I have a multi-TBR setup with (1) Nest Hub Max, (3) Nest Hub v2, and a SkyConnect OTBR (see photo below). The HA Thread integration is currently set to use HA OTBR for Android + IOS credentials.
I have been able to add/control Matter-over-Thread (MoT) devices using the HA Companion App (Android) without issue. The reason I’m looking into this in the first place my new Google Streamer keeps wanting to create its own Thread network instead of joining my existing one. I initially created a post on reddit r/googlehome, but I have not received any answers so I’m reaching out the HA community. While investigating the Streamer issue, I noticed my OTBR add-on is showing several errors in the logs (example below). That led me to question whether my SkyConnect/OTBR is functioning properly, prompting my curiosity on whether I should set one of the other TBRs as the credential manager. I’m not sure how long OTBR has been showing these errors, and I’m not even sure how that all works or if it matters which router manages the credentials.
I have a few questions:
- Should I use a Nest Hub or HA OTBR for sharing Android + IOS credentials? I can’t find any documentation indicating one way or the other. Does it even matter?
- Any thoughts on why my Streamer keeps wanting to create another Thread network despite my other Google devices automatically joining together? It’s worth noting that my existing Nest Hubs created the initial thread network which I joined the Skyconnect/OTBR to.
- Are the below errors indicative of an issue (that matters) with the OTBR Add-on? If so, any suggestions?
00:00:00.684 [W] Mle-----------: Failed to process Link Accept: Security
Default: mDNSPlatformSendUDP got error 99 (Cannot assign requested address) sending packet to ff02::fb on interface fe80::c2e:2aff:fe78:b87e/vethd6f5f39/3000:07:02.223
[N] MeshForwarder-: Failed to send IPv6 UDP msg, len:173, chksum:1b78, ecn:no, to:0x1c00, sec:yes, error:NoAck, prio:low, radio:15.4
00:07:02.223 [N] MeshForwarder-: src:[fd1d:98e7:2be8:1:2cf0:b70c:a546:9a0b]:46959
00:07:02.223 [N] MeshForwarder-: dst:[fd1d:98e7:2be8:1:efe5:114f:751a:3414]:5540
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