ePDG monitoring is fully integrated into overall packet core monitoring:

<mermaid> flowchart TB

  subgraph Common["Unified Monitoring Stack"]
      PROM["Prometheus"]
      GRAF["Grafana"]
      AM["Alertmanager"]
  end

  subgraph Sources["Sources of EPC metrics"]
      DPI["FastDPI<br/>:9110"]
      SMF["SMF /metrics<br/>:9090"]
      PCEF["fast-pcef /metrics<br/>:9090"]
      PCRF["FastPCRF"]
      EPDG["fast-epdg<br/>:9817"]
  end

  DPI --> PROM
  SMF --> PROM
  PCEF --> PROM
  PCRF --> PROM
  EPDG --> PROM

  PROM --> GRAF
  PROM --> AM

</mermaid>

The NOC operator sees all EPC components (DPI, SMF, PCEF, FastPCRF, ePDG) in a single Grafana interface, with a single alarm system and notification routing through one Alertmanager.