Advanced Server TNT
(Testing and Tweaking)
Unreal Tweaking Tips: Misc tips for tweaking your Server
RWIN: By: QAPete.
Another nasty thing many Server Admins running Win95/98 come across is something called RWIN. This is a registry setting that you simply MUST set correctly for your Server to operate properly (affects the download side, not the upload side). To set up your RWIN value to the correct one, follow these instructions exactly (use at your own risk - editing the registry is tricky business if you're not careful:
- Run REGEDIT from the Start menu (Start Menu | Run | regedit.exe)
- Find the section HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP
- After left clicking ONCE on this section, look at the right pane. You should see several keys there. If there is a key there called DefaultRcvWindow, update it to 65535 by double-clicking the value at the right-hand side. If there is no key, create one as a 'String Value', and put 65535 in it.
- Close REGEDIT, it will automatically save your changes.
- You will have to restart your computer for the changes to take effect.
Remember - the RWIN value is the ONLY one you will need to set. Win9x generally defaults this value to 8k, which is unsatisfactory for your UT server performance. Don't be messing with other keys, or you're going to mess up your computer but good (and I'll have to biotch slap you).
Windows NT users need not worry about this value, as NT is generally pretty good about dynamically tuning TCP/IP performance, along the lines of Linux and other non-Win9x operating systems.
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