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Forum Discussion
Xfinity speeds now half with upgrade to CM2000 modem + XR1000 router
ISP: xfinity Internet Plan: Blast! Pro + Internet (speeds up to 400Mbps) Replaced my AC1750 cable modem router (c6300) that was previously on the same xfinity internet plan. Speedtest.net tested...
None of my devices are no longer achieving decent speed. I’ve ran speedtest.net on my work laptop, personal laptop, and iPhone. Prior to the switch in equipment I was getting much much better speeds. My main reasons for switching was to hopefully help my ps5 achieve greater speed and to future proof for Gig or fiber internet later down the line.
Have you configured QoS? If you completely disable it from the three-line menu in Congestion Control, do speeds then increase?
i just disabled QoS and my ps5 did achieve better speeds, but it wasn't as consistent across all devices as I'd hoped.
Test ran between 8:00a - 10:30am
PS5 hardwired
Test 1: 426Mbps/11.5Mbps
Test 2: 395Mbps/11.7Mbps
Test 3: 372Mbps/11.7Mbps
iPhone 11 Pro (speedtest.net app) wifi
Test 1: 309Mbps/11.7Mbps
Test 2: 337Mbps/11.7Mbps
Test 3: 453Mbps/11.2Mbps
Macbook Pro (Late 2011) wifi
Test 1: 224.48Mbps/11.64Mbps
Test 2: 266.30Mbps/11.65Mbps
Test 3: 267.63Mbps/11.85Mbps
Macbook Pro (Late 2011) hardwired with same cat6 ethernet cable from PS5
Test 1: 475.70Mbps/11.69Mbps
Test 2: 474.39Mbps/11.60Mbps
Test 3: 475.56Mbps/11.84Mbps
Kind of a let down that QoS has to be turned off in order to achieve better speeds. I was looking forward to the QoS feature because both my brother and myself game and I wanted to utilize it to help with lag and such. I'm on the PS5 and he's on PC.
How can I configure QoS to achieve equalto or better speeds that my previous dated modem/router?
Devices on my network:
2 smartphones (wifi)
1 smart tv (wifi)
2 laptops (wifi)
PC (wifi)
PS5 (hardwired)
2 security cameras (wifi)
wall ac unit (wifi)
- It seems to me there is an inherent inconsistency in your speeds anyway - you expect up to 400Mbps and yet get up to 475Mbps. The router won't allow you to get any more than they are outputting to you. What speeds did you enter into Bandwidth Settings?
QoS is currently disabled, but bandwith setting were set to 100% and that setting didn't perform as expected. I also tested the speed to my PS5 by allocating all bandwidth and adding it to the Traffic Prioritizaion list. Again, poor speed and performance which doesn't make much sense since it should have all been going to the ps5 via LAN. Why would utilizing the QoS feature reduce speed and performance?
Also speed flucuations between 50-100Mbps doesn't make sense with my new equipment. I figured that a 32x8 docsis 3.1 with a wifi 6 gaming router would provide more stable speeds for all devices.
