{ "title": "WARNING: abnormal syslog volume from network equipment", "description": "A single switch/OLT/router is sending far more syslog messages than normal - often a symptom of interface flapping, an ARP/MAC-move loop, or a spanning-tree issue. Threshold calibrated live on 2026-07-22 against real network equipment traffic: the observed device was steadily sending ~30-60 msgs/5min (~360/hour) under normal conditions, so the threshold gives roughly 10x headroom above that baseline.", "priority": 2, "alert": true, "config": { "type": "aggregation-v1", "query": "*", "streams": ["__NETWORK_STREAM_ID__"], "group_by": ["gl2_remote_ip"], "series": [{"type": "count", "id": "count-", "field": null}], "conditions": {"expression": {"expr": ">", "left": {"expr": "number-ref", "ref": "count-"}, "right": {"expr": "number", "value": 500.0}}}, "search_within_ms": 300000, "execute_every_ms": 300000, "event_limit": 50 }, "field_spec": {}, "key_spec": [], "notification_settings": {"grace_period_ms": 900000, "backlog_size": 5}, "notifications": [{"notification_id": "__DISCORD_NOTIFICATION_ID__"}] }