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Thread: Improve the Bandwith when using openVPN

  1. #1

    Question Improve the Bandwith when using openVPN

    I have Windows XP Proffesional, 1.53 GHz processor, 512 MB Ram and my connection is called LAN. I have “Realtek RTL8169/8110 Family Gigabit” network card on my only computer. The OpenVPN is “TAP-Win32 Adapter V8”. I pay for 100/10 Mbit network from my ISP and the anonymity servers from my OpenVPN company are 100Mbit servers also. So I should have at least between 25-30Mbit/s when I use OpenVPN with 4096 bits encryption. But I have only 1 Mbit download and 5 Mbit upload with OpenVPN, when I check on Internet. What can be wrong? Somebody who have any idea to solve my problem?

    As you can se the results from Bandwidth with OpenVPN sucks. Because I pay my ISP for 100/10 and it should be at least between 25-30Mbit/s in both TCP and UDP.

    Tool TCP Download TCP Upload UDP Download UDP Upload

    TPTest 3.1 from my computer without OpenVPN
    94.90 Mbit/s 9.54 Mbit/s 92.01 Mbit/s 9.99 Mbit/s

    TPTest 3.1 from my computer with OpenVPN
    1.10 Mbit/s 4.46 Mbit/s 19.57 Mbit/s 6.30 Mbit/s

    Internet Explorer test on the Internetwithout OpenVPN
    49.42 Mbit/s 8.72 Mbit/s

    Internet Explorer test on the Internetwith OpenVPN
    1.08 Mbit/s 5.53 Mbit/s




    I have done this to raise the speeds:

    A. “Follow these steps to increase the speed:

    1. Go to Start-> Run-> and type gpedit.msc
    2. Expand the Administrative Templates branch
    3. Expand the Network tab
    4. Highlight QoS Packet Scheduler
    5. Click on Limit Reservable Bandwidth and check the enabled box
    6. Then Change the Bandwidth limit % to 0 %
    Then you can check the internet speed from http://www.ip-details.com/

    But that only helped a little.

    B. I have even tried to shut down ZoneAlarm, but that didn´t help either.

    C. I have tried to use TCPOptimizer v 2.0.3 as well, but that didn´t help either.


    This result I got from speedguide.net whith OpenVPN:

    “« SpeedGuide.net TCP Analyzer Results »
    Tested on: 04.27.2010 23:22
    IP address: XX.XXX.xx.xxx
    Client OS: Windows XP

    “« SpeedGuide.net TCP Analyzer Results »
    Tested on: 04.28.2010 01:14
    IP address: XX.XXX.xx.xx
    Client OS: Windows XP

    TCP options string: 020404ae0103030601010402
    MSS: 1198
    MTU: 1238
    TCP Window: 3083520 (NOT multiple of MSS)
    RWIN Scaling: 6 bits (2^6=64)
    Unscaled RWIN : 48180
    Recommended RWINs: 64692, 129384, 258768, 517536, 1035072
    BDP limit (200ms): 123341kbps (15418KBytes/s)
    BDP limit (500ms): 49336kbps (6167KBytes/s)
    MTU Discovery: ON
    TTL: 55
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)”

    TCP Window: 3083520 i have this because of TCPOptimizer, so you know. But this change havent helped me to increase the speed at all.

    Question 1: But I cannot understand why I have MTU: 1238 in the result? Because in the TCPOptimizer v 2.0.3 settings, I have MTU:1500. Can somebody explain that to me?

    Question 1.1: I cannot understand why the result of TCP Window is “(multiple of MSS)” when its without OpenVPN and the result of TCP Window is “(NOT multiple of MSS)” when I use OpenVPN?


    This result I got from speedguide.net whithout OpenVPN:

    “« SpeedGuide.net TCP Analyzer Results »
    Tested on: 04.28.2010 01:06
    IP address: XX.XX.xxx.xxx
    Client OS: Windows XP

    TCP options string: 020405b40103030601010402
    MSS: 1460
    MTU: 1500
    TCP Window: 3083520 (multiple of MSS)
    RWIN Scaling: 6 bits (2^6=64)
    Unscaled RWIN : 48180
    Recommended RWINs: 64240, 128480, 256960, 513920, 1027840
    BDP limit (200ms): 123341kbps (15418KBytes/s)
    BDP limit (500ms): 49336kbps (6167KBytes/s)
    MTU Discovery: ON
    TTL: 35
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)”


    Question 2: Now I wonder if somebody can give me some tips to fix this speed problem I have. I pay my ISP for 100/10 so you know.

    When I rightklick my ISP network icon in the activityfield/choose “STATUS”/klick “PROPERTIES”.

