File System Usage | 548
Chassis Viewer | 548
Chassis Status LEDs on EX4300 Switches | 564
Network Port, Built-In QSFP+ Port, Uplink Port, and Uplink Module Port LEDs on EX4300
Switches | 566
Management Port LEDs on EX4300 Switches | 573
AC Power Supply LEDs in EX4300 Switches | 575
DC Power Supply LEDs in EX4300 Switches | 576
Troubleshooting
Restoring Junos OS | 579
Creating an Emergency Boot Device for QFX Series Switches | 579
Performing a Recovery Installation | 581
Recovering the Installation Using an Emergency Boot Device | 584
Returning Hardware | 586
Locating the Serial Number on a QFX5110 Device or Component | 586
Listing the Chassis and Component Details Using the CLI | 587
Locating the Chassis Serial Number ID Label on a QFX5110 | 588
Locating the Serial Number ID Labels on FRU Components | 588
Locating the Serial Number on a QFX5100 Device or Component | 590
Listing the Chassis and Component Details Using the CLI | 590
Locating the Chassis Serial Number ID Label on a QFX5100 Switch | 591
Locating the Serial Number ID Labels on FRU Components | 593
Locating the Serial Number on a QFX3600 or QFX3600-I Device or Component | 593
Listing the Chassis and Component Details Using the CLI | 594
Locating the Chassis Serial Number ID Label on a QFX3600 or QFX3600-I Device | 595
Locating the Serial Number ID Labels on FRU Components | 595
Locating the Serial Number on a QFX3500 Device or Component | 596
Listing the Chassis and Component Details Using the CLI | 596
Locating the Chassis Serial Number ID Label on a QFX3500 Device | 597
Locating the Serial Number ID Labels on FRU Components | 597
Locating the Serial Number on an EX4300 Switch or Component | 598
Listing the Switch and Components Details with the CLI | 598
Locating the Chassis Serial Number ID Label on an EX4300 Switch | 600
xvi