Collector is not publishing live data. Check
systemctl status magpie-admin-collectorHistory
CPU %
Load average (1 core = 1.0)
Devices streaming
Throughput per minute
Network
Usage by hour of day, local time (avg devices streaming, last 7 days)
Busiest minutes
Highest CPU minutes
Based only on data collected since the dashboard went live.
Devices
Whitelisting works by IP. On mobile networks many users can share one IP, so whitelist only IPs you trust.