I'm running the hEX S with a SFP as well and have encountered this issue a few times myself as well. It simply occurs suddenly. Same symptoms: TX packet counters increasing/flowing, but zero RX. The PPPoE running over the sfp1 vlan 6 interface encounters a timeout. Only thing that helps is rebooting...

I have a new Samsung Smart TV and the internet setup wouldn't work. It was complaining about unstable internet connection, either wired or wireless. By changing the DNS server to something not-mikrotik (like 1.1.1.1) it immediately started working. I also have problems with MongoDB SRV records where...

Same here. I cannot import certificates anymore. And also I keep getting "unknown alg" when trying to connect with OpenVPN from OpenWRT to the MikroTik router.