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Date:      Thu, 17 Jun 2010 06:16:41 -0400
From:      Alexander Sack <pisymbol@gmail.com>
To:        Jack Vogel <jfvogel@gmail.com>
Cc:        Juli Mallett <jmallett@freebsd.org>, freebsd-net@freebsd.org, Andrew Boyer <aboyer@averesystems.com>
Subject:   Re: Dual-rate transceivers with ixgbe?
Message-ID:  <AANLkTilCAsz1fkNFkVck68UnbcahP0ts7PzwzT_2AySw@mail.gmail.com>
In-Reply-To: <AANLkTim0QkU4WYCRlmkONHaqaCY9KwBwpp_HFgL2buts@mail.gmail.com>
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On Wed, Jun 16, 2010 at 8:14 PM, Jack Vogel <jfvogel@gmail.com> wrote:
> You cannot force the link speed, but my validation engineer just checked =
the
> current driver and it links down to 1G just fine,=A0 but you cannot do it
> manually,
> it is only negotiated.
>
> I am going to look at the code to add the manual control.

Thanks Jack!  The problem is that right now the card is connected to a
passive tap and there is no AN.  When I do ifconfig ix0 down &&
ifconfig ix0 up, the multispeed fiber logic goes into action but a
link never happens (it does for 10G but there is no AN on 10G so this
is expected).   (I tried various settings for LMS bits in AUTOC but I
could not get a link - the datasheet is very vague - actually come to
think of it, I dont think I tried setting it to 0 which is 1G which
maybe the trick)

-aps



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