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Date:  Mon, 08 Dec 2003 09:07:12 -0500
Sender: os2-wireless_users-owner <os2-wireless_users-owner@2rosenthals.com>
Reply-To: os2-wireless_users@2rosenthals.com
From:  Ray Hyder <os2-wireless_users@2rosenthals.com>
To:  os2-wireless_users@2rosenthals.com
Subject: [OS2Wireless] Can't copy to/from server



Sam Lewis wrote:

>Hi,
>I have been using an MA311 NIC for a month or so now.  I tried to copy a
>file from my server and the WifiState signal strength bar dropped to
>yellow and I lost my connection.  I thought this worked fine before but
>I'm not sure now.  I can download files from the internet just fine if I
>copy them to a local volume but if I try to download it to my server's
>it'll do the same thing.  Any ideas?
>
Sam, I had the same problem a while back.  Same card and driver.  
Exactly the same symptoms...

The problem you describe actually involves  two different protocols.  
TCP/IP when downloading from the internet.  Net bios when you try to 
download from the server (copy?).  In my case downloading from the 
internet worked fine as did FTP to/from the server.  Both of these are 
TCP/IP.  When trying to copy (Netbios) to/from the server the results 
were erratic and the WifiState signal strength varied and  frequently 
dropped to nothing  requiring a reboot the get the MA311 back again.  
The  FTP and Netbios tests were done with the same 5 meg file. 

Interesting thing was that everything I did to improve signal strength 
made the problem worse!  I installed hi-gain antennas on both ends and 
mounted the antenna on the outside of the building  leaving only one 
wooden wall between the remote system and the AP.   At idle the 
WifiState signal bar was pegged all the way to the right.  But as soon 
as I started a transfer it would begin to fluctuate and sometimes I 
would lose the signal/ma311 immediately and sometimes it would transfer 
the file several times before dropping the link.   AND sometimes the 
problem would  go away for hours and/or days...   Oh, I also tried TCP 
over Netbios with the same results.

I did NOT find a solution for this problem.  :-(

I went back to a 10/100 nic with 150 ft of Cat5e cable (cable will be 
buried this week) and  I am getting reliable file transfers at about 
6.5-7 MBS.  Much better than the  .5-.57   MBS I was getting when the 
WiFi thing worked. I haven't done all the testing I want to do at this 
point  but so far so good.  

I thought I was alone with this problem and chalked it up to an 
environmental problem on my property.  RF interference ?  I have dozens 
for wireless security devices here...  Don't know why it would only show 
up using Netbios though...   - ray



-- 
 
Ray Hyder
 
=====
 
"Why is this thus?  What is the reason for this thusness?"
 
 - Artemus Ward
 
=====


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