    I have this five protocolls:

    Marked “Client For Microsoft Networks”
    Marked “Nordic Information Security Driver”
    Unmarked “File and Printer charing for Microsoft Networks”
    Marked “QoS Packet Scheduler”
    Marked ”Realtek LANPkt Protocol”
    Marked ”Internet Protocol (TCP/IP)”

    Question 3: Is this as it should be? And should I have some more unmarked?
    Can I unmark more protocols in the TCP/IP settings without disturb OpenVPN somehow and at the same time increase the speed?

    I know that OpenVPN works if I have these protocols unmarked: “File and Printer charing for Microsoft Networks” (”Microsoft TCP/IP version 6”. i just uninstalled)

    Question 4: I have Windows XP Proffesional, 1.53 GHz processor and 512 MB Ram. Should I perhaps fix more in RAM? Perhaps that would make the TCP download to increase?

    Perhaps I must think somehow different in the settings between “Realtek RTL8169/8110 Family Gigabit” network card and “TAP-Win32 Adapter V8” network settings when I use OpenVPN on my computer, than if i only should have one adapter? Please help me someone who knows something about network settings more than i do. So I can have maximum bandwidth. Thanks in advance.

    Question 5: I read at Tips&Tricks that: If I want to increase performance by eliminating the caching of faulty DNS lookups I must change these parameters:
    "NegativeCacheTime"=dword:00000000
    "NetFailureCacheTime"=dword:00000000
    "NegativeSOACacheTime"=dword:00000000

    But the weird thing is that I don´t have "NegativeCacheTime"=dword:00000000 ? Is this so on some computers or is it something really weird here?

    Question 6: I read at Tips&Tricks that: This value controls how much RAM TCP/IP uses for storing packet data in the router packet queue.

    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]

    "ForwardBufferMemory"=dword:00024a00
    "NumForwardPackets"=dword:0000024a
    "MaxForwardBufferMemory"=dword:00024a00
    "MaxNumForwardPackets"=dword:0000024a

    But the weird thing is that I don’t have any of those parameters in my register? Is this so on some computers or is it something really weird here?

    Question 7: I read at Tips&Tricks that: “Cable user with no router has to have network card set.” But I have 100Mbit/s down connection and “Realtek RTL8169/8110 Family Gigabit” network card on my only computer. Should I yet choose “10 half duplex” ? Isn´t “1000Mbps/Full Duplex” better?

    Question 7.1: And “TAP-Win32 Adapter V8” for Open VPN what is the best choise for that?

    Question 8: I read at Tips&Tricks that:
    “SPEED UP NETWORK BROWSING:

    * Open up regedit.
    * Navigate to HKEY_LOCAL_MACHINE/Software/Microsoft/Windows/CurrentVersion/Explorer/RemoteComputer/NameSpace.

    Delete the key: {D6277990-4C6A-11CF-8D87-00AA0060F5BF}” The weird thing is that I don’t find that key at that place in the registry. I finfd the key on lots of places in registry but I suppose I should not change anything there? I find another key at that direction in the registry but I don’t know if its to good to change anything because im not an expert.

    Question 9: I read at Tips&Tricks that: “XP Only) Setting your TCP/IP metric setting properly, it should be set to a value of 1. To do so do the following:

    Open your control panel – select the network icon – right click on your LAN connection and select properties – highlight Internet Protocol TCP/IP and select properties – advanced – select the IP settings tab – in the interface metric box put the value 1 – ok. Also disable NetBios over TCP/IP if you are not file or printer sharing.”
    I suppose this is for “Realtek RTL8169/8110 Family Gigabit” network card and not for“TAP-Win32 Adapter V8” for Open VPN ?

    Question 10: I read at http://www.speedguide.net/read_articles.php?id=168 that:

    “Navigate to Start > Run and type sysedit . Find the [386enh] Section in the System.ini file and add Irq[n]=4096 under it, where [n] is the IRQ number of your NIC and 4096 is the amount of RAM you want to reserve in Kbytes. We recommend using 4096, however you can experiment with different values if you want. Save changes in the file, exit and reboot for changes to take effect.”
    And
    “Right-click on My Computer icon on your Desktop, then left-click on Properties (a shortcut for that would be to press the 'Windows' + 'Pause' keys). Navigate to Device Manager and double-click on Computer. Under "View Resources" you will find a list of IRQs”

    Here I only find “Realtek RTL8169/8110 Family Gigabit” but not “TAP-Win32 Adapter V8” for OpenVPN. Is this as it should be? Or is it something weird here? Can I somehow put “TAP-Win32 Adapter V8” in the list?








