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Date:      Fri, 06 Apr 2001 04:12:34 
From:      "Aaron Hill" <hillaa@hotmail.com>
To:        rlucas@solidcomputing.com, freebsd-questions@freebsd.org
Subject:   Re: FreeBSD limiting bandwith?
Message-ID:  <F129QpQq5pneeFUtLch000000bd@hotmail.com>

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>seem to be limiting upload speed or something. When testing with a 5.3 mb
>file from websites hosted on each I was getting 80 kb/sec from the win2k
>machine which is about right for the line but would only get a max of
>50 kb/sec from the BSD machines.
>
>All 3 machines are using the same type of nic, Realtek 10/100 pci
>cards. Is there some type of hidden setting I'm missing that is limiting
>the bandwith? Or is it perhaps a driver issue with the card? Any
>suggestions or ideas are appreciated.


Have you looked at the duplex & speed settings of the Realtek cards under 
FreeBSD?

To do that firstly check out what the settings are by issuing this command:

ifconfig rl0

(that's assuming the Realtek card device is rl0)

Then you can look at how the card is currently configured, have a look at 
what modes are supported and change those modes.

To change the media modes of the network card:

ifconfig rl0 media 10baseT/UTP
or
ifconfig rl0 media 100baseTX


To change the duplex modes of the network card:

ifconfig rl0 media 100baseTX mediaopt half-duplex
or
ifconfig rl0 media 100baseTX mediaopt full-duplex


I'm pretty sure you can only do half-duplex in 10Mb/s mode with this card so 
only worry about duplex in 100Mb/s mode.

Of course if you find something that works you can put the appropriate media 
and mediaopt commands in the ifconfig_rl0 line in /etc/rc.conf to keep the 
settings across reboots.

Let us know how you go.

Regards
Aaron Hill





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