Displays the presence, current status, RPM, and last failure of the fans in each fan tray. Fan status is displayed as A/B, where A is the number of good, running fans and B is the total number of fans on the firewall. Virtual firewalls display N/A. Displays the presence, current status, and last failure timestamps. Power supply status is displayed as A/B, where A is the number of good, running power supplies and B is the total number of power supplies on the device. Virtual firewalls display N/A. Total number of ports in use on the firewall. Ports are displayed as A/B, where A is the number of good, running ports and B is the total number of ports on the device.