Step 1:
Go to the Settings app on your Android device.
Step 2:
Tap on Network & Internet or Connections > Wi-Fi
Step 3:
Tap the gear icon next to the Wi-Fi name of the Linksys router or node your device is connected to.
Step 4:
Tap on MAC address type.
Step 5:
Select Use device MAC.
Step 6:
Turn OFF your device's Wi-Fi and then ON again.