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Random Lag Spikes..

post #1 of 7
Thread Starter 
Hey guys.

So lately I've been getting lag spikes in all of my games for no reason. I suspect it has something to do with either my wireless adapter or my modem. When I enter a server on TF2 my ping starts out good at about 20, then within a couple of minutes it goes up to 150 and stays there. The net_graph 2 function in the developer console shows my ping bouncing from 50-150 in a matter of seconds, so something is up.

My router is a RT-N66u, and our internet plan is 25Mbps down and 6Mbps up. But our router and modem is in the basement, and my PC is all the way upstairs on the second floor, so I usually get 10-13Mbps down and 5Mbps up. Doing a SpeedTest right now, my ping is at an astonishing 196ms on Comcast's server in Chicago, which I am less than 40 miles away from. I feel like it is this crappy generic wireless adapter I have, but I could be wrong.

http://www.speedtest.net/result/3055336329.png

Doing a ping test to Google gives me this:

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Windows\system32>ping www.google.com

Pinging www.google.com [74.125.225.116] with 32 bytes of data:
Reply from 74.125.225.116: bytes=32 time=482ms TTL=54
Reply from 74.125.225.116: bytes=32 time=490ms TTL=54
Reply from 74.125.225.116: bytes=32 time=491ms TTL=54
Reply from 74.125.225.116: bytes=32 time=493ms TTL=54

Ping statistics for 74.125.225.116:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 482ms, Maximum = 493ms, Average = 489ms

C:\Windows\system32>

Ridiculous. 493ms?!! If anyone of you can help me maybe even get started on where I should start my diagnosis, I'd appreciate it a lot. Thanks.
post #2 of 7
Sounds like a bad adapter no doubt. If you have it that far away from the router, it will be worth investing in a good receiver.
Something like this: http://www.asus.com/Networking/PCEAC68/

Very stupid decision to have router and modem in basement, unless you are forced to do so. It should always be in the middle of the house, so you get best possible connection everywhere or close to where the pc actually is.

But before you throw away the current adapter, take the computer down to the router and try the connection wireless and wired there. To confirm if it is the adapter or not.
    
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post #3 of 7
You can run a looping ping against your local default gateway to see if it is in fact the adapter or wireless side of things.

If you have a lot of neighboring wifi traffic, you'll experience a lot of gaming related issues as your adapter and AP would be waiting for clear airspace.
I would suggest if at all possible running a wired drop.
post #4 of 7
Thread Starter 
Quote:
Originally Posted by go4life View Post

Sounds like a bad adapter no doubt. If you have it that far away from the router, it will be worth investing in a good receiver.
Something like this: http://www.asus.com/Networking/PCEAC68/

Very stupid decision to have router and modem in basement, unless you are forced to do so. It should always be in the middle of the house, so you get best possible connection everywhere or close to where the pc actually is.

But before you throw away the current adapter, take the computer down to the router and try the connection wireless and wired there. To confirm if it is the adapter or not.
Yeah, I know having it in the basement is bad, but I'm forced to have it as our printer and modem need to be together. Here is the odd thing that happened to me yesterday. I am configuring the RT-N66u, and I was thinking maybe something was up with what channel I had it set to. So I put it at 6, load up Steam, and I'm downloading games at 3MB/s vs. my old 1.5MB/s. I check on SpeedTest, and I'm getting the same speed as I would if I were on wired. Is that even possible? Becuase everyone around me also has Comcast too, maybe since it was on auto channel, that was what was conflicting?
post #5 of 7
Then the neighbors probably used the same channel as you, this is not an unusual thing to get from switching channels in a crowded neighborhood.
Glad you got it working! How is the ping?
    
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post #6 of 7
Thread Starter 
It's under 20ms now. This is great haha. Thanks for your guys' help!
post #7 of 7
If you wanted to get a good view of what traffic is on what channel and similar, you can run InSSIDer. It gives a pretty good indication of what access points are in which portion of the spectrum, RSSI, associated clients and similar.
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