Using RC6 and RC12 the SFP+ with an S+RJ10 module I get a huge packet loss to the rest of the network. I have a server connected via an SFP+ DAC cable at 10g without issues, so, for me, it seems to affect any speed with the 10GBase-T SFP+, did not test 10G or 5G, because of the lack of 10G NIC's for...

I'm using Mikrotik's BaseT 10G SFP+, and I don't have packet drop issues on other versions.
I remember having DHCP issues on the same client but thought that was the packet drop that was causing it...

which SwOS version you have? in the out of box version I had lots of issues with vlans and dhcp, the switch seemed to ignore any vlan config and strip the tag on each frame received. try to upgrade it to at least the 2.13rc5 on this thread: https://forum.mikrotik.com/viewtopic.php?f=17&t=167891 ...

A new testing version 2.13rc12 is available - the VLAN and management connection through SFP+ ports are fixed. Please try upgrading your devices and share your feedback. Below are versions for CSS610-8G-2S+ https://box.mikrotik.com/f/0a98c88515a64596be3d/?dl=1 for CSS610-1Gi-7R-2S+ https://box.mikr...

OMG, yea seriously!! Im LIVID I got this switch with a specific project in mind and cannot believe this has been released without even the most basic VLAN functionality. Ive spent hours questioning my skills and sanity. Now I have to rethink this whole thing and try to come up with some BS explaina...

Hello All, like a few other users here I was surprised how bad the CSS610-8G-2S+ is (at least for now). Yesterday I got mine and went straight to installing it, in order to start using the 10g uplink to my server. After a few hours of troubleshooting why I couldn't get DHCP on any device connected t...