    Hi again folks. I have now read through the hole forum for days now and have done this more tips, A to M. But so far nothing has happened to increase the speed at all. I am gouing to try one more tip and it is to use cablenut to se if it can change the MTU: 1238 value to 1500 for the “TAP-Win32 Adapter V8” when I use OpenVPN. After that my ideas are ended. So if someone have some more tips to give me, please write in this thread. Thanks in advance.


    A.
    I wrote sysedit in Start > Run >.
    In ”C:\WINDOWS\SYSTEM.INI” I put in Irq[17]=51200 (50Megabytes) under [386enh].

    The IRQ number 17m I got from this tips: “Right-click on My Computer icon on your Desktop, then left-click on Properties (a shortcut for that would be to press the 'Windows' + 'Pause' keys). Navigate to Device Manager and double-click on Computer. Under "View Resources" you will find a list of IRQs”
    See: http://www.speedguide.net/read_articles.php?id=168

    C.
    16.) Click on My Computer, select Drive that XP is on, RIGHT click on BLANK place, select properties, then tools at top tab, click check now, check box automattically fix system errors, click start. Just like Scandisk

    D. write about.Config in the adressfeald for Firefox I done this from D to I of the thing I done.
    2. Disable prefetch: Firefox has a nasty habit (sometimes this is useful) when you search in Google. It automatically loads the sites you are likely to visit like the first result. Disabling these can be a good idea for people with low-speed internet connection or low RAM. You can also disable this if you are bandwidth miser :P. To do this type in network.prefetch-next in the filter box and double click the value to turn it to false.
    See: http://forums.speedguide.net/showthr...=236227&page=3

    E.
    In the filter bar type network.http.pipelining. You will be shown the result that matches your search. The first one will be network.http.pipelining itself with a boolean variable. Check the value, if its false double click and make it true
    See: http://forums.speedguide.net/showthr...=236227&page=3

    F.
    Next you will find an network.http.pipelining.maxrequests just below the previous line. Its an integer value with 4 as default. Change the value to 10, 20 or even 30. Test different values and see which one is optimum for your connection
    See: http://forums.speedguide.net/showthr...=236227&page=3

    G.
    2. Rendering Delay: Now create a new integer by right clicking anywhere and selecting Integer from New. Give the name as nglayout.initialpaint.delay and the integer value as 0. This specifies the amount of time the browser waits before rendering the page with information it got. You will find the page loading part by part but this is a useful hack as texts will be displayed first.
    NOTE: If you get a lot of “Page not found” error after applying this, then try to increase the value from 0 to say 2 or 3.
    See: http://forums.speedguide.net/showthr...=236227&page=3

    H.
    create a new integer named browser.cache.memory.capacity and give its value equal to 16 times your RAM capacity in MB (16 X your RAM size which is usually 256 or 512). Med andra ord värdet ska vara 16 x 512 = 8192
    See: http://forums.speedguide.net/showthr...=236227&page=3

    I.
    Create a new boolean value named config.trim_on_minimize and set it to true
    See: http://forums.speedguide.net/showthr...=236227&page=3

    J.
    Note: You might want to export the key before deleting, then to revert the changes, simply merge your exported reg file.
    Removing the second sub-key in HKLM\.....\NameSpace that looks like: {2227A280-3AEA-1069-A2DE-08002B30309D} disables checking for network printers
    See: http://www.speedguide.net/read_articles.php?id=1607

    K.
    If you increase the number of network redirector buffers it may considerably increase your network throughput. Each extra execution thread that you configure will take 1K of additional nonpaged pool memory, but only if your applications actually use them.
    To configure additional buffers and threads, edit: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanmanWorkstation\Parameters Modify or Add Value of type REG_DWORD for:
    MaxCmds=dword:00000064 - range is 0 - 255 and the default value is 15. Set to a higher number, try 64 for starters. I choose 64.
    MaxThreads=dword:00000064 - set to the same value as MaxCmds. I choose 64.
    MaxCollectionCount in the same key is a DWORD buffer for character-mode named pipes writes. You might want to increase it from te default 16 as well, its' range is 0 - 65535. I choose 64.
    See: http://www.speedguide.net/read_articles.php?id=1607

    L.
    HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer and add a new DWORD value:
    NoRecentDocsNetHood=1 (set it to 1 to disable remote shared folders from being added to Network Places).
    See: http://www.speedguide.net/read_articles.php?id=1607

    M.
    Depending on your OS, it might also be possible to modify this by accessing the Group Policy Object Editor. To use this method to achieve the same effect:
    - Go to Start > Run > type: gpedit.msc
    - In the GPOE, navigate to: User Configuration > Administrative Templates > Desktop > Enable "Do not add shares of recently opened documents to My Netowrk Places"
    See: http://www.speedguide.net/read_articles.php?id=1607




    I have done some more tips from this forum, se N to Q. But nothing helped me so far?


