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Thread: Speed Tweak for Celcom Hsdpa 3.6mbps - Huawei E220

  1. #1

    Speed Tweak for Celcom Hsdpa 3.6mbps - Huawei E220

    Hi everyone ,please be patient with me ,im new to all of this PC ! related cases such as networks and everything. Ive tried to do this tweaking and i have no idea if what im doing is right and what numbers should i be looking at , i hope there is a kind soul who can review my stats and advise me further and what i need to do , PLEASE be patient if i were to ask you the stupidest of questions,im just trying to learn.Thanks Im using Huawei E220 as a dial up modem HSDPA,im suppose to have 3.6mbps max.Hope i didnt leave anything out.And im using windows XP ...


    SpeedGuide.net TCP Analyzer Results
    Tested on: 09.28.2008 18:18
    IP address: 87.118.xxx.xxx

    TCP options string: 020405b40101040201030302
    MSS: 1460
    MTU: 1500
    TCP Window: 5840 (multiple of MSS)
    RWIN Scaling: 2 bits (2^2=4)
    Unscaled RWIN : 1460
    Recommended RWINs: 64240, 128480, 256960, 513920, 1027840
    BDP limit (200ms): 234kbps (29KBytes/s)
    BDP limit (500ms): 93kbps (12KBytes/s)
    MTU Discovery: ON
    TTL: 54
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)
    Last edited by Angelinedev; 09-29-08 at 02:52 PM.

  2. #2
    Elite Member trogers's Avatar
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    Which country are you in?
    "Contentment is not the fulfillment of what you want, but is the realisation of how much you already have" - anon

  3. #3
    SG Enthusiast Rollingstone's Avatar
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    TCP Window: 5840 (multiple of MSS)
    Using Toonel ?
    Firefox Extreme Speed Edition

    What makes you: "...waking up in the morning so excited about & wanna FLY out of the door ?"

  4. #4
    Malaysia , yeah im using toonel,i was going through the beginners guide and i find toonel really important cause my IP limits me to 5gb a month of downloads. BUT toonel slow my connection extremely , when i utilise toonel , my browsing is super slow ,i followed all their instructions yet its terrible...is this common or did i do something wrong...
    Last edited by Angelinedev; 09-29-08 at 02:53 PM.

  5. #5
    this is when i didnt use the proxy for toonel ... i just ticked at "no proxy"

    SpeedGuide.net TCP Analyzer Results
    Tested on: 09.29.2008 15:21
    IP address: 219.93.xxx.xx

    TCP options string: 020405b40103030201010402
    MSS: 1460
    MTU: 1500
    TCP Window: 256960 (multiple of MSS)
    RWIN Scaling: 2 bits (2^2=4)
    Unscaled RWIN : 64240
    Recommended RWINs: 64240, 128480, 256960, 513920, 1027840
    BDP limit (200ms): 10278kbps (1285KBytes/s)
    BDP limit (500ms): 4111kbps (514KBytes/s)
    MTU Discovery: ON
    TTL: 114
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)

  6. #6
    [IMG][/IMG] ...this is my speedtest

  7. #7
    SG Enthusiast Rollingstone's Avatar
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    The TCP Settings are correct.

    Post your speed at Singapore server and several servers near by.
    Firefox Extreme Speed Edition

    What makes you: "...waking up in the morning so excited about & wanna FLY out of the door ?"

  8. #8


    SpeedGuide.net TCP Analyzer Results
    Tested on: 10.02.2008 14:22
    IP address: 219.93.xxx.xx

    TCP options string: 020405b40103030201010402
    MSS: 1460
    MTU: 1500
    TCP Window: 256960 (multiple of MSS)
    RWIN Scaling: 2 bits (2^2=4)
    Unscaled RWIN : 64240
    Recommended RWINs: 64240, 128480, 256960, 513920, 1027840
    BDP limit (200ms): 10278kbps (1285KBytes/s)
    BDP limit (500ms): 4111kbps (514KBytes/s)
    MTU Discovery: ON
    TTL: 48
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)


    hmm i guess im at my peak ? no ways to further improve? i practically did everything i read in beginners guide/tools...i need some serious help reg the whole tunnel and vpn issue , and i cant seem to google the answers , i think someone who is really knowledgeble reg networking and who has patience can help me ...is there any go to guy here tht can guide me?pls pm me or post here..im really keen on learning. Hope you guys can help ..my ip has been blocked.

  9. #9
    Junior Member napsters's Avatar
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    Hello Angelinedev..

