Hello,
thanks for the info regarding 56Gb/s in a point to point connection.
Using a switch, the switch will auto detect the capability of the NIC and cables,
and switch to 56Gb/s if possible.This however requires an aextra software license
for 56Gb/s ethernet !
As for the SX6012F, I have only seen this type od switch once recently on ebay,
~ US $ 5000
A SX6036F used switch was offered on ebay or ~ US $ 3000, or best offer.
New ther is one for US $ 3600 on ebay.
Best regards
Yngve
Am 12. Februar 2015, hat nickh360is <community@mellanox.com> geschrieben:
Cable Options (MCX354A-FCBT-LOW P)
reply from Nick Hutton <http://jiveon.jivesoftware.com/wf/click?upn=SISGjuv5I-2F3Jihhq3YAdCCJgGNWEGFImIdtBzZpx2qKki8-2BK13kaSeAx7tBZ1Or4cGX0hW-2FBOGr52XebvX6wrUznx1WgRe5v1teG886tMms-3D_bVEektsQ-2BrI2SsgXI81cjQoLsd4uoLwKFzWdJPDDQUB-2FdwzGEkEFosEhxk4dFGlcZbCGFZUkNh04sApxe3Doxuze4O2xtB3R8q4mdqq-2FlEXAPCTGFI05v8-2BIq29oR9vrrJOihY-2F9JHkhg7d6ZzK4PYCEcotF58j8-2BWXjNuUtPpJuTnVdZc-2BZyKiH1dnlUZPVa9iyQ8OOuokDJTBDf9kVhw-3D-3D> in InfiniBand/VPI Adapter Cards - View the full discussion <http://jiveon.jivesoftware.com/wf/click?upn=SISGjuv5I-2F3Jihhq3YAdCCJgGNWEGFImIdtBzZpx2qL6Oba-2FdeNs1td-2FeXR-2Bsa7-2BjgPbmN8y7GQxMnpc8e7IHqCf86jNzrNhR-2BSst1v3tXg-3D_bVEektsQ-2BrI2SsgXI81cjQoLsd4uoLwKFzWdJPDDQUB-2FdwzGEkEFosEhxk4dFGlcq2TkcioXPF1NZDohYJBlb6Hx-2BNaHm3ulLnO0CzsXIulPQy5jXSpeA-2Bo4V6qqzXtXOZ4exxl4KqE4TfN62e2C-2B979wqc-2BAbTPUszCIuDfNqR4DzKJE8DWcf-2FaVP1YoP7HhDgFsBfGuCaUSviAuXeBhg-3D-3D>
Thanks for the advice.
I think it may be possible to get to 56Gbps without a switch with a small change to the device firmware files:
In the end I managed to find some well priced cables from a guy on Ebay:
http://www.mellanox.com/related-docs/prod_cables/DS_FDR_56Gbs_Passive_Copper_Cables.pdf<http://jiveon.jivesoftware.com/wf/click?upn=HfOCItYaMwp-2B5qJlU0kZ6laxtRDY-2FIIVLtdOMBPWaekxDD1EMTb1to2sxpWOpGpPOxIU-2F-2FmZQDeAoL75GEJJF-2BbRKiDPwIdjUc-2BVoswporjItwJ-2FBkMoDpZ68PLZtfYu_bVEektsQ-2BrI2SsgXI81cjQoLsd4uoLwKFzWdJPDDQUB-2FdwzGEkEFosEhxk4dFGlcZsM5ljp8tAoGJkAsAKJS9rhAVD0TNdyv70GApo95q7YMrKmZRvxpiUcSjZrAIwR3NDC3FQOdsk91oMNRM16f75apQXcYthp5x0JKnn6UG6pErOYT6tIBHiTWUF3NWaCrp1ZXXq5wp6PFVTi3MMbViA-3D-3D>
I only need to connect over short distances, so this is OK for me and gets me started with Infiniband.
As this is for a home lab, I will have to search hard for a reasonably priced switch!
http://www.mellanox.com/related-docs/prod_ib_switch_systems/SX6012.pdf<http://jiveon.jivesoftware.com/wf/click?upn=HfOCItYaMwp-2B5qJlU0kZ6laxtRDY-2FIIVLtdOMBPWaekxDD1EMTb1to2sxpWOpGpP9pqyBsdEgzoTu9w2LFKUEtztfGsHVka-2F-2BHIEAXTViko-3D_bVEektsQ-2BrI2SsgXI81cjQoLsd4uoLwKFzWdJPDDQUB-2FdwzGEkEFosEhxk4dFGlcJvhISfFVLMcIK3uY-2F8H-2BdbqvGGEb9Y2ifTAw0SVZDU2d8NyyptCOTaTgaXp3fMoBH7TSrssOMbdMJIL7KrAFgmbMrCgbI4sHwRgXNoTpZ2uuQx7jwCWk7fl95chOW-2BgMPEc3HEEF3QrJTWjJ9QHeYg-3D-3D>
Thanks again!
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