1. Upgrade EXOS to a version that includes the change for xos0059131, and submit the below command to change the debounce timer to 150ms. If there are still stack link flaps move the debounce timer to 300.
configure stack-ports [<stacking-port-list>] debounce time [default | <milliseconds>]
configure stack-ports 2:2 debounce time 150
2. Confirm Debounce settings are changed.
show stack-ports debounce