KnownNetworkDeviceRole enum
NetworkDeviceRole é o papel do dispositivo: Exemplo: CE | ToR.
Campos
| CE | NetworkDeviceRole-CE(Customer Edge) |
| Management | NetworkDeviceRole-Management |
| NPB | NetworkDeviceRole-NPB(Corretor de Pacotes de Rede) |
| ToR | NetworkDeviceRole-ToR (topo do rack) |
| TS | NetworkDeviceRole-TS(Terminal Server) |