PCIe adapters supporting long distance 10GB fiber?

Jörg Kost jk at ip-clear.de
Tue Jun 20 15:31:24 CST 2017

Nowadays its just an ixgbe-parameter:

parm:           allow_unsupported_sfp:Allow unsupported and untested 
SFP+ modules on 82599-based adapters (uint)


On 20 Jun 2017, at 17:26, Jim Shankland wrote:
> The last I looked -- and it's been a few years, so it might no longer 
> be true -- the check for this was in the driver software, which is 
> open-sourced. The check was even guarded by an ifdef so that it was 
> easily disabled. If you disabled the check, you got a hyperventilating 
> syslog warning saying you were taking your life into your hands by 
> using unapproved equipment. That warning could then be ignored while 
> it receded into rotated and, eventually, expunged log history.
> As I said, that was a few years ago, so would need to be reconfirmed.
> Jim

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