic counts
ERROR MDNS


multiple network interfaces

using multiple LANs/VLANs with multiple network interfaces on the HA host

Matter Server Add-on

I do have all my matter devices on a separate IoT subnet/VLAN. I added an extra network interface for HA so it could communicate with the IPv6 devices on this IoT network, which all works fine on 5.0.4

https://github.com/home-assistant/addons/issues/3453

Matter Server Add-on






Step 1.
From your initial logs, I don't see an issue. The add-on seems to have started correctly.

Step 2.
At this point the Core integration should connect to the add-on.
Step 3.
Is it saying "Failed setup, will retry? If so, I'd suggest to remove the integration and readd it with the URL ws://core-matter-server:5580/ws

https://github.com/home-assistant/core/issues/109926#issuecomment-1934379702