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 From:  Jim Thompson <jim at netgate dot com>
 To:  David Courtney <blixel at gmail dot com>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] m0n0wall 1.2b# terrible wireless throughput
 Date:  Mon, 28 Mar 2005 13:07:15 -1000
The 'fact' that both the prism2.5 (11b) and atheros (11g) cards drop on 
FreeBSD 5.x based systems is somewhat interesting.

I can't remember (or find, natch) what kind of board you're running on.

I can say that FreeBSD 5.x systems (m0n0 1.2b6 in particular) get about 
18Mbps throughput
with 11g when I test them here.   (This peaks the CPU, btw.)   11b cards 
in the same (wrap) board
get 5Mbps, or possibly a little more.

This is likely either specific to your board, or you've got something 
going wrong in the local RF environment.


David Courtney wrote:

>I've been messing with m0n0wall versions for the last hour.  Here is
>what I've come up with so far.
>m0n0wall 1.2b5/6/7 all give me the same results with my 802.11 (b
>only) netgate card.  I get between 765kbps and 1Mpbps during large
>file transfers.  (I used a FreeBSD 600MB+ ISO to test the transfer.) 
>The average result was around 850kbps ... it would only occassionaly
>drop lower than 850kbps and would only ocassionally go higher than
>900kbps.  The connection seemed solid though.  Meaning it wouldn't
>drop out and the data rate was constant.  It didn't jump up and down
>much at all.  It also did not matter which channel I used.
>m0n0wall 1.11 and 1.2b3 give me the same result.  Which isn't too
>surprising since they are both FreeBSD 4.x.  But the result with those
>was a constant file transfer rate of 5.42Mbps - 5.72Mbps with no drop
>outs or sudden changes in data transfer speed.  Channel didn't matter.
>So the problem appears to be with m0n0wall versions that are using
>FreeBSD 5.x.  Unfortunately there's no 802.11g support in the 4.x
>version so I guess I'm just out of luck.
>At least for now, the 5.x FreeBSD versions aren't an option because
>the wireless connection quality is just too horrible.
>I'm not sure what else I can do.  I don't know if I can return the
>802.11g netgate card or not.  I certainly don't want to.  I want
>802.11g speed.  But I don't know when or if these apparent problems
>will be worked out.  If it's m0n0wall, it might be fixed in the next
>beta.  But if it's a kernel problem, there isn't much Manuel can do
>about it.
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