    N.
    I read this: ” Windows 2000/XP has built-in DNS (Domain Name System) caching, which basically caches resolved hostnames for faster access and reduced DNS lookups. This is generally a great feature, with the only downside that failed DNS lookups get cached by default as well... When a DNS lookup fails (due to temporary DNS problems), Windows still caches the unsuccessful DNS query, and in turn fails to connect to a host regardless of the fact that the DNS server might be able to handle your lookup seconds later.
    There are a couple of different ways to tweak Windows 2k/XP not to cache failed DNS lookups:
    1. You can flush the DNS cache manually, by going to Command Prompt and typing: ipconfig /flushdns
    2. You can wait for the cached lookup to expire or reboot the system...
    Or you can permanently solve this issue by tweaking a few Registry entries. You can simply use the patch below to modify your Registry:

    So i did this: ” I installed winxp_dnscache.zip - patches for Windows 2000 and Windows XP not to cache failed DNS entries.”
    See: http://www.speedguide.net/read_articles.php?id=158

    O.
    I read this: “MS Windows supports a fast I/O path which is utilized when sending "small" datagrams (packets). The default setting for what is considered "small" datagram is 1024 bytes; increasing this value to match your network MTU (normally 1500) can significantly improve network performance.
    To adjust this parameter:
    HKLM\SYSTEM\CurrentControlSet\Services\AFD\Parameters
    FastSendDatagramThreshold=1500 (DWORD value, 1024 by default when not present, recommended: 1500 decimal)
    Note: setting not in the current version of the TCP Optimizer. ”

    I could not find this parameter so I made one and let the value be 1500.

    Question 11: Is this god that I made a parameter here? Or perhaps I should delete it and let it be without as it was from the beginning?

    P.
    I read this: “Firefox
    Pipelining requests
    This setting is equivalent to the IE tweak above. It allows for more simultaneous connections to web servers. Note that the HTTP specs suggest for 4 concurrent connections. Setting this value to 10 allows for more web page components being downloaded at the same time, noticeably improving browsing. To appy the tweak, follow the simple instructions below:
    1. In the address bar, type: about:config
    2. Locate and change the following values (by double-clicking on them):
    network.http.max-connections = 24 (default is 24)
    network.http.max-connections-per-server = 10 (default is 8)
    network.http.max-persistent-connections-per-proxy = 8 (default is 4)
    network.http.max-persistent-connections-per-server = 4 (default is 2)
    network.http.pipelining = true (default is false)
    network.http.pipelining.maxrequests = 10 ( default is 4)
    network.http.proxy.pipelining = true (default is false)
    3. Optionally, you can also tweak the following settings:
    content.notify.backoffcount = 5
    ui.submenuDelay = 0”
    I did point 1 and 2. But point 3 “content.notify.backoffcount” and “ui.submenuDelay” I could not find? Is this weird somehow? Or should I just leave it without as it is now?

    Q.
    I read this: “Reduce Initial Page Delay
    By default, Firefox waits 0.25 seconds (250ms) before beginning to draw web pages. To reduce this initial delay, do the following:
    1. In the browser address bar, type: about:config
    2. Anywhere in the browser window, right-click and create: NEW > String
    3. Name the string: nglayout.initialpaint.delay (no spaces) and set its value to 0 (or something sensible, in milliseconds).
    Note: This setting is not present by default. When not present, Firefox waits 250 milliseconds before first displaying the page.”
    So I did the nglayout.initialpaint.delay string.


    Question 12: When i open TCP Optimizer/General settings tab/Network adapter selection. I find four adapters? "TAP-Win32 Adapter V8", "Realtek RTL8169 Family Gigabit Ethernet NIC", "Realtek RTL8169 Family Fast Ethernet NIC", "Microsoft TV/Video-connection". I wonder why i have four adapters? When i know i only have these two: "TAP-Win32 Adapter V8", "Realtek RTL8169 Family Gigabit Ethernet NIC". Anyone know the reason,why it is like this?


    Question 13: Does CableNut have any settings for Lan 100/10 connections? I can only see settings for 56K, Adsl, Cable and Satellite.


    I forgot to mention that even though the result result I got from speedguide.net whith OpenVPN show MTU: 1238 , in the register MTU is 1500 for both“Realtek RTL8169/8110 Family Gigabit” and “TAP-Win32 Adapter V8”.see: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\


    Thanks everyone for tips and solutions as fast as possible in advance. Bye for now.
    Last edited by speedquest; 04-30-10 at 01:47 PM.

