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Article #56

Re: @home speed/NT Speed Up Settings

#56
From: Darth Vador
Date: Thu, 30 Oct 1997 00:00
171 lines
6618 bytes
I tried this on my computer and saw "no improvement." 

I curretly get apx 350-400k/sec on the @home network.

Can you get faster speeds or is this the max?


Greg



On Mon, 27 Oct 1997 15:48:02 -0800, frlyons@home.com (Frank Lyons)
wrote:

>In article <3459e697.500665699@snews.zippo.com>, joliverNO@homeSPAM.com 
>says...
>> On Sun, 26 Oct 1997 01:16:40 -0700, "MHH" <@san.rr.com> wrote:
>> 
>> 
>> >>>[Hkey_Local_Machine\System\CurrentControlset\Services\Class\NetTrans\000n]
>> >>>"MaxMTU"="1500"
>> >>>"MaxMSS"="1460"
>> >>>
>> >>>[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP]
>> >>>"DefaultRcvWindow"="32768"
>> >>>"DefaultTTL"="128"
>> 
>> Where would these keys be found in NT Workstation 4.0?
>> 
>To John Oliver:
>
>I hope the following info from a RoadRunner group helps.  There is an 
>more involved newsgroup message which I am looking for which may be of 
>further help
>
>Sincerely
>
>Frank Lyons
>
>
>Subject: Mo - speed Registry/PCI changes 95 & NT
>From: "MHH" <@san.rr.com>
>Newsgroups: roadrunner.help
>
>I have been experimenting with the registry settings on increase in speed
>thread as well as the MTU thread for both WIN95 and NT 4.0. The registry
>changes for WIN 95 seem to make a great deal of improvement of what I was
>previously getting (480kps vs 300kps) on a P133 32 megs WD 3.2G with 
>NE2000
>ISA clone NIC.
>
>I tried the registry setting for NT that was suggested by Larry 
>Richardson
>(see below) and went from 240kps (this evening about 7:00pm) to about 
>380kps
>on an AMD K6-200 32meg WD 4G with NE2000 clone NIC. I then added a SN3200
>PCI NIC (i.e. cheap PCI clone) and my download speeds of 'bigfile' went 
>to
>around 550kps with occassional bursts near 900kps!!
>
>I am convinced that both the registry settings and a PCI NIC are needed 
>to
>even come close to the speeds that RR promises. I had been hearing that
>these types of speeds were possible but was unaware of how to achieve 
>them
>until these two threads came out. Thanks for the tip and I can't wait to
>install a PCI NIC in my Win95 PC to see what improvement I can get out of
>it. I guess the only question I have is what major differences, if any, 
>it
>would make with the PCI NIC if I went with a name brand such as 
>Intel,3Com,
>etc, vs a clone?? Anyone have any input on that subject?
>
>Thanks again for the great info.
>
>P.S. RR should provide to RR customers that have the capability, a PCI 
>NIC
>card, as well as edit the registry with these settings for those users 
>who
>don't know how to edit the registry when they install RR. I think it 
>would
>save them a lot of hassle from customers who are complaining why they are
>not getting the speeds they advertise.
>
>____________________________________
>NT Settings.
>For NT4 use
>TcpWindowSize
>     Key:
>HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
>     Value Type: REG_DWORD - Number of bytes
>     Valid Range: 0 - 0xFFFF
>     Description: This parameter determines the
>     maximum TCP receive window size offered by
>     the system. The receive window specifies the
>     number of bytes a sender may transmit without
>     receiving an acknowledgment. In general,
>     larger receive windows will improve
>     performance over high (delay * bandwidth )
>     networks. For highest efficiency, the receive
>     window should be an even multiple of the TCP
>     Maximum Segment Size (MSS).
>I have mine set to 64240 decimal
>___________________________________________
>Frank W. Henderson wrote in message <62o6lg$rbk@prefetch.san.rr.com>...
>>I found this post interesting but i have two questions....
>>
>>1)  Will this work for Windows NT?  Everyone seems to be suggesting it's 
>a
>>win95 error.
>>2) what's the address to "bigfile" i must have missed the start of this
>>thread.
>>
>>thanks
>>frank henderson
>>farben@san.rr.com
>>
>>>; Joe McDonald <pchelp@san.rr.com>              2:39 PM 5/10/97
>>>; This is a registry update that changes TCP/IP settings.
>>>;
>>>; There are four TCP/IP MS Winsock protocol network settings when using 
>a
>>>; ethernet direct connection that can be configured in the registry to
>give
>>>; you somewhat better throughput and results.
>>>; They are the MaxMTU, MaxMSS and DefaultRcvWindow, and DefaultTTL.
>>>; You can adjust any of the values as you feel necessary.
>>>; If later you use a dial-up networking modem you may want to change 
>the
>>>; values from 1500, 1460, 32768, 128 to 576, 536, 8192, 128.
>>>;
>>>; Follow these steps:
>>>; * BACKUP - BACKUP - BACKUP - your registry !!! Use REGEDIT to do 
>this.
>>>; * Use REGEDIT to find where TCP/IP resides under the following key
>>>;   HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Class\NetTrans
>>>;   it will be a four-digit subkey (ie. 0002).
>>>; * Change the next occurrence of the "000n" characters in this 
>mstcp1.txt
>>>;   file to that subkey number.
>>>; * Change the name of this file from mstcp1.txt to mstcp1.reg.
>>>; * From explorer, double-clicking the .reg file will update the 
>registry
>>with
>>>;   the new settings.
>>>; * Reboot for the changes to take effect.
>>>;
>>>; Use at your own risk.
>>>
>>>[Hkey_Local_Machine\System\CurrentControlset\Services\Class\NetTrans\00
>0n]
>>>"MaxMTU"="1500"
>>>"MaxMSS"="1460"
>>>
>>>[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP]
>>>"DefaultRcvWindow"="32768"
>>>"DefaultTTL"="128"
>>
>>
>
>
>
>> *****************************************************
>> Watch for the spam trap in my email address, please...
>> Don't just hit 'Reply'!!
>> 
>> The opinions I express are mine, and do not 
>> necessarily reflect those of my employer or 
>> anyone else I may have any affiliation with.
>> 
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Path: arc1-ca.pugleaf.net!unknown!not-for-mail
References: <Pine.LNX.3.96.971024200239.26269A-100000@mvrop.lithium.com> <62uu14$aqj@prefetch.san.rr.com> <3459e697.500665699@snews.zippo.com> <MPG.ebec80b9cf6f3929896a0@news>

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From: grosler@home.com (Darth Vador)
Subject: Re: @home speed/NT Speed Up Settings
Date: 1997/10/30
Message-ID: <3457da3b.5232209@news>
X-Deja-AN: 285865174
References: <Pine.LNX.3.96.971024200239.26269A-100000@mvrop.lithium.com> <62uu14$aqj@prefetch.san.rr.com> <3459e697.500665699@snews.zippo.com> <MPG.ebec80b9cf6f3929896a0@news>
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Newsgroups: sdnet.cablemodems,comp.dcom.modems.cable,cableinet.cable_modems