I'm experiencing high STP topology changes on a collasped core network with meraki ms-410-32 and ms390-48 switches, the major issue is that core switch is configure with priority 4094 (RSTP) and all the other switches have a increment of 4094 that are higher, we have 4 IDF that has a switch or a stack the MDF as the core switch and a stack of 3 switches (ms390's). The major is here is that we get topology changes for stp on the meraki dashboard for the core and uplinks for each stack this also cause an uplink to go offline and UDLD error is shown on the port in orange although it's set to alert only. need some assistance with determine the root cause of the issue.  Core switch: MS-410 Access:MS390'S ... View more