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From: Eugene Grosbein <egrosbein@rdtc.ru>
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To: Mike Tancsa <mike@sentex.net>
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Cc: freebsd-net <freebsd-net@freebsd.org>
Subject: Re: Problem with igb(4) updated to version 2.0.7
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On 04.12.2010 01:37, Mike Tancsa wrote:

>> Now I see, thanks.
>>
>> Is it technically possible to bring link down
>> for distinct port of dual-port em/igb-supported NICs using software?
>>
>> If yes, I'd like to patch my source tree.
>> For EtherChannel this kind of management should be possible.
> 
> 
> If your switch port's speed and duplex are manual, change the media
> options on the NIC to something like 10 half. The switch should see the
> port "down" then.

Yes, but switches are not always at my control and one may be in auto mode.

Eugene Grosbein