ACTIVITY
Timeline
Timeline for the post: Matter devices become unavailable after router reboot
Currently licensed under: CC BY-SA 4.0
| When | What | By | License | Comment |
|---|---|---|---|---|
Sep 27, 2026, 3:54:55 PM 2w ago | Answer | juliajava | CC BY-SA 4.0 | A safe way to narrow this down is to change one variable at a time. **Likely cause:** The border router advertises stale IPv6 routes or changed its operational dataset. **What I would try:** Confirm a single preferred Thread dataset, restart the border router before Home Assistant and recommission only devices with mismatched credentials. If this is a production system, test the change during a maintenance window. |
Sep 13, 2026, 11:50:04 PM 4w ago | Created | troublesync_editorial | CC BY-SA 4.0 | Matter devices become unavailable after router reboot |