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:
- [WayBack]: Supported Hardware: SFP+ modules – MikroTik Wiki tells this:
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Brand Model Distance Rate Connector/Cable type Wavelength Tested with Works / Doesn’t MikroTik S+DA0003 3M 10G Twinax Copper — All MikroTik products with SFP/SFP+ interfaces Natively supported
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- SplusDA0003: This is highly cost-effective way to connect two SFP/SFP+ devices (for example two units of CCR1036-8G-2S+) for very short distances…[WayBack] RouterBoard.com : SFP+ 3m direct attach cable
As usually, a long search in the forums reveals the background information:
[WayBack] SFP 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:
- Use a plain SFP only or combined SFP/SFP+ port (an SFP+ only port will not work)
- Note that most devices do not clearly mark on their outside which port supports what kind of speeds, so here is a small list (none of the documentation comes from text only searches on mikrotik.com or routerboard.com):
Brand Model Left fiber port name Right fiber port name Left fiber port compatibility Right fiber port compatibility Documented at Pictures MikroTik CCR1009 sfp-sfpplus1sfp1SFP/SFP+ SFP only Sort of documented: CCR1009-8G-1S-1SplusPC-151223131816.pdf
CCR1009-8G-1S-1SplusPC-150202094150.pdf
1x SFP cage, 1x SFP+ cage, DDMI support
Desktop
MikroTik CCR226 sfp-sfpplus1sfpplus2SFP/SFP+ SFP+ only CRS226_24G_2S_IN-140319094424.pdf CRS226-24G-2SplusRM-140617162338.pdf
Two 10G Ethernet SFP+ cages (Mini-GBIC; SFP module not included), DDMI support.
First port supports 1.25G/10G modules, second port only 10G modules.
Desktop
Rackmount
- Note that most devices do not clearly mark on their outside which port supports what kind of speeds, so here is a small list (none of the documentation comes from text only searches on mikrotik.com or routerboard.com):
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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 [WayBack] SFP module on SFP+ port on CCR1009 does not work – MikroTik RouterOS
–jeroen
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