No traffic passing through SFP

[onlinenw]

I can not get any traffic to pass in lab from WS-10-250-AC to a Cisco 3750 using CISCO GLC-SX-MM on both ends. Port shows up on Netonix side. Port shows nothing on Cisco side. I have tried 6 different SFPs and different models as well. All with the same results other than the Mikrotik one that is listed as not working (it doesn't do anything at all). I have tried FW rev 1.3.4, 1.3.6, and 1.3.7. The same exact thing happens testing from the Netonix to a Mikrotik 260GS too.


I thought this was strange in the log, because it is only a 10 port switch:
Dec 31 16:56:49 kernel: link state changed to 'up' on port 25
Dec 31 16:59:45 kernel: link state changed to 'down' on port 25
Dec 31 17:00:21 kernel: link state changed to 'up' on port 26

It shows this whenever I plug in the fiber to port 9 or 10 and it shows up in the interface.

Ideas?

[Mikea]

As long as i m aware the log issue isn't realy the cause since on all Netonix Switches SFP 1 is port 25 and SFP 2 is port 26.
As about SFP connection between Netonix and Cisco i can't realy assist except than check the same cable on other pair of devices and try a different on this one.

[mike99]

Have you try fixing data rate to 1G instead of auto ?

[onlinenw]

Have you try fixing data rate to 1G instead of auto ?

Thank you! Turning off auto-negotiation in either the Cisco or the Mikrotik works just fine. Don't know why I didn't think of that...