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Latency spiking on ping test.

Last response: in Networking
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July 16, 2014 10:26:23 PM

Been having a ton of latency spikes on League of Legends so I ran a ping test to my router/modem combo and got <1ms on almost all but every 2-3 minutes it would spike anywhere from ~120 to over 1900ms then back to <1 ms. All of the threads I found about this deal with wireless connections and interference to the signal.

I am on a wired connection as is my roommate and his ping test gets no spikes. Does this mean it's an issue with my network adapter? Is there something else it could be? I have re-installed the drivers for the network adapter already.
July 16, 2014 10:48:46 PM

you should run performance monitor to see what is going on - also check event viewer to see if there's an error
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July 16, 2014 11:50:19 PM

dingo07 said:
you should run performance monitor to see what is going on - also check event viewer to see if there's an error


What would performance monitor show me that a ping test doesnt already show? and what should i check in event viewer?
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July 17, 2014 8:14:52 PM

it might show you what process is hijacking your network port and doing what you originally described

you need to do more troubleshooting - does it happen only with LoL? if you swap ethernet cables with your friend, does it still happen? what if you connect into another port?
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July 17, 2014 8:38:29 PM

dingo07 said:
it might show you what process is hijacking your network port and doing what you originally described

you need to do more troubleshooting - does it happen only with LoL? if you swap ethernet cables with your friend, does it still happen? what if you connect into another port?


It happens when I run a ping test to the router, on LoL, on Path of Exile. I was on wireless and bought a new ethernet cable because I thought it might stop the ping spikes. It didn't help the ping spikes, only improved my download speeds. I am fairly certain it isn't the ethernet cable or the port I'm using on the router/modem since I had the exact same issue before I began using an ethernet cable. My only guesses are some driver or setting issue on my pc or my network card built into motherboard isn't working properly and I need a new PCI slot NIC.

I don't know what to use or look for as far as a performance monitor is concerned. I just ran cmd prompt with ping 192.168.0.1 -t and left it running to see the spikes.

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July 20, 2014 12:37:07 AM

Have a fresh install of windows and it is still happening. Tried a different port on the router/modem. only thing I can guess is my onboard NIC is bad. If no ideas for a solution soon I'll just buy a new NIC to try that ;/
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July 20, 2014 10:28:34 PM

it could be the driver... it's definitely not the nic that's bad if it works normally, 99% of the time, and only glitches during that one game

it must be a conflict between the drivers and the game
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July 20, 2014 11:11:35 PM

dingo07 said:
it could be the driver... it's definitely not the nic that's bad if it works normally, 99% of the time, and only glitches during that one game

it must be a conflict between the drivers and the game


It's not during one game. I have nothing running when I run ping test besides the cmd prompt. I have noticeable lag spikes in any online game I play.
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July 20, 2014 11:30:26 PM

then your mac is being throttled by your isp - ask them to put you on their white list
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July 21, 2014 1:12:42 AM

This is what I am getting. this has nothing to so with my ISP as it is sending a data packet to the router and waiting for a reply. doesn't even hit the internet or anything to do with my ISP I'm pretty sure.
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July 21, 2014 7:39:08 AM

Try useing a program like http://winmtr.net . There is a small overhead with all dhcp networks. The dhcp server could be updateing leased ip address, when you are running ping test. There are a lot of windows services running in the background eating small amounts of data without your knowledge. I think removeing any unused services like file sharing/ network discovery could have a small impact on ping spike. The event viewer is a good start in trying to isolate spike in ping test.

Boot windows into safe mode and try the same ping test.
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