I recently upgraded the IOS of a Cisco Catalyst 3650 to Fuji-16.9.4. Ever since the upgrade, the vlan keeps going up and down. This is a display of the log:*Dec 24 02:33:44.463: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/1/2, ch...

Hope someone can assist. Am having an issue with our 3650 connection. Have already replaced the SFP and still having connection issues. Am getting reliability of either 241/255 or 245/255. Am thinking it is possibly the fiber. Below is the result of ...