Steam game updates slowing internet speed to 30mbps from 1gbps

[Its ok Ive got enough Chicozines]

My internet connection is then locked to 30mbps until I fix it by unplugging my entire pc and router/modem. I'm getting sick of doing that every time I need a 5mb update to some random game and apparently no one else has this problem so there's nothing on google to fix this it's even worse when I need to download the bigger updates. I pay for 1gbps and usually get around 900mbps and sometimes the updates all download at once fine but suddenly it will set the whole network to exactly 30mbps

[nullable]

I have 1Gbps Internet and I can't say I ever experienced this. I'm going to argue that correlation doesn't necessarily mean causation, Seam shouldn't be affecting your network like you're seeing. So while there may be some relationship, the issue may be a problem with your configuration or some kind of throttling the ISP is doing.

And the thing with internet connections is you can't always fix problems, you don't have control or access to the whole connection from end to end, so unless the problem happens to be between the modem and your PC, you probably need to check with your ISP. They may be able to determine an underlying cause or issue.

Although there may be some more things you can do to test and discern a pattern. If you were to limit Steam to using 25% of your bandwidth does the problem still persist? Roughly 225Mbps/28MBps. To be clear I don't expect it to be a solution, just a test of the behavior.

[Satoru]

https://steamcommunity.com/sharedfiles/filedetails/?id=1082209554

Steam updates are limited by

1) your disk IO
2) your cpu
3) your anti-virus killing disk IO performance
4) your ISP

[Its ok Ive got enough Chicozines]

I thought the fix to get the 1gbps speed back was unplugging my router/modem and giving it a minute but the fix is actually just the act of powering all 3 down, I don't even have to wait and it goes from 31mb to my normal 900mb speeds when my pc boots again x _x
nullable I'll have to test the 25% limiting when I have another update I guess
Satoru you post that in like every thread, nothing in there says anything about steam actually setting your ENTIRE internet speed from 1 gbps to 30mbps forever until you unplug everything

[Its ok Ive got enough Chicozines]

Limiting download speed to 225mbps and I was able to update a few small things without my entire network download speed getting set to 30mb but I have a feeling it must be certain game updates that cause the issue. I also don't mean to sound rude or anything I'm just a bit upset and honestly stunned no one has brought this issue up before, they instantly bring up irrelevant stuff like steam deck.

[nullable]

Originally posted by Its ok Ive got enough Chicozines:

Limiting download speed to 225mbps and I was able to update a few small things without my entire network download speed getting set to 30mb but I have a feeling it must be certain game updates that cause the issue. I also don't mean to sound rude or anything I'm just a bit upset and honestly stunned no one has brought this issue up before, they instantly bring up irrelevant stuff like steam deck.

Well there's even less reason specific game updates would affect your entire network, it's not magically changing configs or settings. So if there's some kind of consistency or pattern you mat still need to address the issue with your ISP.

I guess alternatively, when downloading seems to limit your network speed to 30Mbps does that affect all devices on the network, or just the PC you were using?

Is it really a network/modem issue? Or is it some kind of PC issue?

[Its ok Ive got enough Chicozines]

I have a backup pc, it effects both when the issue occurs but it's been awhile since I've checked so I could be wrong. I'll check again when/if the issue occurs again but I swear it slows everything to 30mbps for the entire house and we share the 30mbps so sometimes it goes to 20 or below 10mbps.

[nullable]

Originally posted by Its ok Ive got enough Chicozines:

I have a backup pc, it effects both when the issue occurs but it's been awhile since I've checked so I could be wrong. I'll check again when/if the issue occurs again but I swear it slows everything to 30mbps for the entire house and we share the 30mbps so sometimes it goes to 20 or below 10mbps.

I don't doubt you, and a second test additional test won't hurt even if it confirms what you already know. I'm just trying to troubleshoot the easy/dumb stuff out of the way. If you're sure either way that the suddenly 30Mbps limit affects all devices it would point more towards the modem/router than a specific device. And that's good info to know and lets you focus on the most probable source.

If you have a separate modem and router I might test the to see if Steam downloads cripple your speed with a direct line to the modem. Ruling the router out would also be helpful. But if the slowness only occurs with the router in the middle then a look at the router might be the ticket.