Thanks for the info, I think that might have been it. I'm pretty sure the CRS was on Auto negotiate.

On 1/15/2018 3:21 PM, George Skorup wrote:
https://wiki.mikrotik.com/wiki/MikroTik_SFP_module_compatibility_table#SFP.2B_interface_compatibility_settings_with_1G_links

On 1/15/2018 2:42 PM, Adam Moffett wrote:
I've had CCR SFP+ ports not wanting to work with GigE SFP modules, but the same port works fine with 10G modules. I know on paper SFP+ is supposed to be backwards compatible, but I've had mixed results in real life.

You might have to get an SFP+ module and let it negotiate at 1G.



------ Original Message ------
From: "Jason McKemie" <[email protected] <mailto:[email protected]>>
To: "[email protected]" <[email protected] <mailto:[email protected]>>
Sent: 1/11/2018 6:56:39 PM
Subject: Re: [AFMUG] CCR1032 to CRS125 Fiber

I've had to set the CCR to 1Gbps FDX (not auto negotiate) in the past to get a link to come up. Worth a try if you haven't changed that setting as of yet.

On Thursday, January 11, 2018, Nate Burke <[email protected] <mailto:[email protected]>> wrote:

    I tried to move a Multimode 1g fiber that was running on a
    RB260GS to a CCR1032 8G-2S+.  I moved the mikrotik branded SFP
    from the 260 to the CCR, so I know the SFP is good.  The SFP was
    recognized, and the phy link was reporting up, but I had no RX
    traffic.  The remote end of the fiber is on a CRS125.  I tried
    to fiddle with all the interface settings I could on the CCR,
    but nothing worked.  I moved the SFP back to the 260, and the
    fiber is still passing traffic normally.  Any thoughts on
    Settings that were keeping traffic from moving.



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