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R7000 Quality of Service Speed Test 50% of Actual Speed
Recently started Comcast Gigabit service (about which more later) and the speed test option that appears if you check enable Qos, reports 400 to 500Mbps down and 10 to 40 up. Using a PC connected via...
barbarosa wrote:
Recently started Comcast Gigabit service (about which more later) and the speed test option that appears if you check enable Qos, reports 400 to 500Mbps down and 10 to 40 up. Using a PC connected via cat 6 to the router gets 923 down . My question is why does the QoS bandwidth test underreport by about half?
Forgive me if I don't read the rest of your long message, but the general advice is that with Gigabit internet, QoS is a pointless distraction that just slows you down. You simply don't need something that prioritises different services when your internet is that fast.
Indeed, there is a growing consensus that anything above 300 Mbps or so will suffer if QoS is turned on. The internal activity that QoS entails just slows things down.
Likewise traffic meters.
Thank you for replying. Let me clarify that I did not actually enable QofS. On the Basic tab of the menu select Quality of Service. If QoS is not enabled the page the only option is an Enable QoS check box. If you check the box other options appear, one of them being a speed test. You can run the test but but unless you check the Apply button before leaving the page QofS is not enabled. If you run a test and uncheck enabled the page the test results and optional settings vanish. Later if you return and check the Enable box the stored results appear.
Thus the mystery- QoS menu page speed test 400 to 500mbps but test numbers on an attached pc of >900.
The cure was one or a combination of two things. Resetting the routere to the factory defaults and elimination of line noise in the coax going to the modem and the X-1 DVR.
Prior to the line work we saw briefly 600 and 700mbps from the router, then it settled at around 400 and then dropped to around 190 down and 12 up.
The rest of the post was to point out that line line noise on the coax was was a sort of geewiz for those with comcast service
barbarosa wrote:
If QoS is not enabled the page the only option is an Enable QoS check box. If you check the box other options appear, one of them being a speed test.
That clears up a few things missing from your first message. It always helps to have the full details.
That QoS speedtest is famously broken and does not work in some new firmware for other devices.
Thank you, I can live with "famously broken" as the explanation.