If the MLT using LACP (Dynamic), then there is no need of static add/remove of port members. Ports will be added to the MLT or SMLT based on the LACP key defined under MLT and port configuration. "show mlt" will show associated port members only when...
In CLI it asks for current password. Try alternate method using EDM.Login to switch using EDMSecurity -> Control Path -> General and the click CLI tab. Modify the ROPassword and click ApplyTest the new password via SSH session.
