Ronald, If you don't need to do both at the same time or have a dual port 100g nic you should be able to use adapters like this https://www.fs.com/products/75320.html to go from qsfp+ to sfp+ or the qsfp28 variant for 25g
On Sun, Jul 21, 2019 at 10:40 AM Ronald Khoo <ron...@taufilms.com> wrote: > hi freebsd-net, > > two questions: > > a. does the qlnxe driver support treating one 100G port as four separate > 25G ethernet interfaces via a QSFP28 to 4 x SP25 DAC splitter cable? > > b. and does it work for one of those to be plugged into a 10G SFP+ switch? > > trying to figure out an upgrade path from 10G to 25G to 100G on a slot > constrained server -- a recent TYAN which only has one proprietary slot for > a high speed NIC and I'd like to be able to connect to both a current 10G > switch as well as a 100G switch in future (at 25 while migrating and then > at 100 once done). > > the alternative would be to buy a dual 10G NIC initially and then throw it > away when going to 100G -- I'm wondering if I can avoid that. > > thanks! > ronald > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" > _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
