nanog mailing list archives

Re: Equipment Supporting 2.5gbps and 5gbps


From: Bjørn Mork <bjorn () mork no>
Date: Sat, 30 Jan 2016 20:55:10 +0100

"Alex Hargrove" <ahargrove () cgresd net> writes:

I just purchased some empty Intel X520-DA2 cards and then picked up
the E10GSFPSR-compatible optics for them from Fiberstore.

Note that this requirement is implemented in the driver.  YMMV depending
on OS, but in Linux you can disable it with the usual warnings by
setting 'allow_unsupported_sfp=1' :

 bjorn@canardo:~$ modinfo -p ixgbe
 max_vfs:Maximum number of virtual functions to allocate per physical function - default is zero and maximum value is 
63. (Deprecated) (uint)
 allow_unsupported_sfp:Allow unsupported and untested SFP+ modules on 82599-based adapters (uint)
 debug:Debug level (0=none,...,16=all) (int)


Bjørn


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