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Solved: Wireless half the speed of ethernet

Discussion in 'Networking' started by Spiff23, Oct 7, 2012.

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  1. Spiff23

    Spiff23 Thread Starter

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    When plugged in via ethernet I can get about 35 megabit but when going wireless, I'll be lucky if I hit 14 megabit. I have a linksys e2500 router with the latest firmware. I have tried 2 different wireless cards one usb (TP-link n150) and a PCI-e (asus pce-n15), both with the latest drivers available. With the Asus my connection is a steady 5 bars, at 144.5 Mbps. I am in an apartment complex so there are a lot of other signals around me but I have tried to select the best channel I can with the least amount of overlap I can. Anyone have any ideas about some hidden router settings that might throttle speeds? Any help would be greatly appreciated!

    Oh and I'm running windows 7 64bit
     
  2. TerryNet

    TerryNet Moderator

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    Are you testing with no other device connected to your wireless network?
     
  3. Spiff23

    Spiff23 Thread Starter

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    Thanks for the response! Yeah My computer is the only device on the network.
     
  4. TerryNet

    TerryNet Moderator

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    The problem may well be the wireless interference to which you alluded. Please attach a screen shot of the Networks page (don't collapse the Radar, Connection or Signal History) of the Xirrus Wi-Fi Inspector. If you need help with that see TSG Posting a Screenshot. FWIW to take screen shots with Windows 7 or Vista I prefer to use the built-in Snipping Tool.
     
  5. Spiff23

    Spiff23 Thread Starter

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    Here is the requested screenshot. Never used the program before so not entirely sure what everything means.
     

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  6. TerryNet

    TerryNet Moderator

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    Try with encryption disabled to see if that makes a significant difference. If it does help a lot then try WPA-PSK (not WPA2) encryption.

    You've got two networks stronger than yours. They are not interfering, but it's still a little disconcerting. Try reorienting the router's antennas or repositioning (even a little bit sometimes makes a significant difference) the router or computer to get a stronger signal.
     
  7. Spiff23

    Spiff23 Thread Starter

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    Well I moved the router from about 30 feet away to 3 feet away. I can now get about 19 Mbps instead of the 14 I was getting earlier using the wireless, but when I plug in, its still a constant 35 Mbps. I have attached another screenshot of Xirrus. I tried disabling the security but it had zero effect.
     

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  8. TerryNet

    TerryNet Moderator

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    I have no other ideas.
     
  9. Spiff23

    Spiff23 Thread Starter

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    lol, well dang. Thanks for trying though. I may go and buy another router and see if its just a bad router.
     
  10. TerryNet

    TerryNet Moderator

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    You're welcome. Let us know if you do try another router and it makes a difference.
     
  11. Spiff23

    Spiff23 Thread Starter

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    Well I just got off the phone with linksys support and they made one change to my router. Under QoS they disabled WMM support. It didnt completely fix my issue but it did raise my wireless speeds from 14 mbps to 20. The connection also seems much more stable. They said that even if I had a high end router the speeds would not be any different.

    Anyone have any experiece with getting 30ish Mbps on wireless?

    PS. just ran another test, got 26 Mbps

    Ran another test about an hour later and got my Full Speeds. Aparently the issue was with the WMM support.
     
  12. zx10guy

    zx10guy Trusted Advisor Spam Fighter

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    I just did a crude test. I transferred a 2.41 GB file from my fileserver to my laptop via wireless. Windows reported an average transfer rate of 10 MB/s. This translates to about 80 Mb/s. I think I could have achieved a bit more if the network path didn't have to go through my ASA firewall with 100 Mb/s interfaces which I can assume the actual line rate would be a bit less. I may try to reconfigure the SSID I use to just run line rate through my core switch to see if the speeds pick up. I would assume it would.

    As far as the equipment I am using, I doubt you would want to spend the money.
     
  13. jmwills

    jmwills

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    Wireless is for convenience so if you really need the speed, stick with a wired connection. Just my 02.
     
  14. zx10guy

    zx10guy Trusted Advisor Spam Fighter

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    And from what do you base this on?
     
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