Hi, I just recently installed Win XP and use the Home Networking wizard to setup a sharing connection for my 2 computers. Everything went fine and all have access to Internet. I enabled the feature "Protect this computer from ...." or so called as XP built-in Firewall. With just the main computer turned on, my download speed is way below what I used to have (550+ KB/s) and now it's like < 200 KB/s. I used the cablenut tweak.
Here's my specs on MAIN computer:
1. PIII 1.0 GHz
2. 1.0 GB of SDRAM
3. 32MB Video S3
4. Cable nut installed
TCP options string = 020405b40103030301010402
MTU = 1500
MTU is fully optimized for broadband.
MSS = 1460
Maximum useful data in each packet = 1460, which is equal to MSS.
Default Receive Window (RWIN) = 513920
RWIN Scaling (RFC1323) = 3 bits
Unscaled Receive Window = 64240
RWIN is a multiple of MSS
Other values for RWIN that might work well with your current MTU/MSS:
256960 (MSS x 44 * scale factor of 4)
128480 (MSS x 44 * scale factor of 2)
64240 (MSS x 44)
bandwidth * delay product:
Your RcvWindow limits you to: 20556.8 kbps (2569.6 KBytes/s) @ 200ms
Your RcvWindow limits you to: 8222.72 kbps (1027.84 KBytes/s) @ 500ms
MTU Discovery (RFC1191) = ON
Time to live left = 55 hops
TTL value is ok.
Timestamps (RFC1323) = OFF
Selective Acknowledgements (RFC2018) = ON
IP type of service field (RFC1349)= 00000000
----------------------------------------
What's wrong???
XP and Home Networking
yea, disable the built in XP firewall....get ZoneAlarm...much better and safer.
http://www.grc.com goto there, do the Shield's Up test, and Probe my Ports...to see if XP's firewall protects everything....if it doesn't, try ZoneAlarm..... http://www.zonelabs.com it's free too.
http://www.grc.com goto there, do the Shield's Up test, and Probe my Ports...to see if XP's firewall protects everything....if it doesn't, try ZoneAlarm..... http://www.zonelabs.com it's free too.
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Lobo
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XP's firewall works fine, you don't need another, Cablenuts settings are for small RWIN, it does not work right with the big one you have in now, follow directions on help page below 
Tweaks for Windows XP
1.) Turn off System restore and auto updates. If you keep registry backed up you do not need System Restore.
2.) Use SG's System ini tweak set at 7168, type sysedit in run box, Close out of all boxes except System Ini, put it in 386th Enh, thats where it goes , see if it helps you are not, if you don't have alot of RAM it might not.
3.) Go to control panel, system, advanced tab at top,performance, settings, click on best performance,then advanced tab at top, background services, then programs
4.) Disable IDE Port Scanning on empty ports and save bootup time.
Go to System Properties by right-clicking on My Computer or via the Control Panel.
Select the Hardware tab.
Look at the Device Manager section and click on the Device Manager button.
This brings up the Device Manager screen.
Open up the IDE ATA/ATAPI controllers device branch. Then you will see a list of all the IDE controllers
and channels in your system.
Now, select any one of the IDE channels, right click and choose Properties. Or just double click on the
IDE channel.
Now, select the Advanced Settings tab to get the screen below. As you can see below,
the second port (Device 1) on the Primary IDE Channel does not any IDE device attached to it.
Thus, the Device Type is labeled as Auto Detection. In contrast, the first port has a device attached. That's why the Device Type is grayed out.
To disable IDE device scanning for the second port, click on Auto Detection and you will see
two choices on the list. Select None.
Click OK and reboot. Windows 2000 will now refrain from scanning that IDE port at start up and
should load a little faster
5.) Use Win 2000- patches for XP
6.) Yes Cablenuts adjuster works with XP
7.) This is the neatest, do it and come back to forum,
Click Start, click Control Panel, and then click Appearance and Themes.
