@Vincent-TP Let me follow up. I received the replacement on Friday. I reboot the existing device and it operated for less than an hour before falling into the bad state: SFP+ ports not responding and...

@Vincent-TP Quick Question: how long does it typically take to get through an RMA process? I see that the RMA request that I opened a week ago tomorrow still has not progressed. Is there more I...

Thanks for the reply. One of the times it failed, I did that very thing, reducing to a single DAC link and it failed again the next day.

@Vincent-TP Currently, it appears that the switch’s network itself is unaffected; the issue is only with the communication between the controller. That's what I am seeing as well: all of the RJ45...

@Vincent-TP While I wait for the RMA process, is there any way to troubleshoot this? The switch is connected and switching, but unresponsive. If I reboot it, it will be fine, for a while.

@Vincent-TP I requested RMA on the SG3210XHP-M2. It is the only device that needs to be reset and the only device not responding to the controller, despite still switching.