Indeed, good tip. So far I found that the module indeed does not like autonegotation. But what a mess this stuff is. Never had problems like this with Cisco or Juniper (but granted, not the same price). To a 1G NIC on auto, with S+RJ10, I NEED autonegotiate on both sides (nothing else works), and th...

Because I need jumbo frames on 10Gb-T, (and after disqualifying Mikrotik S+RJ10, since it does not support jumbo frames), I bought some fs.com FS 10G-T modules. I need this module in a CRS305. I tested this on the latest RouterOS: v6.44beta39. The module shows up, but refuses to create a link, be it...