    1. That's the nature of an internet connection over a mobile phone line. Much depends on your distant and clear line of sight to the cell tower and the clarity of the airwaves.
    2. What Signal do you got on your Mobile Connect dashboard and how much signal bar?
    3. At the tray icon you can see Status HUAWEI Connection, double click this and see the Speed: ?Mbps.

  10. #10
    This is when i changed the TCP window ,just experimenting...any comments? not sure what im looking for =[


    SpeedGuide.net TCP Analyzer Results
    Tested on: 10.02.2008 17:54
    IP address: 219.93.xxx.xx

    TCP options string: 020405b40103030301010402
    MSS: 1460
    MTU: 1500
    TCP Window: 513920 (multiple of MSS)
    RWIN Scaling: 3 bits (2^3=8)
    Unscaled RWIN : 64240
    Recommended RWINs: 64240, 128480, 256960, 513920, 1027840
    BDP limit (200ms): 20557kbps (2570KBytes/s)
    BDP limit (500ms): 8223kbps (1028KBytes/s)
    MTU Discovery: ON
    TTL: 48
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)

  11. #11
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    If you are experimenting, after ever change you should also do at least one speedtest to see if it is any different. Probaly run three speed tests and compare them.

    If I were doing this, I would test at least two times at each TCP Window setting at different times of the day. Once when there is low traffic and once when there is high traffic volume.

    Record: Time of day, TCP Window used, and Speed tests results.
    You would probably also want to check the TCP Analyzer Results to see if they change.

  12. #12
    SG Enthusiast Rollingstone's Avatar
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    Do a tracert yahoo.com and post.
    Firefox Extreme Speed Edition

    What makes you: "...waking up in the morning so excited about & wanna FLY out of the door ?"

  13. #13
    Quote Originally Posted by Rollingstone View Post
    Do a tracert yahoo.com and post.
    Errr ..so sorry but how do i do a tracert?

  14. #14
    SG Enthusiast Rollingstone's Avatar
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    To do a tracert : Start > Run > type cmd > Type tracert yahoo.com > when completed > right click > Select All > Paste into the Quick Reply box in this forum
    Firefox Extreme Speed Edition

    What makes you: "...waking up in the morning so excited about & wanna FLY out of the door ?"

  15. #15
    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.

    >tracert yahoo.com

    Tracing route to yahoo.com [206.190.60.37]
    over a maximum of 30 hops:

    1 122 ms 123 ms 120 ms 10.221.27.27
    2 * * * Request timed out.
    3 150 ms 159 ms 220 ms 58.26.92.65
    4 139 ms 159 ms 159 ms 210.187.143.1
    5 * * * Request timed out.
    6 * * * Request timed out.
    7 * * * Request timed out.
    8 * * * Request timed out.
    9 * * * Request timed out.
    10 * * * Request timed out.
    11 * * * Request timed out.
    12 * * * Request timed out.
    13 * * * Request timed out.
    14 * * * Request timed out.
    15 * * * Request timed out.
    16 * * * Request timed out.
    17 * * * Request timed out.
    18 * * * Request timed out.
    19 * * * Request timed out.
    20 * * * Request timed out.
    21 * * * Request timed out.
    22 * * * Request timed out.
    23 * * * Request timed out.
    24 * * * Request timed out.
    25 * * * Request timed out.
    26 * * * Request timed out.
    27 * * * Request timed out.
    28 * * * Request timed out.
    29 * * * Request timed out.
    30 * * * Request timed out.

    Trace complete.

  16. #16
    SG Enthusiast Rollingstone's Avatar
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    1 122 ms 123 ms 120 ms 10.221.27.27
    2 * * * Request timed out.
    3 150 ms 159 ms 220 ms 58.26.92.65
    4 139 ms 159 ms 159 ms 210.187.143.1
    5 * * * Request timed out.
    6 * * * Request timed out.
    7 * * * Request timed out.
    8 * * * Request timed out.
    9 * * * Request timed out.
    10 * * * Request timed out.
    11 * * * Request timed out.
    12 * * * Request timed out.
    13 * * * Request timed out.
    14 * * * Request timed out.
    15 * * * Request timed out.
    16 * * * Request timed out.
    17 * * * Request timed out.
    18 * * * Request timed out.
    19 * * * Request timed out.
    20 * * * Request timed out.
    21 * * * Request timed out.
    22 * * * Request timed out.
    23 * * * Request timed out.
    24 * * * Request timed out.
    25 * * * Request timed out.
    26 * * * Request timed out.
    27 * * * Request timed out.
    28 * * * Request timed out.
    29 * * * Request timed out.
    30 * * * Request timed out.
    Where do you put your modem ? Near electrical devices ?
    Firefox Extreme Speed Edition

    What makes you: "...waking up in the morning so excited about & wanna FLY out of the door ?"

