So I currently am having severe lag issues while gaming. I am hardwired meaning this -There is a main xfinity gateway(modem/router combo) in one room in my house. That gateway is the main one and I have nothing to do with it. It is my mother's for her workstation and I do not bother with it.In my bedroom I am hardwired - meaning I have a coaxial cable outlet in my room that I connect via coaxial cable to my Netgear CM1000 modem. From the modem, I am connected via ethernet cable to my Netgear nighthawk XR500 gaming router. And then there is one more ethernet cable from the XR500 to my gaming PC.I have tried: connecting my PC only to my modem; that has failed as I still lag. I also have tried connecting as stated above, via modem & router to my PC; I lag. I have tried to connect WiFi to the Xfinity gateway across the house; I still lag... And when I mean lag, I am getting severe packet loss, my game freezes to the point I can't even play for over 5 seconds at a time, etc..My equipment is all in perfect condition as far as the modem, router, and cables(brand new CAT-5E cable & CAT 6 cable; and it's a newer coaxial cable as well)Me and my mother pay for Xfinity - speeds up to 600mbps download/15mbps upload. And we are getting just that. Even more; up to 700mbps download/20mbps upload.And ping is great as well at 10-25 ping in game. The numbers are great, but I can't even play anymore due to all of this.-Side note- I already contacted Xfinity about this in the past - they can't come out due to COVID currently, so I need an alternative for the time being if possible...Any help would be appreciated! Thank you!

I would download "pingplotter". You are indicating that no matter what your setup you have low "ping" to something (maybe the game server is telling you that?). But Ping is a small piece of a connection. I mention that because you also say you have a lot of packet loss, to the point you cant play at all sometimes. 1. Disconnect YOUR modem. Just because it kind of works doesnt mean it works. 2. Reset your whole system; Unplug your moms gateway and let it sit for a minute or so, and plug it back in, WITHOUT your modem connected or on.3. Connect to your moms gateway with wifi or wired if possible (it doesnt really matter) and use ping plotter (free version is fine) to see where you are losing packets on your path to the game server (or any server - 8.8.8.8 is google, and easy to remember). You MIGHT see packet loss at one node and none at the next; that is a frequency cap issue (some nodes will only resond to requests X times a second before they stop to ward off attacks, and then just pass on the packet). What you are looking for is a packet loss that gets all the way to the end. If its beyond the first two jumps, it is the ISP dropping packets. Note where it starts and contact the ISP with that address. They might have broken hardware. If thats the case you can ack for a rerout and they might know what you are talking about. If it shows packet loss between your modem and ISP (first jump or so), it could be the ISP OR modem. Check your modem settings at 192.168.100.1 in your browser (your browser might warn its not a secure connection, it doesnt matter). You should be able to look up the default password online: log in and check "connection". "Downstream" connection dBmV should be between 10 and -10 (0 is ideal, but if its all 0, its an error). This indicates how much "noise" is comin to you, and the power level is requested by the ISP. If its betyond those values, contact your ISP. If there is a lot of "uncorrected" it indicates a problem with how you are getting packets, and that is also an ISP problem. Upstream should be between 35 (iirc) and 50 dBmV, where 50 (and 50+, some modems max out at 50) would indicate a problem with the noise upstream. What is happening is that your modem will try and use as little power as possible to talk to the ISP, and when it cant, it raises the power, like shouting into your phone when its windy. At some point it will run out of power. Anything above 45 on the ISP's end will usually make them curious and trigger some steps to check it. BUT the ISP usually wont care or notice if you dont bring it up to them. In that case, before you go wait on hold to talk to your ISP, first check all your connections. If you are able replace any crimp or screw coaxial connectors with compression fitting (I bought a kit and it was worth it just to have proper length cables) and replace any splitters between your "drop (where the line comes in)" and your modem with high quality splitters. Finally, you can run a new cable to your modem through a doorway adhoc, and test if it is a degraded cable. All-in that check cost me like $50: Its NOT your job to check, so if you dont have the desire to buy and deal with it, make the ISP do it. If that fails to resolve your problem, contact your ISP and explain the trouble shooting steps you have taken, and the data you have. It is not unlikely that having two modems is the problem; they are both trying to talk at teh same time as the same account. There is a reason they said it wasnt approved. So, that is why I say remove the "unknown" device and make sure its not your ISP. If it all looks good, typically you can change out your modem online by selecting a new modem. Ask you mom when you can test YOUR setup (maybe a weekend) and disconnect her gateway, and connect your modem and router. Go through the same steps. If there is no issue then, its probably the two modems. If thats the case ask the ISP how you can resolve it. Keep escalating to a supervisor until they resolve it or are clear why they cannot.

Do you pay for 2 different setups? Since you have a xfinity modem and a cm1000 listed? I'm curious how its actually setup.

Well that is the thing. I don't pay for 2 different setups. Everyone is wondering how the one in my bedroom is even running. We don't pay extra at all. There is just the second coaxial cable port in my wall in my bedroom; so I plugged it up and it just runs connects.

My CM1000 is also listed as the second modem on the xfinity account because I called them once asking is it okay to have 2 different "setups" ran in the same household. The guy said that generally it us unusual, and sometimes it works, but in my situation it will not work. I then got off the phone with him; set it up myself, and it just connected to the internet somehow.

2 modems actively running on 1 account could be your issue. Are they both showing as active on your account?If you speedtest try hardwiring into them both and testing speeds on each individually and then test them both at the same time. What speeds do you pay for? What speeds do you get hardwired into both? seperate? do you get the lag if you're directly connected to the modem?

Still lagging while gaming with ethernet connection

14 Replies

plemans
Guru - Experienced User
Jun 21, 2020
Do you pay for 2 different setups? Since you have a xfinity modem and a cm1000 listed?
I'm curious how its actually setup.
- DirtySZN
  Aspirant
  Jun 21, 2020
  Well that is the thing. I don't pay for 2 different setups. Everyone is wondering how the one in my bedroom is even running. We don't pay extra at all. There is just the second coaxial cable port in my wall in my bedroom; so I plugged it up and it just runs connects.
- DirtySZN
  Aspirant
  Jun 21, 2020
  My CM1000 is also listed as the second modem on the xfinity account because I called them once asking is it okay to have 2 different "setups" ran in the same household. The guy said that generally it us unusual, and sometimes it works, but in my situation it will not work.
  I then got off the phone with him; set it up myself, and it just connected to the internet somehow.
  - plemans
    Guru - Experienced User
    Jun 21, 2020
    2 modems actively running on 1 account could be your issue. Are they both showing as active on your account?
    If you speedtest try hardwiring into them both and testing speeds on each individually and then test them both at the same time.
    What speeds do you pay for?
    What speeds do you get hardwired into both? seperate?
    do you get the lag if you're directly connected to the modem?

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Still lagging while gaming with ethernet connection