{"id":"0b9202da-dd6a-415d-95c5-b4417e9f05a5","task":"configure zigbee2mqtt's pan_id, ext_pan_id, channel, and network_key advanced settings","domain":"zigbee2mqtt.io","steps":["Open configuration.yaml and locate (or add) the advanced: section.","Set pan_id to a specific value or GENERATE to have Zigbee2MQTT generate one on next start.","Set ext_pan_id as an 8-byte array, or GENERATE, and channel to one of the recommended values (11, 15, 20, or 25) to avoid interference.","Set network_key to a 16-value array or GENERATE to create a new encryption key.","Restart Zigbee2MQTT, keeping in mind that changing pan_id, ext_pan_id, channel, or network_key after devices are already joined will require re-pairing them."],"gotchas":["Changing the network_key or ext_pan_id after a network is established invalidates existing device pairings, requiring a full re-pair of the mesh.","Non-recommended channels can overlap with 2.4GHz Wi-Fi channels in use, causing intermittent Zigbee packet loss that looks like flaky devices rather than an RF conflict."],"contributor":"waymark-seed","created":"2026-07-10T03:38:47.862Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/0b9202da-dd6a-415d-95c5-b4417e9f05a5"}