Wireless Lag Spikes Every 5-10 Minutes

February 5, 2012 at 22:33:05
Specs: Windows 7, 2.4 quad core / 4gig
Hello Computers.net Users!

I have a problem with my wireless connection. I recently installed Windows 7 Ultimate 32bit OS and bought a new NETGEAR genie router WNR2200. I am experiencing lag spikes in 1-2 second duration while playing games. These lag spikes freeze the game and send my ping sky high (ping 999ms). While browsing the interwebz I don't really notice the lag spikes because they are only a few seconds long.

Changes I have made (PC):
Disabled Client for Microsoft Networks
Disabled ANOD Network Security Filter driver
Disabled QoS Packet Scheduler
Disabled File and Printer Sharing for Microsoft Networks
Disabled Internet Protocol Version 6
Disabled Link-Layer Topology Discovery Mapper I/O Driver
Disabled Link-Layer Topology Discovery Responder
Disabled Multimedia/Gaming Environment
Disabled WMM Capable
Disabled everything else in Network Connections -> Properties -> Configure -> Advanced
Disabled power save on network adapter

Set static IP/subnet mask/gateway/DNS server for TCP/IPv4

Set WLAN AutoConfig to manual in Services.msc

Installed game booster 3
Installed Dr. TCP – Set MTU to 1464 & RWIN to 511104 on PC
Ran WLAN Optimizer
Reinstalled Wireless Adapter Driver (updated)

Changes I have made (Router):
Changed Wireless Channel to 09
Disabled SSID Broadcast for Guest Network
Disable Port Scan and DoS Protection
Disable IGMP Proxying
NAT Filtering set to Open
Disable SIP ALG
Disabled WMM (Wi-Fi multimedia) settings
Set MTU to 1492

Extra Info:
Fragmentation Length (256-2346): 2346
CTS/RTS Threshold (1-2347): 2347
Preamble Mode: Auto
Security: WPA2-PSK [AES]
Mode: Up to 300Mbps

After all these changes and tweaks I still get the exact same problem I started out with. The above changes were recommended by users of random forums to fix wireless lag spikes. If anyone has any suggestions PLEASE respond to this thread.
P.S. Using a cat5 cable is not preferred (and perhaps not possible) as I am renting from random people and the router is on the other side of the house. My wireless signal is strong.

Thanks,
-FractuRe


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#1
February 6, 2012 at 15:48:55
I put my netbook on to stream a live BlogTV broadcast, while I did this I played a game and waited for the lag spike. When the spike hit I checked the live stream to see if it skipped at all but it still ran perfectly smooth. Is this test accurate enough?

My PC is wireless, quite far from the router. My netbook is also wireless (thought I could test it wired if need be). I can't test my PC wired because people I'm renting from probably wouldn't be happy. However, they have a PC I can use to test the connection, their PC is wired. I only tested the speed on the wired PC, not any lag spikes.

Now I have seen that my netbook doesn't spike with wireless I think it is safe to say it is just my PC alone. UNLESS BlogTV isn't an accurate enough test. I could test streaming live radio if you think so, but I always thought anything streaming live would spike if there was a problem with the router

So with this extra info, are there any suggestions to help resolve these lag spikes?


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#2
February 9, 2012 at 17:06:59
SOLUTION: I found out it was the D-Link DWA 525 adapter I was using that was causing the spikes. Swapped it with a NETGEAR WPN 311 adapter and the lag spikes disappeared :)

To anyone who has a similar problem try and get a hold on another adapter to test it out.

P.S. D-Link DWA 525 have a known problem of causing lag spikes on windows 7 32bit.


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