  2. #2
    SG Enthusiast Rollingstone's Avatar
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    I pay for 100/10 Mbit network from my ISP and the anonymity servers from my OpenVPN company are 100Mbit servers also. So I should have at least between 25-30Mbit/s when I use OpenVPN with 4096 bits encryption. But I have only 1 Mbit download and 5 Mbit upload with OpenVPN, when I check on Internet
    How did you know exactly ? Where did you test ?
    Firefox Extreme Speed Edition

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

  3. #3
    Hi Rollingstone.

    Thanks for reading my thread and that you answer me now. I test my speed at http://www.bredbandskollen.se/ Or perhaps you have another server you think it would be better for me to test my speed? When I ping the server I got an transfertime average of 66 ms and no packets lost. If I do a tracert, the transfertime starts with 33ms and increase up to 67ms.

    I hope you can help me because I’m out of ideas.


    Thanks in advance for more help.
    Last edited by speedquest; 05-01-10 at 04:43 AM.

  4. #4
    SG Enthusiast Rollingstone's Avatar
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    SHow us :

    + New TCP Analyzer !
    + Tracert to http://www.bredbandskollen.se/
    + HijackThis log

    When connecting VPN !
    Firefox Extreme Speed Edition

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

  5. #5
    Yes, these results are when I'm using OpenVPN. Of course its depending on witch OpenVPN server I'm using at the moment, but this result are from one of the fastest servers. Most of them have a limit on 100Mbit/s, and this one from i got the result have that limit. Everything works as it should without OpenVPN. The weird thing is that i pay for 100/10 line and even though when I'm using OpenVPN the upload is several times higher than the TCP download? Weird. The UDP is quite OK, its 20Mbit/s down when I'm using OpenVPN.

    Thanks for taking your time to help me.

  6. #6
    SG Enthusiast Rollingstone's Avatar
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    Try Speedtest.net instead !
    Firefox Extreme Speed Edition

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

  7. #7
    Hi again.
    I got this result from three different servers:

    Speedresult 1:
    « SpeedGuide.net Speed Test Results »
    865 kbps down (~0.87 Mbps, 106 KB/s)↓
    1066 kbps up (~1.07 Mbps, 130 KB/s)↑
    1024 KB downloaded in 9.703 seconds
    250 KB uploaded in 1.922 seconds
    Tested on: 2010.05.01 12:41 EDT
    Tested from: dagobah.biz
    Test Link: -----------------------
    Latency: 128ms
    Provider: MY OPENVPNPROVIDER
    Location: Is this where my OpenVPN server should be located? Because it’s not the correct country of the OpenVPN server I use right now.
    Speed @ 58% of the average for MY OPENVPNPROVIDER



    Speedresult 2:
    “« SpeedGuide.net Speed Test Results »
    424 kbps down (~0.42 Mbps, 52 KB/s)↓
    416 kbps up (~0.42 Mbps, 51 KB/s)↑
    1024 KB downloaded in 19.766 seconds
    100 KB uploaded in 1.969 seconds
    Tested on: 2010.05.01 13:19 EDT
    Tested from: speedguide.net
    Test Link: -----------------------
    Latency: 127ms
    Provider: MY OPENVPNPROVIDER
    Location: Is this where my OpenVPN server should be located? Because it’s not the correct country of the OpenVPN server I use right now.
    Speed @ 28% of the average for MY OPENVPNPROVIDER

    Speedresult 3:
    “« SpeedGuide.net Speed Test Results »
    1045 kbps down (~1.05 Mbps, 128 KB/s)↓
    1351 kbps up (~1.35 Mbps, 165 KB/s)↑
    2048 KB downloaded in 16.062 seconds
    250 KB uploaded in 1.516 seconds
    Tested on: 2010.05.01 13:27 EDT
    Tested from: teslaone.com
    Test Link: -----------------------
    Latency: 127ms
    Provider: MY OPENVPNPROVIDER
    Location: Is this where my OpenVPN server should be located? Because it’s not the correct country of the OpenVPN server I use right now.”
    Speed @ 70% of the average for MY OPENVPNPROVIDER


    I have some more questions:

    Question 14: Location: Is this where my OpenVPN server should be located? Because it’s not the correct country of the OpenVPN server I use right now.”

    Question 15: “Speed @ 28% of the average for MY OPENVPNPROVIDER” Does this mean that I have 28% of the average compared to others who also have 100/10 line? Or just an averege, undependent of peoples bandwidth?

    As you see its bad speeds.
    Last edited by speedquest; 05-01-10 at 02:06 PM.

  8. #8
    I have now tested one more thing but without result:

    R.
    To see the network components, including protocols, which are associated with a network connection, open the Network Connections folder, right click, the connection, and select Properties.

    Here I have now only network component “Client For Microsoft Networks” and the protocol ”Internet Protocol (TCP/IP)” marked. But the speed hasn’t increased anything?