Click the Display icon, click the Appearance tab, and then click Effects.
Click the Use the following method to smooth edges of screen fonts check box to select it, and select ClearType from the list.
Click OK, and then click OK again.
8.) This was for WIN 2000 but it works in XP too, I use it:
Here's a great tip to speed up your browsing of Windows 2000 machines. Its actually a fix to a bug that by default of a normal Windows 2000 setup that scans shared files for Scheduled Tasks. And its turns out that you can experience a delay as long as 30 seconds when you try to view shared files across a network from as Windows 2000 is using the extra time to search the remote computer. Note that though the fix is originally intended for only those affected, Windows 2000 users will experience that actual browsing speed of both the Internet & Windows Explorers improving significantly after applying it since it doesnt search for the Scheduled Tasks anymore. Here's how :
9.) This make broswing alot faster, but if you use scheduled tasks, don't do this,
Open up the Registry and go to :
HKEY_LOCAL_MACHINE/Software/Microsoft/Windows/Current Version/Explorer/RemoteComputer/NameSpace
Under that branch, select the key :
{D6277990-4C6A-11CF-8D87-00AA0060F5BF}
and delete it.
10.) Auto Logon XP
real easy and straight forward.
1. click on "Start" - then click on "Run" - type "control userpasswords2"
2. click OK
3. On the Users tab, clear the "Users must enter a user name and password to
use this computer" check box.
4. A dialog will appear that asks you what user name and password should be used to logon automatically.
Your all set.
11.) One of the most full featured Windows XP configuration tools available is hidden right there in your system, but most people don't even know it exists. It's called the Local Group Policy Editor, or gpedit for short. To invoke this editor, select Start and then Run, then type the following:
gpedit.msc
12.) You can easily create a bootable floppy disk by following these steps:
Place a blank disk in the floppy disk drive.
Click Start, and then click My Computer. Or My Computer Icon on desktop
Right–click the floppy disk drive, and then click Format on the shortcut menu.
Click Create an MS–DOS startup disk, and then click Start.
Now you’re on your way to a bootable startup disk.
13.) NIC Buffer tweaks: For W2k and XP
In Cablenuts adjuster put:
InitialLargerBufferCount- 48
InitialMediumBufferCount- 96
InitalSmallBufferCount-150
LargerBufferSize-40960
MaxFastTransmit-2
MediumBufferSize- 1805
PriorityBoost-2
SmallBufferCount- 1024
Priority Booost for WIN XP is 10
14.) Click on tools at top of IE, internet options, settings, click on every visit to page, helps on forums alot
15.) Everytime (Not once while testing, EVERYTIME you test) you must clear temp files, offline files and history files, directions on help thread in signature
16.) More comfortable performing a task with the familiar Windows Classic user interface? You can quickly switch the user interface to the familiar Windows Classic appearance on your computer if it helps you remember a task in your operating system or program. You can go back to the original Windows look with a couple clicks.
Right-click on your desktop, and then click Properties.
Click the Appearance tab.
On the Windows and Buttons menu, select Windows Classic. Click OK.
Tweaks for Windows XP
1.) Turn off System restore and auto updates. If you keep registry backed up you do not need System Restore.
2.) Use SG's System ini tweak set at 7168, type sysedit in run box, Close out of all boxes except System Ini, put it in 386th Enh, thats where it goes , see if it helps you are not, if you don't have alot of RAM it might not.
3.) Go to control panel, system, advanced tab at top,performance, settings, click on best performance,then advanced tab at top, background services, then programs
4.) Disable IDE Port Scanning on empty ports and save bootup time.
Go to System Properties by right-clicking on My Computer or via the Control Panel.
Select the Hardware tab.
Look at the Device Manager section and click on the Device Manager button.
This brings up the Device Manager screen.
Open up the IDE ATA/ATAPI controllers device branch. Then you will see a list of all the IDE controllers
and channels in your system.
