no support on access switches (due to cost/amount of switches ~1,5k) so unfortunately unable to create a TAC. 

Hi!We have similar issue on 17.12.4 on at least 10 switches with same image at different locations. Came after image upgrade. Using same cables/sfp's and so on, as before upgrade.HW: 9200L 24/48 -PSW: 17.12.4 (upgraded from 17.9.4)SFP: Prooptix SFP-M...