System Software
QFX Series devices use the Junos operating system (OS), which provides Layer 2 and
Layer 3 switching, routing, and security services. Junos OS is installed on a QFX5100
switch’s 32-gigabyte (GB) internal solid state flash drive. The same Junos OS code base
that runs on QFX5100 switches also runs on all Juniper Networks EX Series switches, M
Series, MX Series, and T Series routers.
For more information about which features are supported on QFX Series devices, see
Feature Explorer.
You manage the switch using the Junos OS command-line interface (CLI), accessible
through the console and out-of-band management ports on the device.
Related
Documentation
QFX5100 Device Models on page 10•
• Virtual Chassis Fabric Hardware Documentation
• Virtual Chassis Fabric Overview
• Virtual Chassis Fabric Hardware Documentation
• Virtual Chassis Fabric Overview
QFX5100 Device Models
The QFX5100 switches have 24, 48, or 96 port configurations. The 24 port switches can
be expanded to a maximum of 32 QSFP+ ports using expansion modules. All switches
are available with either AC or DC power supply and with either airflow-in or airflow-out
cooling. In legacy switches, or switches with an LCD, this air flow is called front-to-back
and back-to-front.
Table 3 on page 10 lists the ordering numbers for QFX5100 switch product SKUs.
Table 3: QFX5100 Switch Product Numbers
Airflow
Number
of Mgt.
Ports
Power
Supply
Number of
Expansion
ModulesPortsP roduct Numbers
Air In
(FRUs-to-ports)
and Air Out
(ports-to-FRUs)
2ACSupports 3
expansion
modules and
has 2
expansion
module slots
24 QSFP+QFX5100-24Q-AA
Air In
(FRUs-to-ports)
2AC224 QSFP+QFX5100-24Q-AFI
Air In
(FRUs-to-ports)
3AC224 QSFP+QFX5100-24Q-3AFI
Copyright © 2016, Juniper Networks, Inc.10
QFX5100 Switch Hardware Guide
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