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Date:  Mon, 08 Dec 2003 09:45:58 -0600
Sender: os2-wireless_users-owner <os2-wireless_users-owner@2rosenthals.com>
Reply-To: os2-wireless_users@2rosenthals.com
From:  Sam Lewis <os2-wireless_users@2rosenthals.com>
To:  os2-wireless_users@2rosenthals.com
Subject: [OS2Wireless] Can't copy to/from server

Ray Hyder wrote:

>
>
> 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,
I'm convinced that it has nothing really to do with actual signal 
strength.  The Windoze side works fine.  I'll keep testing as I am going 
to keep this configuration.  I guess I'll setup an FTP server on my PDC 
for a workaround for now.
Thanks,
Sam

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