List of Figures
Part 1 Overview
Chapter 1 QFX3000 QFabric Switch Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure 1: Legacy Data Center Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Figure 2: QFX Series QFabric System Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3: QFabric System Hardware Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 4: External Routing Engine Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 5: Clos Switching for Interconnect Devices . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 6: QFX3008-I Data Plane and Control Plane Connections . . . . . . . . . . . . . 16
Figure 7: QFX3500 Data Plane and Control Plane Connections . . . . . . . . . . . . . . . 18
Chapter 2 QFX3100 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 8: QFX3100 Director Device Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 9: QFX3100 Director Device Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 10: QFX3100 Director Device Front Panel View . . . . . . . . . . . . . . . . . . . . . . 26
Figure 11: QFX3100 Director Device Rear Panel View . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 12: Airflow Through the QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . 28
Figure 13: Network Module in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . 29
Figure 14: Fan Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 15: AC Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Chapter 3 QFX3008-I Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 16: QFX3008-I Interconnect Device Front . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 17: QFX3008-I Interconnect Device Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 18: Chassis Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 19: QFX3008-I Interconnect Device Front . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 20: Location of Bottom and Side Fan Trays . . . . . . . . . . . . . . . . . . . . . . . . . 45
Figure 21: Location of Top Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Figure 22: Airflow Through the Front Card Cage and Powerhouse . . . . . . . . . . . . . 47
Figure 23: Airflow Through the Rear Card Cage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure 24: 16-Port QSFP+ Front Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 25: Control Board in a QFXC08 Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Figure 26: Rear Card in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . 51
Figure 27: AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Figure 28: Single-Phase Wiring Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Figure 29: Three-Phase Wiring Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Chapter 4 QFX3500 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Figure 30: QFX3500 Device Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Figure 31: QFX3500 Device Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Figure 32: SFP+ Access Port Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Figure 33: QSFP+ Uplink Port Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
xiiiCopyright © 2012, Juniper Networks, Inc.
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