  9. #9
    SG Enthusiast Rollingstone's Avatar
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    I dont want to say that but "Since you've had OpenVPN , nothing you can do with Speed issue !"
    Firefox Extreme Speed Edition

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

  10. #10
    But there must be things to do. Because when I talk to people on the OpenVPN forums they say that the speed must be at least between 25-30 Mbit/s with the 100/10 connection I have? I have even talket at phone with my Internet Service Provider and they also told me that if I use OpenVPN with the strongest encryption at 4096 bit, then I should at least have download speed results between 25-30 Mbit/s. That’s already two different sources I got that info from. And then it’s weird that the upload speed is 5-6 times faster than the download speed when I use OpenVPN. So one more question:
    Question 16: How come that the down speed is 5-6 times faster than the upload speed when I use OpenVPN? Can I do something so the download speed will be faster at least, than the upload speed? I mean i pay for 100Mbit/s down and for 10 Mbit/s up, so the speedresult are somehow weird.

    Then I would like to have the other questions answered as well, at least Question 14 and Question 15. Just so I can understand the results from http://www.speedguide.net/speedtest/ correctly. Rollingstone if you can answer them please do. Or somebody else perhaps has any ideas or tips to give me?

    Perhaps the OpenVPN Company is lying to me about the speed? But that would be weird because the questions at the forums are public and if they lie, it would be protests, and I do have this information that the download speed should be at least between 25-30 Mbit/s when using OpenVPN with 4096 bits encryption confirmed from two different sources. The OpenVPN Provider says the servers are at 100Mbit/s. But when I point at the OpenVPN icon on the activity field it shows 10Mbit/s? When I point at my ISP:s icon it shows 100Mbit/s. I asked about that at the OpenVPN forum, but somebody wrote, that that it is nothing to worry about that the OpenVPN icon shows 10Mbit/s. Its still 100Mbit/s they wrote.

    Question 17: Can I really trust that, that its nothing to worry about that the OpenVPN icon shows only 10Mbit/s instead of 100Mbit/s as I think it should? Can it even though be 100Mbit/s?

    By the way I read my own thread and saw that you have made some changes of your own inlay.
    “SHow us :

    + New TCP Analyzer ! I wrote about it, See in my thread above and now down.
    + Tracert to http://www.bredbandskollen.se/ I wrote about it, See in my thread above and now down.
    + HijackThis log Se down here.

    When connecting VPN !”


    Here is my tracertlog:



    1 52 ms 49 ms 51 ms ------------------------------------------------
    2 52 ms 51 ms 52 ms ------------------------------------------------
    3 51 ms 49 ms 53 ms ------------------------------------------------
    4 53 ms 51 ms 53 ms ------------------------------------------------
    5 54 ms 84 ms 81 ms ------------------------------------------------
    6 66 ms 65 ms 68 ms ------------------------------------------------
    7 82 ms 82 ms 81 ms ------------------------------------------------
    8 172 ms 81 ms 83 ms ------------------------------------------------
    9 89 ms 84 ms 84 ms ------------------------------------------------
    10 83 ms 83 ms 81 ms www.bredbandskollen.se [77.72.229.250]

    Here is my HiJackThis log:

    “Logfile of Trend Micro HijackThis v2.0.2
    Scan saved at 03:05:34, on 2010-05-02
    Platform: Windows XP SP3 (WinNT 5.01.2600)
    MSIE: Internet Explorer v8.00 (8.00.6001.18702)
    Boot mode: Normal

