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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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How to connect S+DA0003 using SFP between MikroTikCRS226 and MikroTikCCR1009

Posted by jpluimers on 2017/10/30

Mikrotik and SFP versus SFTP+ is always confusing especially as the text on their equipment and their documentation doesn’t show well which situations work.

Equipment text is further on, this is their text searchable documentation:

As usually, a long search in the forums reveals the background information:

[WayBackSFP in SFP+ slot – MikroTik RouterOS: 10Gb SFP+ sockets are usually backward compatible with SFP, but this is not guaranteed.

There are two tricks involved to get an SFP connection between these devices working:

  1. Use a plain SFP only or combined SFP/SFP+ port (an SFP+ only port will not work)
  2. Turn of

    Turn of “Auto negotioation” and switch manually to “1Gbps” and “Full duplex” to get SFP to work in a combined SFP/SFP+ port

    Set at least one site to [WayBackSFP module on SFP+ port on CCR1009 does not work – MikroTik RouterOS


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