It would be best if you made a new topic for this, include the answers to these questions there:
What is the model of the modem/router the R3 is connected to and how have you set that to ensure all traffic flows to the R3? E.g R3 in its DMZ, modem/bridge mode
Are ALL devices connected to the R3?
What are the speeds you pay for/receive?
Have you entered those speeds into the router?
How have you setup Congestion Control?
How have you setup SmartBOOST?
What game are you playing?
What platform are you playing on and how is it connected, via ethernet or WiFi?
How have you setup the Geo-Filter?
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