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Thanks friends,detailer,Dave, enoskype ,Ted ,Icy,Tim, samr,, VMAN, solbjerg, I know I'm leaving some one out; sorry. Hey see you all at the truck. It's been my pleasure. I wish you all the best, may God bless you. I wish you health ,wealth, and happiness, and may you always be the windshield, and never the bug. I hope ASC3 and IOBIT become no1 in their field. I learned a lot on this forum, and I will always be thank full for that. One step forward and two steps back lol. Learn one thing forget ten. I'll be watching to see if you are no1 in down loads. Sorry, I'm burned out for now. I hope I was a help and not a pain in the rear.[garybear]

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Hi garybear,


Thank you for the screenshot.

It shows that you have not used the advanced configuration.


Now we will Optimize your TCP/IP connection.


You said before that your connection speed is 100 Mbps, I assume it is correct, but please after deciding your:


-Connection type (DSL, Cable, etc.). Also if it is PPPoE or not (you can ask that to your ISP provider and

-Your network adapter. (Ethernet, wireless, datacable, etc.),


Follow the steps below to Optimize your IE broadband internet connection. (PPPoE or not)


General Settings tab:

1) Slide the slider to the utmost right to 100M

2) Select your connection adapter from the dropdown menu.

3) Check "Modify all network adapter.

4a) If the connection type is PPPoE, check the checkbox of PPPoE. (If you check, MTU must be 1492.)

4b) If the connection type is not PPPoE, leave the checkbox empty. (MTU is 1500)

5a) TCP Receive Window will be 1022208.

5b) TCP Receive Window will be 1027840.

6) Change Time to live to 128. (You can try with 64 also.)

7) Check the check box of TCP 1323 Options "Window Scaling".

8 ) Leave "Timestamps" checkbox empty.

9) Click "Apply!" button.

DO NOT change anything under "Advanced Setting" tab option.

10) Close the "FirefoxTCP Optimizer" program.




Go to:

http://www.speedguide.net =>mouse over "Broadband"=>mouse over "Broadband Tools"=>mouse over and click "SG TCP/IP Analyzer"=>"SpeedGuide.net TCP/IP Analyzer" page.


Check if your choices you have made before in FirefoxTCP Optimizer is confirmed there.


Go to: Share Your Results section on the same page:

Click in text area to highlight. You can use CTRL+C to copy included results to clipboard, CTRL+V to paste them to the post.


Please include the content of that in your post.


I hope you will notice a difference now.

BTW, you can revert back to your settings before, by clicking "Recover" on top of FirefoxTCP Optimizer.


NOTE: After Optimization of TCP, you have to put the System Optimization changes suggested by ASC 3 concerning those changes, to "Ignore List".



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I'm hoping


I'm hoping I did every thing you asked me to do enoskype. I really admire your vast knowledge of computers, and would do any thing that you tell me to do. You are a great friend and I'm honored and privileged to know you. I am having a difficult time in my life. I will share that with you later. No one on the forum has done any thing except good things for me. This is my first forum, and I love it. I have learned so much, and look forward to learning more. Thank you more than I can express in mere words.[garybear]

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Hi garybear,


I am here to try to help to the users, so thank you very much for your encouraging words.


You have done exactly what I wanted you to do, but, since you didn't give me details of your connection type and adapter,

first we are going to change RWIN and TTL, assuming you are connected with 100 Mbps, PPPoE, with Ethernet data cable to DSL.


There is something (DSL modem/router or your adapter) restricting your MTU, but we will look to that later.

(MTU should have been 1492, and MSS should have been 1452.)


NOW, in your Firefox TCP optimizer, under "General Settings" please change:


"TCP Receive Window" value to 1013760


"Time to live" value to 139





Please give feedback if there is a difference in speed.



With your feedback, please post both screenshots, Firefox TCP Optimizer (General Settings) and SpeedGuide.net (Share Your Results) together as two attachments.


Thank you and cheers.

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Great garybear.:-D


First two attachments are what I wanted from you.


Congratulations. NOW, your IE TCP/IP connection is optimized with your existing configuration.


There is only one thing left to be ptimized: your MTU (MSS goes together with it.)


