I'm not able to get complete internet bandwidth even if Transmit rate is 300 Mbps. My input internet bandwidth is 250Mbps. Even at TX 300Mbps, I see max 160Mbps with speedtest.net If I get any other router/access point, I do get 250Mbps. I see the bandwidth is always throttled to 60% of transmit rate available. This is not the case with other Wi-Fi routers I was testing. I'm on firmware version 22.214.171.124-126.96.36.199_54910
Here are few settings which I have tried:
Band steering mode: 5Ghz
Airtime fairness mode: Preferred AccessMin transmit power: 12
Max transmit power: Max
Broadcast filtering: ARP
Multicast transmission optimization: disabled
Dynamic multicast optimization: disabled
My full dump of running configs I have attached.
Any pointers to resolve this issue would be of great help.
The connection speed in Wireless is not equal to the TCP Throughput that you measure with a SpeedTest.
First, there is a lot of error correction and other overhead second Wireless is a half-duplex medium. So the traffic from AP to the client shares the same 'airtime' with the traffic from client to AP. As a (very) rough estimate, if you get half of the link speed as TCP throughput in a linktest, the network is performing quite okay and that is expected.
The numbers that you report seem pretty acceptable to me for a 300 Mbps 802.11n connection. You can't expect to get a speedtest at the rate something even near to the link speed.
This advertised speed versus nominal TCP throughput is something across the industry where higher numbers look better on datasheets.
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