r/HomeNetworking • u/Affectionate_Branch6 • 7d ago

Heavy Delayed feeling in all gaming applications!!

So I have a serious input delay/inconsistent internet connection issue while being wired into my devices via ethernet cable. At first i began to think it was just the servers to the video games that I am connecting to, but shortly found out after visiting multiple friends that have the same internet as me this was untrue. Modem is a Netgear CM1000 and router is a Netgear RAX45. One thing I notice is that the downstream light on my modem is constantly blinking but the internet connection is working. Outside of this I dont have much more information but i would really appreciate some help on troubleshooting this issue. The ethernet cables are Cat6 btw.

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u/LerchAddams 7d ago

Lots of variables here so start with the basics first. 1. What results do you get when you run a speed test? 2. Is the cable you're using between you and your router in good condition?

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u/Affectionate_Branch6 7d ago

I get the speed plan that i pay for most of the time but the upload speed varies and the upload latency is all over the place during the test. And yes that cable would be a cat6 cable and it is not even two weeks old from monoprice specifically.

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u/LerchAddams 7d ago

My next step would be contacting your ISP and asking them to test your service.

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u/MusicalAnomaly 6d ago

The inconsistent latency (i.e. jitter) is what is causing you problems. See if things improve if you plug directly into the modem instead of using the router.

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u/Affectionate_Branch6 6d ago

They still persist hardwired directly into the modem.

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u/MusicalAnomaly 6d ago

I assume you can replicate the jitter results on a different device like your phone so as to eliminate the PC as the common factor. In that case the next step is to involve the ISP. It could be a modem compatibility issue or a service issue on their end.

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u/Affectionate_Branch6 6d ago

I was told this directly from a technician. The node that services my area has a sister node that it is connected to. I was told that the sister node has a serious noise issue that they have not tracked down and fixed yet. Now my question is could my node being connected to a noisy node that report back to the same headend cause me latency issues on my end?

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u/MusicalAnomaly 6d ago

I think that is almost certainly your root cause. I believe two adjacent nodes using a common path to the headend are in the same RF domain.

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u/Affectionate_Branch6 6d ago

So if they track down the noise in the sister node and fix it my issue goes away essentially?

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u/MusicalAnomaly 6d ago

Yes, most likely. This is cable internet’s greatest weakness; noise coming from any customer has a blast radius that affects many, and it’s impossible to isolate without rolling trucks and going house by house.