関連ワード:  how to clear cli in packet tracer    how to clear command line in packet tracer    how to reset cli in packet tracer    how to clear terminal in packet tracer    how to clear cli in cisco packet tracer    how to clear router cli in packet tracer    how to reset terminal in packet tracer    how to clear terminal in cisco packet tracer    how to reset terminal in cisco packet tracer    clear command prompt cisco packet tracer