switch:admin> sysshutdown This command will shutdown the operating systems on your switch. You are required to power-cycle the switch in order to restore operation. Are you sure you want to shutdown the switch [y/n]?y The system is going down for system halt NOW !!On a big industrial plant we've replaced an old HP switch with a brand new couple of C2960x switches in stack configuration and ever since then, every 6/8 hours or so, the two fiber optics links of switch #2 go down at once. It is a physical connection of a fiber optic cable to create a seamless connection between similar or dissimilar devices. This guide will help you safely and effectively remove a.