GET /api/debug/network/

Low-level network stack diagnostics: PHY layer and MAC address.

For HTTP server state (connections, sessions, and port), see the httpd group in state-get.md.

Auth: Bearer (powerUser).

---

Response 200

{
  "phy": {
    "linkUp": true,
    "speed": 100,
    "fullDuplex": true,
    "autoNegComplete": true,
    "mac": "AA:BB:CC:DD:EE:FF",
    "macSource": "EUI48"
  }
}

Response fields

Field	Type	Description
phy.linkUp	boolean	Whether the Ethernet link is established
phy.speed	number	Link speed (Mbit/s): 10 or 100
phy.fullDuplex	boolean	Whether full-duplex mode is active
phy.autoNegComplete	boolean	Whether auto-negotiation is complete
phy.mac	string	Interface MAC address (AA:BB:CC:DD:EE:FF)
phy.macSource	string	"EUI48" (from flash) or "FALLBACK" (firmware)