Can you tell what you other settings are.  And your firmware?

I have the same set up and have disabled QOS and TM, but still maxing out around 400.  Wondering whether I need to go to Tomato.

Thanks

dynamik:

 

I'm having the same issue as speshnz.

 

 

 

Vodafone suplied router:

 

11/9/2016
7:15 PM 7 875.63 96.30 < 50 Wellington ACSData

 

 

 

My R8000 - connected directly to the cable modem, with vlan 10

 

11/9/2016
7:56 PM 9 180.53 86.02 < 50 Wellington ACSData

 

 

 

Solved

 

Turn off QoS, and traffic meter (which I never realised was enabled).

 

11/10/2016
3:38 PM 7  880.48  96.90  < 50  Wellington ACSData