> On Jan 17, 2017, at 11:54, Hartmann, O. <ohartmann_at_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 > options=653dbb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,LRO,WOL_UCAST,WOL_MCAST,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6> > ether xx:xx:xx:xx:xx:xx inet 192.168.0.111 netmask 0xffffff00 broadcast > 192.168.0.255 nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> > 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). Hi, 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). Thanks, -NgieReceived on Tue Jan 17 2017 - 19:03:57 UTC
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