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Massive lag while gaming and using Netflix.

post #1 of 7
Thread Starter 
Last night, I notice a strange occurrence. While I was playing BF3, my GF had started watching a TV show on Netflix and my lag went through the roof. It seemed as if I had hit a massive lag spike all at once and I couldn't recover from it. Today, the same thing happens. I'm gaming fine, no issues (surprising for BF3 Lol), and my GF loaded up her show, and BAM! huge lag spike again.

Just to make sure it wasn't something to do with BF3, I loaded up wow, and saw my ping internal to the game, I was seeing approximately 2500ms of lag, which is massive. Generally I don't see anything out of the double digits. There seems to be some correlation with Netflix, and gaming as of recently. I cant remember if I have tried gaming prior to this while watching Netflix or not, but I do know that we are both able to run 2 simultaneous feeds of Netflix, and both browse the internet with no issues.

Here is the setup:


I have Time Warner Cable as an ISP. I have their modem going to a Linksys WRT110 wireless router. My GF's rig is connected to a lan port via an Ethernet connection, and my rig is connected via wireless with a Linksys USB600N wireless adapter. Generally I see about 15mbps download and a little over 1Mbps upload. With her running Netflix and me running Speetest.net's java speed test, im getting 6.75Mbps, and 0.97Mbps upload with a 16ms ping. Surely I should be able to game with a result like that.

I only know the basics of networking, so I am clueless when it comes down to diagnostics, and so forth. I could really use some help.

Edit: Running the test again, after she disconnected with Netflix, im seeing .59Mbps download and .44Mbps upload with 14ms of ping. Something strange is going on here. I dont know how reliable speedtest is, but it seems as if I have an issue with my connection.
Edited by Mattb2e - 1/8/12 at 1:29pm
post #2 of 7
Sounds like your ISP/modem is acting up if you are getting wildly different speeds. After you get that straightened out I would set some bandwidth priority rules for your router.
post #3 of 7
Thread Starter 
Quote:
Originally Posted by d-block View Post

Sounds like your ISP/modem is acting up if you are getting wildly different speeds. After you get that straightened out I would set some bandwidth priority rules for your router.

I have power cycled both the modem and the router just to be sure it wasnt something as simple as that. Even with my GF not running Netflix im only in the realm of 6-7Mbps download. Im thinking that either there is some really severe network traffic going on with the ISP, or there is something wrong with my modem. I really dont know enough about networking to really make a determination like that though.

Is there any testing, or settings I should check before I call Time Warner about the issue?
post #4 of 7
I'd say just call them. They can probably tell you whats up wink.gif
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post #5 of 7
I too have time warner cable SoCal, and I'm guessing depending on the area they'll listen if you call. I called them since I've been having the same problems (xbox360 & seperate netflix box). All they'll tell you is that to powercycle your modem. When they do send a tech out, the tech will just tell you that your using your internet too much or something along those lines. Frustrating but im stuck with TWC because its the only one serving my area. -_-
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post #6 of 7
720p streaming can eat up to 5 mbit. Between that and your other WAN traffic would not be surprised if you are saturating your link.

Could always try prioritizing UDP within your router's QoS, or setting a max link limit slightly below your tested throughput numbers.
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post #7 of 7
Thread Starter 
I just ran speedtest again, after waiting several hours. I pulled 28Mbps DL and 1Mbps UL, so everything is back to normal. Im wondering if they found an issue and fixed it, or what the deal is. Im just hoping that things stay this way biggrin.gif


At any rate, It appears that my router does support QOS, however im unfamiliar as to how to set it up. Its asking for port addresses, I have no clue what I would input. I dont appear to have a bandwidth manager in the router. My understanding of QOS is that it will just prioritize the incoming and outgoing data dependent on what its set up for, this is different from bandwidth caps correct?
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