Yes, clients returned via getDeviceClients endpoint is displayed in Network-Wide -> Client. But I finally understand what was wrong. MR device is considered as client for MX device and getDeviceClients endpoint detects it but getNetworkClients endpoint works only with clients of wireless devices and doesn't return clients of swithes and other types. That was exactly what I was trying to understand. Therefore, I sincerely thank everyone for their help.
... View more