  17. #17
    well my pc is beside my TV , and my stereo system and also my satelite decoder.. my modem is right above my cpu,cause the cable is short.

  18. #18
    this tracerts that im posting is with the TCP window of 256960,i read the one of the posts if we set TCP window too high it will slow down the speed.so i just set it back to 256960.Should i do a tracert with TCP Window: 513920 ?

    Anyway below is a tracert after pulling my modem as far as i could from electrical devices

    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.

    Tracing route to yahoo.com [68.180.206.184]
    over a maximum of 30 hops:

    1 188 ms 128 ms 292 ms 10.221.1.171
    2 184 ms 179 ms 190 ms 10.221.27.7
    3 172 ms 179 ms 180 ms 219.93.152.1
    4 * * * Request timed out.
    5 * * * Request timed out.
    6 * * * Request timed out.
    7 * * * Request timed out.
    8 * * * Request timed out.
    9 * * * Request timed out.
    10 * * * Request timed out.
    11 * * * Request timed out.
    12 * * * Request timed out.
    13 * * * Request timed out.
    14 * * * Request timed out.
    15 * * * Request timed out.
    16 * * * Request timed out.
    17 * * * Request timed out.
    18 * * * Request timed out.
    19 * * * Request timed out.
    20 * * * Request timed out.
    21 * * * Request timed out.
    22 * * * Request timed out.
    23 * * * Request timed out.
    24 * * * Request timed out.
    25 * * * Request timed out.
    26 * * * Request timed out.
    27 * * * Request timed out.
    28 * * * Request timed out.
    29 * * * Request timed out.
    30 * * * Request timed out.

    Trace complete.

  19. #19
    this is a tracert after further pulling my modem away from equipment,it basically cant go any further. I also changed my TCP window to 513920. Below is the analyzer results :

    SpeedGuide.net TCP Analyzer Results
    Tested on: 10.07.2008 16:55
    IP address: 219.93.xxx.xx

    TCP options string: 020405b40103030301010402
    MSS: 1460
    MTU: 1500
    TCP Window: 513920 (multiple of MSS)
    RWIN Scaling: 3 bits (2^3=8)
    Unscaled RWIN : 64240
    Recommended RWINs: 64240, 128480, 256960, 513920, 1027840
    BDP limit (200ms): 20557kbps (2570KBytes/s)
    BDP limit (500ms): 8223kbps (1028KBytes/s)
    MTU Discovery: ON
    TTL: 48
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)


    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.

    tracert yahoo.com

    Tracing route to yahoo.com [68.180.206.184]
    over a maximum of 30 hops:

    1 127 ms 139 ms 139 ms 10.221.27.27
    2 * * * Request timed out.
    3 257 ms 199 ms 205 ms 58.26.92.65
    4 * * * Request timed out.
    5 * * * Request timed out.
    6 * * * Request timed out.
    7 * * * Request timed out.
    8 * * * Request timed out.
    9 * * * Request timed out.
    10 * * * Request timed out.
    11 * * * Request timed out.
    12 * * * Request timed out.
    13 * * * Request timed out.
    14 * * * Request timed out.
    15 * * * Request timed out.
    16 * * * Request timed out.
    17 * * * Request timed out.
    18 * * * Request timed out.
    19 * * * Request timed out.
    20 * * * Request timed out.
    21 * * * Request timed out.
    22 * * * Request timed out.
    23 * * * Request timed out.
    24 * * * Request timed out.
    25 * * * Request timed out.
    26 * * * Request timed out.
    27 * * * Request timed out.
    28 * * * Request timed out.
    29 * * * Request timed out.
    30 * * * Request timed out.

    Trace complete.

    My average download speed after 3 tests was approx 1500 kb/s , my IP max is 3.6mbps.Should i keep my TCP window at 256960 or 513920? Is there an improvement for the tracert?

  20. #20
    SG Enthusiast Rollingstone's Avatar
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    My average download speed after 3 tests was approx 1500 kb/s , my IP max is 3.6mbps.Should i keep my TCP window at 256960 or 513920? Is there an improvement for the tracert?
    As you can see the 'Request timed out' in the tracert, that's the nature of mobile phone line connection. Show your ISP this tracert and see if they will help !

    I'd use 513920 for TCP Window value.
    Firefox Extreme Speed Edition

    What makes you: "...waking up in the morning so excited about & wanna FLY out of the door ?"

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