    Running processes:
    C:\WINDOWS\System32\smss.exe
    C:\WINDOWS\system32\winlogon.exe
    C:\WINDOWS\system32\services.exe
    C:\WINDOWS\system32\lsass.exe
    C:\WINDOWS\system32\svchost.exe
    C:\WINDOWS\System32\svchost.exe
    C:\WINDOWS\system32\ZoneLabs\vsmon.exe
    C:\ Program Files \Lavasoft\Ad-Aware\AAWService.exe
    C:\WINDOWS\system32\spoolsv.exe
    C:\ Program Files \Shared files\ArcSoft\Connection Service\Bin\ACService.exe
    C:\WINDOWS\System32\GEARSec.exe
    C:\ Program Files \ Shared files \Microsoft Shared\VS7DEBUG\MDM.EXE
    C:\WINDOWS\system32\svchost.exe
    C:\WINDOWS\Explorer.EXE
    C:\ Program Files \Microsoft Office\Office12\GrooveMonitor.exe
    C:\ Program Files \Zone Labs\ZoneAlarm\zlclient.exe
    C:\ Program Files \OpenVPN\bin\openvpn-gui.exe
    C:\WINDOWS\system32\ctfmon.exe
    C:\ Program Files\Spybot - Search & Destroy\TeaTimer.exe
    C:\ Program Files \MemTurbo\memturbo.exe
    C:\ Program Files \MSI\PC Alert 4\PCAlert4.exe
    C:\ Program Files \OpenVPN\bin\openvpn.exe
    C:\ Program Files \Mozilla Firefox\firefox.exe
    C:\MY PROGRAMS\HiJackThis 090401 from TrenMicro\HijackThis.exe
    R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.speedguide.net/
    R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = localhost:8020
    R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = local
    R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Links
    O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\ Program Files \Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
    O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\ Program Files \SPYBOT~1\SDHelper.dll
    O2 - BHO: Groove GFS Browser Helper - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - C:\ Program Files \Microsoft Office\Office12\GrooveShellExtensions.dll (disabled by BHODemon)
    O2 - BHO: Windows Live loginhelpfile - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\ Program Files \Shared files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll (disabled by BHODemon)
    O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\ Program Files \Java\jre6\bin\jp2ssv.dll (disabled by BHODemon)
    O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\ Program Files \Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll (disabled by BHODemon)
    O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
    O4 - HKLM\..\Run: [GrooveMonitor] "C:\ Program Files \Microsoft Office\Office12\GrooveMonitor.exe"
    O4 - HKLM\..\Run: [ZoneAlarm Client] "C:\ Program Files \Zone Labs\ZoneAlarm\zlclient.exe"
    O4 - HKLM\..\Run: [DWQueuedReporting] "C:\ Program Files \SHARED~1\MICROS~1\DW\dwtrig20.exe" -t
    O4 - HKLM\..\Run: [openvpn-gui] C:\ Program Files \OpenVPN\bin\openvpn-gui.exe
    O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
    O4 - HKCU\..\Run: [Tcpview] C:\MY PROGRAMS\Tcpview och Tcpcon\Tcpview.exe
    O4 - HKCU\..\Run: [Taskscheduler taskmgr] C:\WINDOWS\system32\taskmgr.exe
    O4 - HKCU\..\Run: [PeerBlock] C:\ Program Files \PeerBlock\peerblock.exe
    O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\ Program Files \Spybot - Search & Destroy\TeaTimer.exe
    O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'LOCAL SERVICE)
    O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'NETWORK SERVICE')
    O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
    O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
    O4 - Startup: Download Mage.lnk.disabled
    O4 - Startup: OneNote 2007 Screen Clipper and Launcher.lnk.disabled
    O4 - Global Startup: Adobe Reader Speed Launch.lnk.disabled
    O4 - Global Startup: GA311 Smart Wizard Utility.lnk.disabled
    O4 - Global Startup: HP Digital Imaging Monitor.lnk.disabled
    O4 - Global Startup: Logitech Desktop Messenger.lnk.disabled
    O4 - Global Startup: MemTurbo.lnk = C:\ Program Files \MemTurbo\memturbo.exe
    O4 - Global Startup: PC Alert 4.lnk = C:\ Program Files \MSI\PC Alert 4\PCAlert4.exe
    O4 - Global Startup: PCPhone.lnk.disabled
    O4 - Global Startup: SecureDoc.lnk.disabled
    O4 - Global Startup: Ulead Photo Express 3.0 SE Calendar Checker.lnk.disabled
    O4 - Global Startup: Watch.lnk.disabled
    O8 - Extra context menu item: Download Links As... - file://C:\WINDOWS\system32\page.htm
    O8 - Extra context menu item: Download Target(s) As... - file://C:\WINDOWS\system32\link.htm
    O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\ Program Files \MICROS~2\Office12\EXCEL.EXE/3000
    O8 - Extra context menu item: E&xport till Microsoft Excel - res://C:\ Program Files \MICROS~2\OFFICE11\EXCEL.EXE/3000
    O9 - Extra button: Send to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\ Program Files \MICROS~2\Office12\ONBttnIE.dll
    O9 - Extra 'Tools' menuitem: S&end to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\ Program Files \MICROS~2\Office12\ONBttnIE.dll
    O9 - Extra button: Yahoo! Services - {5BAB4B5B-68BC-4B02-94D6-2FC0DE4A7897} - C:\ Program Files \Yahoo!\Common\yiesrvc.dll
    O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\ Program Files \MICROS~2\Office12\REFIEBAR.DLL
    O9 - Extra button: Real.com - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - C:\WINDOWS\system32\Shdocvw.dll
    O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\ Program Files \SPYBOT~1\SDHelper.dll
    O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\ Program Files \SPYBOT~1\SDHelper.dll
    O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
    O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
    O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\ Program Files \Messenger\msmsgs.exe
    O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\ Program Files \Messenger\msmsgs.exe
    O16 - DPF: {CAFEEFAC-0016-0000-0013-ABCDEFFEDCBA} (Java Plug-in 1.6.0_13) -
    O18 - Protocol: grooveLocalGWS - {88FED34C-F0CA-4636-A375-3CB6248B04CD} - C:\ Program Files \Microsoft Office\Office12\GrooveSystemServices.dll
    O23 - Service: ArcSoft Connect Daemon (ACDaemon) - ArcSoft Inc. - C:\ Program Files \Shared Files\ArcSoft\Connection Service\Bin\ACService.exe
    O23 - Service: GEARSecurity - GEAR Software - C:\WINDOWS\System32\GEARSec.exe
    O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\ Program Files \ Shared Files \InstallShield\Driver\11\Intel 32\IDriverT.exe
    O23 - Service: Lavasoft Ad-Aware Service - Lavasoft - C:\ Program Files \Lavasoft\Ad-Aware\AAWService.exe
    O23 - Service: NBService - Nero AG - C:\ Program Files \Nero\Nero 7\Nero BackItUp\NBService.exe
    O23 - Service: NMIndexingService - Nero AG - C:\ Program Files \ Shared Files \Ahead\Lib\NMIndexingService.exe
    O23 - Service: Norton Ghost - Symantec Corporation - C:\ Program Files \Symantec\Norton Ghost\Agent\PQV2iSvc.exe
    O23 - Service: OpenVPN Service (OpenVPNService) - Unknown owner - C:\ Program Files \OpenVPN\bin\openvpnserv.exe
    O23 - Service: ServiceLayer - Nokia. - C:\ Program Files \ Shared Files \PCSuite\Services\ServiceLayer.exe
    O23 - Service: Readservice USN Journal for foldershareing in Messenger (usnjsvc) - Unknown owner - C:\ Program Files \MSN Messenger\usnsvc.exe (file missing)
    O23 - Service: TrueVector Internet Monitor (vsmon) - Check Point Software Technologies LTD - C:\WINDOWS\system32\ZoneLabs\vsmon.exe