Now, select any one of the IDE channels, right click and choose Properties. Or just double click on the
IDE channel.
Now, select the Advanced Settings tab to get the screen below. As you can see below,
the second port (Device 1) on the Primary IDE Channel does not any IDE device attached to it.
Thus, the Device Type is labeled as Auto Detection. In contrast, the first port has a device attached. That's why the Device Type is grayed out.
To disable IDE device scanning for the second port, click on Auto Detection and you will see
two choices on the list. Select None.
Click OK and reboot. Windows 2000 will now refrain from scanning that IDE port at start up and
should load a little faster
5.) Use Win 2000- patches for XP
6.) Yes Cablenuts adjuster works with XP
7.) This is the neatest, do it and come back to forum,
Click Start, click Control Panel, and then click Appearance and Themes.
Click the Display icon, click the Appearance tab, and then click Effects.
Click the Use the following method to smooth edges of screen fonts check box to select it, and select ClearType from the list.
Click OK, and then click OK again.
8.) This was for WIN 2000 but it works in XP too, I use it:
Here's a great tip to speed up your browsing of Windows 2000 machines. Its actually a fix to a bug that by default of a normal Windows 2000 setup that scans shared files for Scheduled Tasks. And its turns out that you can experience a delay as long as 30 seconds when you try to view shared files across a network from as Windows 2000 is using the extra time to search the remote computer. Note that though the fix is originally intended for only those affected, Windows 2000 users will experience that actual browsing speed of both the Internet & Windows Explorers improving significantly after applying it since it doesnt search for the Scheduled Tasks anymore. Here's how :
9.) This make broswing alot faster, but if you use scheduled tasks, don't do this,
Open up the Registry and go to :
HKEY_LOCAL_MACHINE/Software/Microsoft/Windows/Current Version/Explorer/RemoteComputer/NameSpace
Under that branch, select the key :
{D6277990-4C6A-11CF-8D87-00AA0060F5BF}
and delete it.
10.) Auto Logon XP
real easy and straight forward.
1. click on "Start" - then click on "Run" - type "control userpasswords2"
2. click OK
3. On the Users tab, clear the "Users must enter a user name and password to
use this computer" check box.
4. A dialog will appear that asks you what user name and password should be used to logon automatically.
Your all set.
11.) One of the most full featured Windows XP configuration tools available is hidden right there in your system, but most people don't even know it exists. It's called the Local Group Policy Editor, or gpedit for short. To invoke this editor, select Start and then Run, then type the following:
gpedit.msc
12.) You can easily create a bootable floppy disk by following these steps:
Place a blank disk in the floppy disk drive.
Click Start, and then click My Computer. Or My Computer Icon on desktop
Right–click the floppy disk drive, and then click Format on the shortcut menu.
Click Create an MS–DOS startup disk, and then click Start.
Now you’re on your way to a bootable startup disk.
13.) NIC Buffer tweaks: For W2k and XP
In Cablenuts adjuster put:
InitialLargerBufferCount- 48
InitialMediumBufferCount- 96
InitalSmallBufferCount-150
LargerBufferSize-40960
MaxFastTransmit-2
MediumBufferSize- 1805
PriorityBoost-2
SmallBufferCount- 1024
Priority Booost for WIN XP is 10
14.) Click on tools at top of IE, internet options, settings, click on every visit to page, helps on forums alot
15.) Everytime (Not once while testing, EVERYTIME you test) you must clear temp files, offline files and history files, directions on help thread in signature
16.) More comfortable performing a task with the familiar Windows Classic user interface? You can quickly switch the user interface to the familiar Windows Classic appearance on your computer if it helps you remember a task in your operating system or program. You can go back to the original Windows look with a couple clicks.
Right-click on your desktop, and then click Properties.
Click the Appearance tab.
On the Windows and Buttons menu, select Windows Classic. Click OK.