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Wierd Problem-Laptop On Wifi Getting Much Better Speeds than Pc on Ethernet

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  • 01-10-2006 2:30pm
    #1
    Redisle
    Registered Users Posts: 1,849 ✭✭✭


    Hi,
    First, Sorry about the long post...
    Ive got irish broadband breeze 2mb(3mb soon hopefully) and its going fine for me.A few weeks ago I bought and installed a wireless router/ap, the netgear wgt624.I got this for like 40 euro on ebay and it does the full 108mbps to one of my pc's with a 108mb card.

    Anyways I have this router next to my main pc and they are connected by an ethernet cable.
    When i run the blacknight speed test on the main pc I dont get very good results (see below). i wouldnt call them bad results at such except when i got like 300kbps but this was because I had kerio web filtering on in the firewall.

    But anyway the really strange thing is that when i run the speed test on a laptop I get speeds of like 1.9 or 1.8 with a qos of around 90%.


    So why the hell is this happning?? Is the router somehow giving preference to the computers on wifi?? its really annoying becasue I game and download on this pc and the laptop is really only used for browsing....

    Here is a copy of the test results...


    Summary Last 10 Results:
    Date Download Speed Upload Speed Qos RTT Maxpause
    01/10/2006 14:16 1907 kbps (233 KB/s) 1827 kbps (223 KB/s) 95 % 23 ms 88 ms - LAPTOP
    01/10/2006 14:15 1337 kbps (164 KB/s) 1604 kbps (196 KB/s) 69 % 23 ms 159 ms-PC
    01/10/2006 14:14 290 kbps (36 KB/s) 880 kbps (108 KB/s) 87 % 23 ms 18 ms-PC
    01/10/2006 14:14 1150 kbps (141 KB/s) 1383 kbps (169 KB/s) 58 % 23 ms 504 ms-PC
    01/10/2006 14:13 1526 kbps (187 KB/s) 1000 kbps (122 KB/s) 64 % 20 ms 401 ms-PC
    01/10/2006 14:12 274 kbps (34 KB/s) 990 kbps (121 KB/s) 52 % 25 ms 303 ms
    01/10/2006 14:11 1708 kbps (209 KB/s) 1612 kbps (197 KB/s) 76 % 22 ms 358 ms-LAPTOP
    01/10/2006 14:10 276 kbps (34 KB/s) 492 kbps (60 KB/s) 98 % 28 ms 38 ms-PC
    01/10/2006 14:09 290 kbps (36 KB/s) 297 kbps (37 KB/s) 87 % 24 ms 18 ms-PC
    01/10/2006 14:09 282 kbps (35 KB/s) 1165 kbps (143 KB/s) 87 % 29 ms 17 ms-PC



    Thanks for any help,
    ab


Comments

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    #2
    Sponge Bob
    Banned (with Prison Access) Posts: 25,234 ✭✭✭✭Sponge Bob


    looks like tcp fragmentation, have you hard set the wrong packet size on th e pc ?

    google mtu and mss and path discovery in google and check both systems registries against each other.

    also check that both network adapters (wireless in laptop and wired in pc) are full duplex or auto and NOT half duplex.


  • Options
    #3
    Redisle
    Registered Users Posts: 1,849 ✭✭✭Redisle


    What you said gave me an idea.. i have something called tune up utilities 2006 installed and i ran the network optimisation bit of it and it sorted it out straight away. I actually got 99% QOS and 1.9Mb dl speed. I remember running this on the laptop before so that must be the reason for the greater speed.
    Thanks for the help anyways sponge bob.


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