    --
    End of file - 7568 bytes”

    Thise executables are missing in the log? I can see them in the Task Manager.
    alg.exe
    csrss.exe
    notepad.exe
    ScanningProcess.exe
    Four svchost.exe are missing in the HiJackThis log
    System
    System Idle Process
    Taskmgr.exe
    Unsecapp.exe
    Wdfmgr.exe
    Wfwin.32.exe
    WINWORD.EXE
    Wmiprvse.exe

    Here is my new TCP Analyzer log:

    “« SpeedGuide.net TCP Analyzer Results »
    Client OS: Windows XP

    TCP options string: 020404ae01010402
    MSS: 1198
    MTU: 1238
    TCP Window: 16772 (multiple of MSS)
    RWIN Scaling: 0 bits
    Unscaled RWIN : 16772
    Recommended RWINs: 64692, 129384, 258768, 517536, 1035072
    BDP limit (200ms): 671kbps (84KBytes/s)
    BDP limit (500ms): 268kbps (34KBytes/s)
    MTU Discovery: ON
    TTL: 119
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)”

    Question 18: I really got surprized because of the result "TCP Window: 16772 (multiple of MSS) “ is far less than in the earlier result? How can it be so different? In the first result I got “TCP Window: 3083520 (NOT multiple of MSS) “??


    Perhaps it changed when I changed from 100Mbit/Full duplex to Automatic for my network card? Anyway I tested again and got this result:

    “« SpeedGuide.net TCP Analyzer Results »
    Client OS: Windows XP

    TCP options string: 020404ae0103030601010402
    MSS: 1198
    MTU: 1238
    TCP Window: 4024960 (NOT multiple of MSS)
    RWIN Scaling: 6 bits (2^6=64)
    Unscaled RWIN : 62890
    Recommended RWINs: 64692, 129384, 258768, 517536, 1035072
    BDP limit (200ms): 160998kbps (20125KBytes/s)
    BDP limit (500ms): 64399kbps (8050KBytes/s)
    MTU Discovery: ON
    TTL: 119
    Timestamps: OFF
    SACKs: ON
    IP ToS: 00000000 (0)”

    I saw that the “TCP Window: 4024960 (NOT multiple of MSS)”, so I now changed it to 4140288 instead. We will se what happening after restart.

    Question 19: I have wondered a lot and I wonder if its not better for me to fix more RAM-memory? Perhaps that is the solution on my speed problem?




    Thanks everyone for tips and solutions as fast as possible in advance. Bye for now.
    Last edited by speedquest; 05-02-10 at 03:18 PM.

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