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Slow speeds / high ping

Duffster27
Tuning in

I appear to be having slow internet speeds and high ping when gaming (anywhere between 40 - 80).

On my wired PC I am getting about 95Mbps up and 36Mbps down. On my laptop (wireless), I am getting 82Mbps down and 35Mbps up.

I have the below setup:

  1. Virgin Media Hub 4 is in modem mode and is connected via Ethernet to a Deco M4R (which I assume is your main router or access point).
  2. From the Deco M4R, an Ethernet cable runs to a Switch 1.
  3. Switch 1 is a TP LInk SG105 (5) has connections to:
    • A Hive Hub (for heating).
    • Switch 2.
    • My PC.
  4. Switch 2 is a D-Link DGS-1008P/B 8-Port Gigabit and has connections to:
    •  Camera 1 POE camera.
    •  Camera 2 POE camera.
    •  Camera 3 POE camera.
    •  Camera 4 POE camera.
    • A NAS (CCTV Storage).
    • Connection to Switch 1
  5. I have another Deco M4R downstairs, which is connected wirelessly to the main Deco M4R to extend the WiFi network. Deco M4R downstairs has a wire into our Virgin Media TV box.

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The reason I started with the mesh in the first place was following recommendations of a Senior Virgin Media Tech back in 2019 when I had persistent internet problems. 

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How can I optimise this as the speed drop seems quite sudden?

I am on VM 350Mbps package

9 REPLIES 9

jpeg1
Alessandro Volta

Well the BQM doesn't show anything abnormal. The minimum latency is just a little higher than average but no serious spikes or packet loss - many users have to put up with much worse. 

I think the first step to resolving this is to run a speed test with an ethernet connected device directly on the Hub port and everything else removed. This will establish whether the speed problems are caused on the VM side of the Hub, or something internal. 

- jpeg1
My name is NOT Alessandro. That's just a tag Virginmedia sticks on some contributors. Please ignore it.

Client62
Hero

"On my wired PC I am getting about 95Mbps up and 36Mbps down"

Given the M350 connection I am assuming the directions are reversed, if that is the case 95Mb/s downstream on a network cabled connection could mean one of the cables to or prior to the PC has been de-rated from 1000Mb/s to 100Mb/s.

Noting the Wi-Fi maxed out at 85Mb/s, perhaps the cable from the Hub 4 to the Deco is the 1st to check.
The menus of the Hub 4 and or Deco may display the network link speed.

Hello.

I have ran a speed test direct from Modem to PC (bypassing switch/deco etc).

I received 385Mbps download and 37Mbps upload

Re-adding Deco back into it and missing out the CCTV (so Modem to Deco to PC, while Deco acting as router for wireless devices) took me to 253Mbps.

Re-adding the switch back into the mix (e.g. CCTV) took me to 251Mbps.

Hello.

Apologies, that's my bad. I meant 95Mbps down and 36Mbps up - you were right.

I think something de-rated one of the cables perhaps, as I mentioned above 

I have ran a speed test direct from Modem to PC (bypassing switch/deco etc).

I received 385Mbps download and 37Mbps upload

Re-adding Deco back into it and missing out the CCTV (so Modem to Deco to PC, while Deco acting as router for wireless devices) took me to 253Mbps.

Re-adding the switch back into the mix (e.g. CCTV) took me to 251Mbps.

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However, I also moved some of the cables around (and swapped out 2 - I should've done it slower so I could've ruled out the cable!).

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Do you think there is anyway I can continue to improve the PC speed now? 250Mbps is certainly an improvement for sure, but would be good to see if I can unlock that full 350Mbps.

carl_pearce
Community elder

Have you disabled any QOS settings in the Deco?

jpeg1
Alessandro Volta

You have to understand that the speedtest is not an absolute measurement of what is going through the Hub.

It measures what is going through the Hub and the router to the testing device. If your router is also serving several cameras at the same time and a Wifi network too, it will be taking time to serve them all and the speed test will show a reduced value. 

As @carl_pearce said, you could play with QOS, but for most domestic networks that is best left off altogether. 

- jpeg1
My name is NOT Alessandro. That's just a tag Virginmedia sticks on some contributors. Please ignore it.

The QOS bandwidth in Deco setting is set to 350Mbps down and 200 Mbps up.

 

No devices have been marked as priority.

Trying disabling it.