Tried to but the SFP-port led doesn't even turn on to indicate that something is in it.
See the pic.

Hi, Got a problem with my CCR1016-12S-1S+: After an upgrade of RouterOS, my router became inaccessible. It doesn't matter if I use a SFP Fiber or an S-RJ01. When I connected via serial it displays: loading kernel... kernel not found or data is corrupted Please, check ethernet cable One thing I notic...

I'm facing the very same Problem wir my CCR-1016.
Same fimware, same hadware, same module, ...
Is there any solution?

Hi,

I have contacted Mikrotik support, but i haven't got any reply yet and that is almost 2 weeks ago.

I suggest that you get in direct contact with support@mikrotik.com
When a router that has been reset to defaults still does not work, there must be something wrong.

I will do that.

thx for the help.

Probably it is best to reset the entire thing to defaults and then upgrade it and put the settings in one by one, or even netinstall it with reset to defaults. There must be something that is set in such a way that it crashes when upgrading, a known problem is/was the L2 MTU being too large (I thin...

Well you did not do what I recommended. MTU 1500 L2 MTU 1600. Try it. Sorry read it wrong. Trying it now. :) Nope, don't work. Something else I found was under IP/ DHCP Client after I upgraded: it replaced settings from Interface: sfp1 to Interface: sfpplus1 When I change it back/add/remove, it add...

Well you did not do what I recommended. MTU 1500 L2 MTU 1600. Try it.

Sorry read it wrong.

Trying it now.

Set mtu to 1500 in the old version, maybe l2mtu 1600 or so, then try the upgrade. After the upgrade you can try jumbo settings again if you wish. Don't work. I can't select eth1 it revert back to sfp1 when i press apply. What I can se now that "status" for SFP1 is slave. Can it be that I ...

Maybe incorrect value for mtu or l2mtu?
Did you try 6.35.1 as well?

I will check if the mtu or l2mtu value changes between 3.64.3 and anything above.

Yes, tried 6.35.1 even tried 6.36rc10

Hi, I have a CCR1016-12S-1S+ I have a problem after uppgrading to anything above 6.34.3 It won't let me connect via eth1 via a S-RJ01 When I setup my internet Connection under Quick Set Mode: Router Address Acquisition: doesn't matter what i select. Port: eth1, but when I select eth1 and press Apply...

Hi, I have CCR1016-12S-1S+ have a problem after uppgrading to 6.35 from 6.34.3. When I setup my internet Connection under Quick Set Mode: Router Port: eth1, but when I select eth1 and press Apply it change it to SFP1 I tried to reset config and tried to restore config, but nothing sems to work. I tr...