Hi guys,
About to deploy 2x CRS112 units to a client but during the prep phase I have single uplinked them and they are creating a loop, at least according to the log…
Very strange. They are only uploaded via a single cable as per the picture…
Your bridge is using the MAC address of your ether port.
Set an admin-mac of your ether interface (I always use ether1 for continuity) but increment the second character EG 00:AA: becomes 02:AA
Will get rid of the error for you.