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Date:      Tue, 12 Feb 2002 20:19:42 -0600
From:      Jason Smith <jasonsmi@TTACS.TTU.EDU>
To:        Christian Weihs <whitey@whitey.at>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: Welcome to the FreeBSD Documentation Server
Message-ID:  <23DCEA62-2028-11D6-AFE0-000A277E70B6@ttacs.ttu.edu>
In-Reply-To: <000801c1b431$4e470940$0301a8c0@dcons>

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The port that I use in my dorm room goes straight to a 10base-t only 
router in our IDF.  The IDF sends to the MDF over fiber and then over 
fiber to wherever it enters the campus.  So I know that I am not limited 
to half-duplex, as I would be if connected to a hub (right?).  I know 
that manually selecting full-duplex works, because we do it with all of 
our Windows machines.  I didn't think I would have such a problem with 
my Mac though.

"man en" doesn't give me any info, just an error message.

On Tuesday, February 12, 2002, at 07:54  PM, Christian Weihs wrote:

>> I know that full-duplex is supported by our LAN, and I know that I am
>> not going through a hub.
>
> Not connected to a hub? How then?
> I've had a similar problem with an old DEC Tulip NIC. I'm connected
> through a 10/100 Switch but the card wouldn't recognize the link.
> I tried to force it with
> ifconfig de0 <ip and mask> media 100BaseTX mediaopt full-duplex
> but the link wouldn't come up. Only after disconnecting the TP cable
> and connecting it right afterwards the link would be recognized.
> Maybe it was the Switch (cheap and nasty Surecom Switch). After all,
> network hardware is a bit sensitive about what you plug together.
>
>> I have tried the command "ifconfig en0 media 10baset/utp mediaopt
>> full-duplex" and it returns:
>>
>> ifconfig: SIOCSIFMEDIA: Operation not supported
>>
>> Does this mean that I cannot set it to full-duplex even as root?  I 
>> know
>> that the version of FreeBSD OSX uses is out of date.  Could this be
>> something that wasn't allowed in the older version that X uses?
>
> I think the mediatype is case-sensitive....but try
> man en
> This should show you the right options for this driver.
>
> Christian


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