Date: Tue, 20 Mar 2018 17:44:11 -0500 From: Mark Kane <mark@kane.mn> To: dweimer@dweimer.net Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: Intel 82598EB twinax cables Message-ID: <4f1302c75c306e25e5d38370669d371a@kane.mn> In-Reply-To: <94c134bad1f05c434605862842937b17@dweimer.net> References: <94c134bad1f05c434605862842937b17@dweimer.net>
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On 2018-03-20 16:12, Dean E. Weimer wrote: > I am trying to utilize an old Dell R710 server that used to be in our > ESX cluster. To replace an even older FreeBSD server I have been > running. Because it's pretty stupid to throw massively better system > in the recycle pile while keeping the slower system online. > > The problem I have is that the new server has 10G Ethernet adapters > connected with Cisco Twinax Cables. > > Adapters are Intel 8259EB 10Gigabit AF Dual Port Adapters > > We have Cisco Twinax Cables connecting them to an Avaya VSP 7000 series > switch > > However I have been unable to get the interfaces to show any status > other than no carrier. I have tried everything including building a > custom kernel without the if_ix device and compiling the latest > version from Intel and installing that. > > I have done an up command on the interfaces, tried setting an IP, but > nothing changes the status. Am I missing something or is the FreeBSD > Driver just not compatible with these Twinax Cables? The cards of > course were used with these cables on VMWare? > > Here is the output from some commands below, there maybe some errors I > can't copy and past from the remote kvm console, so I had to type this > from reading the screen. this is just the first of the 4 interfaces. > > dmesg: > ix0: <Intel(R) PRO/10GbE PCI-Express Network Driver, Version - 3.2.17> > Port 0xccc0-0ccdf mem > 0xdeb40000-0xdeb5ffff,0xdeb80000-0xdebbffff,0xdeb38000-0xdeb3fff irq > 47 at device 0.0 on pci11 > ix0: Using MSI-X interrupts with 9 vectors > ix0: Ethernet address: 00:00:c9:85:33:22 > ix0: PCI Express Bus: Speed 2.5GT/s Width x8 > > pciconf -lv: > ix0@pci0:11:0:0: class=0x020000 card=0xe41010df chip=0x10c68086 > rev=0x01 hdr=0x00 > vendor = 'Intel Corporation' > device = '82598EV 10-Gigabit AF Dual Port Network Connection' > class = 'network' > subclass = 'ethernet' > > ifconfig -v ix0 > ix0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> METRIC 0 MTU > 9000 > > options=e407bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6> > ether 00:00:c9:85:33:22 > hwaddr 00:00:c9:85:33:22 > nd6 options=29<PREFORMNUD,IFDISABLED,AUTO_LINKLOCAL> > media: Ethernet autoselect > status: no carrier I've never tried with twinax cables but remember going down a similar path with an Intel 82599ES card and the included multimode optics. In the end, the ix driver in GENERIC plus "hw.ix.unsupported_sfp=1" in /boot/loader.conf allowed both ports to link correctly. Not positive if that's it here but hope that helps.
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