> On Jan 17, 2017, at 11:54, Hartmann, O. <ohartm...@walstatt.org> wrote:
> 12-CURRENT (FreeBSD 12.0-CURRENT #74 r312348: Tue Jan 17 19:54:58 CET
> 2017 am64) reports the wrong linkspeed on a dualport Intel i350 NIC:
> igb0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
> 1500
> ether xx:xx:xx:xx:xx:xx inet netmask 0xffffff00 broadcast
>        media: Ethernet autoselect (100baseTX <full-duplex>)
>        status: active
> The swith the NIC is connected to reports 1 GBit. I checked with two
> switches, FreeBSD reports bullshit on that subject.
> I also realised severe problems of this Intel i350 dual NIC cards with
> FreeBSD (we use this NIC type as a standard and so we have plenty, all
> with the same issue). When the NIC negotiates its linkspeed, it very
> often fall back to 100 MBit. This behaviour is not predictable, but it
> occurs with a SoHo smart managed Netgear GS110TBv2 and some of our
> Cisco Catalyst switches at work (some 35XX and 29XX, I do not know the
> exact type).

    One of the workarounds for igb wasn't ported to the new driver--I remember 
an issue like this being solved sometime in the 2015-2016 timeframe (I'm 
leaning towards 2016).
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