If it is restricted by your DSL's modem/router, than I can not do much, but you can ask the provider how to increase the MTU within modem by it's software.


If it is your adapter, it is fairly tehnical, and you have to adjust it from it's properties in Device Manager.


If it can be changed by your registry, you can use MTU adjuster

Download cmtu10017.zip fle from:



Unzip, and extract "cmtutool.exe". Run it, and insert 1492 and Apply.


Check in SpeedGuide.net site as before and see if MTU is changed.


If MTU is changed to 1492, then we can apply the original RWIN:1022208, and that's it.


If it doesn't change the MTU, then leave it as it is and tthat's all we can do at the moment.


Still waiting your feedback about if you have felt any speed increase in yor connection to the web sites.




Note:What is that exception error for access violation of Explorer.exe on Jan 03 2009 in the attachment #4?

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I think so


I think so. I have not a clue about #4 attachment. It was Dr. Watson. Just threw it it to see if it had any value. I think it maybe faster, it was a great learning experience. I really appreciate you enoskype. Thank you very much. See it we got it right ,or still need some thing different.[garybear] PS What do I do with ignore list. Did I do that right?

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« SpeedGuide.net TCP Analyzer Results »

Tested on: 01.09.2009 00:19

IP address: 65.255.xx.xx


TCP options string: 020405a00103030401010402

MSS: 1440

MTU: 1480

TCP Window: 1013760 (multiple of MSS)

RWIN Scaling: 4 bits (2^4=16)

Unscaled RWIN : 63360

Recommended RWINs: 63360, 126720, 253440, 506880, 1013760

BDP limit (200ms): 40550kbps (5069KBytes/s)

BDP limit (500ms): 16220kbps (2028KBytes/s)

MTU Discovery: OFF

TTL: 128

Timestamps: OFF


IP ToS: 00000000 (0)

Is this what you want enoskype??

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Hi garybear, yes it is.


Did you change the MTU Discovery to OFF? Maybe, the last MTU tool did that.


Please turn it on by:

FirefoxTCP Optimizer=>TCP Optimize=>"Advance Settings" tab=>Advance Settings=>MTU Discovery=>choose "Yes" from dropdown menu=>Apply=>RESTART PC

You should not change any other adjustment over there in the mean time.


As far as I see, the MTU tool did not change the MTU value, so the problem is not from Registry, but from your DSL Modem/Router or Network Adapter as I mentioned in my previous post.


Try with Speedguide.net and see if MTU is changed. I doubt it ayway.


It could have been better with MTU=1492, but yours is the second best with your configuration.

You can get connection speed of circa 40Mbps with 200ms Approximate round trip times Bandwidth Delay, and circa 16Mbps with 500ms Approximate round trip times Bandwidth Delay.


I hope, overall, it helped to your IE connection.



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I think it was before you used MTU tool.


FirefoxTCP Optimizer shows what it wants to do, but report from Speedguide.net is the reality of what you have.


Check the MTU under "Advanced Settings" tab being sure that it is "YES", and click "Apply!" on that FirefoxTCP Optimizer and after RESTART of the PC, go to speedguide.net to see what your real values are.



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HELLO Everyone. When I stared this thread, I was pretty depressed . I had just learned that my favorite grand daughter might have cancer in her female organs. I have 1/2 colon and had 6 months chemo. My father and sister both died from cancer in their 40's,so I thought , here we go again. I lost only son at 23,from stupid accident . I was thoroughly pxxxxx with God at the time I started this thread. I was drinking a little when I started this thread ;which I now regret starting, but learned I have many friends here on the forum, so it wasn't a loss , but a blessing. I'm now ready to share all this with every one. THEY CAUGHT THE CANCER EARLY, AND MY GRAND DAUGHTER IS GOING TO BE JUST FINE, BUT WILL HAVE TO WATCH IT CLOSELY . Thank you every one for being so kind to me when I was being an ass. I'll not let this happen again(being an ass) I'LL JUST BE A PAIN IN THE REAR. This forum and every one on it ,is the best thing going. all my love to every one[garybear]PS Yes been in the Canadian Hunter (detailer) I'm celebrating lol. Thanks guys and gals; you too Icy lol

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