@EnzoConqueror You should query the router on port UDP 161 for SNMP. Here are some more examples for you:...

@Firat Refer to this thread.

@EnzoConqueror . You can utilize standard snmpget command for reading the values of the TL-R605 LAN interface. You can follow this thread on how to calculate the bandwidth from the absolute values...

@daytonataz Here's the guide for setting VR300 in AP mode. Keep both devices in DSL Modem Router mode. According to your steps there's nothing missed. After rebooting the VR300 AP and connecting it...

@Bhavneet You should have Range Extender in Operation Mode: Here's how to configure C20 in Range Extender mode.

@AMathew Yes, that will be a good test if everything else is working as it should. You could build a simple WEB server for that test - it should be even easier. If you insist to check that with FTP...