David, > We're trying to get 40 gbe connection between Mellanox switches and Cisco > switches down at the other end of the machine room > The BiDi part seems to be the best given about 30m run on multimode. > However Mellanox support says it's not supported. > Want to use this to get close to IB speeds for GPFS on nodes that aren't > on the IB fabric. > Does anyone have any luck getting 40 or 100 gig at 20-30m when the > switches are different brands? maybe that's a good reason to get in contact with the team from Interoptic. They claim a good expertise for these kind of problems - feedback is good. http://packetpushers.net/podcast/podcasts/show-360-all-about-optics-interoptic-sponsored/ https://interoptic.com/ Frank Kraemer IBM Consulting IT Specialist / Client Technical Architect Am Weiher 24, 65451 Kelsterbach mailto:kraemerf at de.ibm.com voice: +49-(0)171-3043699 / +4970342741078 IBM Germany -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://gpfsug.org/pipermail/gpfsug-discuss_gpfsug.org/attachments/20171221/31aeae52/attachment.html>