Date: Sun, 15 Jan 2017 07:33:35 -0500 From: wonko@4amlunch.net To: Kevin Bowling <kevin.bowling@kev009.com> Cc: Lev Serebryakov <lev@freebsd.org>, freebsd-net@freebsd.org Subject: =?utf-8?Q?Re:_10Gb_on_budged_with_fiber_=E2=80=94_what_should_IP?= =?utf-8?Q?_choose=3F?= Message-ID: <6FCA135B-B7F6-4148-B1C3-FE0D4470A568@4amlunch.net> In-Reply-To: <CAK7dMtBEDZCLBfbm%2B=BxYqqaCkENJLVQhukQBr3VOpaBmq9TsA@mail.gmail.com> References: <1773236257.20170115123252@serebryakov.spb.ru> <CAK7dMtBEDZCLBfbm%2B=BxYqqaCkENJLVQhukQBr3VOpaBmq9TsA@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
How good is FreeBSD's mellanox support? You can get a ConnectX-2 EN for $15 o= n eBay and they are amazing cards. -brian > On Jan 15, 2017, at 05:03, Kevin Bowling <kevin.bowling@kev009.com> wrote:= >=20 > Intel is overpriced and still riding their Ethernet reputation from well > over a decade ago with little to show for it. I would recommend cxgbe > anything, so Chelsio T420 and up. The T520-SO-CR is within reason for > demanding home office/small office users to purchase new and I've deployed= > over a thousand of these at work with flawless performance. T420 are a bi= t > cheaper on i.e. US ebay if that is viable to you but not by too much. I > bought a T420-BT that way for home use and have no complaints. For non-TO= E > use at 10g, the difference between T4 and T5 doesn't matter too much, pcie= > 2.0 vs 3.0. >=20 > You can use DAC twinax cables to connect 10G SFP+ ports together. This > will save several watts of power and heat on each side vs 10G Base-T. > Sometimes DACs have interop problems, usually with switches. Optics are > more forgiving, although again the switch side may have extra hoops like > approved vendors. >=20 > As far as a switch, I got a good deal on the beta UniFi version of > https://www.ubnt.com/edgemax/edgeswitch-16-xg/ for my home network. Now > that it is full price, I would recommend the EdgeMax version unless you > have other UniFi gear. They are inexpensive as far as the physical > connectivity versus the rest of the market but not quite cheap yet. These= > aren't exactly pro grade, the interop seems pretty poor in general, but > that's the price you pay for the price you didn't pay :) >=20 > Regards, >=20 >> On Sun, Jan 15, 2017 at 2:32 AM, Lev Serebryakov <lev@freebsd.org> wrote:= >>=20 >> Hello Freebsd-net, >>=20 >> I want to attach my DIY-NAS (FreeBSD-based) to my desktop (Windows-based= ) >> with 10Gb link. I could not afford 10Gb switch for sure. So, it will be >> point-to-point connection only for my desktop and not other computers in >> my >> house. >>=20 >> Also, I could not use my current twisted pair wiring, as I need >> connection >> to router for my desktop too :) Cable ducts ion my house is overcrouded, >> so, I think only fiber is way to go, there is no chance to add CAT6 cable= >> between my room and storage room with server, and copper SFP-to-SFP >> patchcord is out of question! >>=20 >> So, I need cheap PCIe cards with SFP+ slots which is not very picky abou= t >> modules (I'm on budget!), with good FreeBSD support and drivers for >> Win'10 (which is another problem with very old cards). >>=20 >> What should I choose? There are A LOT of old 10Gb cards on eBay. Should I= >> choose Mellanox ConnectiX-2? Chelsio-T3? Something else? Intel X520 looks= >> as safe variant, but it is much more expensive and, as far as I know, it >> supports only expensive branded SFP+ modules, too. >>=20 >>=20 >> P.S. You could never stop upgrading your home NAS. >>=20 >> -- >> Best regards, >> Lev mailto:lev@serebryakov.spb.ru >> _______________________________________________ >> freebsd-net@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-net >> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >>=20 > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?6FCA135B-B7F6-4148-B1C3-FE0D4470A568>