Steps for reset the interface Gix/x of switch.
1. Telnet into switch using putty or cmd.
2. Enter username and password
3. Then type enable and enter
4. Insert password If prompt again
5. Type show interface gigabitethernet x/x and enter
6. Check for the first line of the above command output, the statement line protocol . If its stated the line protocol is down, go to the next step. If the line protocol is up, you may exit the telnet by enter command exit .
7. Type config terminal and enter
8. Type interface gigabitethernet x/x and enter
9. Type shutdown and enter
10. Then type exit
11. Enter the interface again by typing interface gigabitethernet x/x
12. Then type no shutdown
13. Exit the interface.
14. To verify that the port is reset and up, Exit the config and type show interface gigabitethernet x/x and check for the line protocol, if you follow this steps the line protocol should be up.
