53) can operate as uplink ports or four QSFP+ port (50 through 53) can operate at
native 40-Gigabit speed or as 4 independent 10-Gigabit port speeds. The 6 QSFP+
ports can be used as either access ports or as uplinks. The QFX5100-48S provides full
duplex throughput of 1.44 Tbps. The QFX5100-48S has a 1 U form factor and comes
standard with redundant fans and redundant power supplies. The switch can be ordered
with either ports-to-FRUs or FRUs-to-ports airflow and with AC or DC power supplies.
Figure 1: QFX5100-48S Port Panel
The QFX5100-48S can be used as:
•
A standalone switch.
•
A Node device in a QFabric system.
The QFX5100-48S is supported on both the QFX3000-G and QFX3000-M QFabric
systems.
•
A master, backup, or line card in a QFX Virtual Chassis.
A QFX Series Virtual Chassis allows youto interconnect up to 10 QFX3500, QFX3600,
or QFX5100 switches into one logical device and manage the device as a single
chassis using a ring topology.
•
A spine or leaf device in a Virtual Chassis Fabric (VCF).
VCF uses Virtual Chassis technology to interconnect multiple devices into a single
logical device and manage that device as a single logical device inside of a fabric
architecture. VCF architecture supports up to 20 total devices in a spine and leaf
topology. Out of the 20 total devices, you can configure a maximum of 4 spine
devices.
Whenever possible, configure the QFX5100-24Q as the spine device in a VCF. You
can use the QFX5100-48S as the spine in an all QFX5100-48S VCF or when EX4300
devices are used as leaf devices.
•
A satellite device in a Junos Fusion system.
Junos OS Release 14.2.3 or later is required for Junos Fusion.
•
QFX5100-48T
As shown in Figure 2 on page 5, the QFX5100-48T isa tri-speed 100/1000/10GBASE-T
top-of-rack switch with 48 10GBASE-T access ports and 6 QSFP+ ports. Each
40-Gigabit QSFP+ port (48 through 53) can operate either as uplink ports or four
QSFP+ ports (50 through 53) can operate at native 40-Gigabit port or be channelized
into 4 independent 10 Gigabit ports. The 6 QSFP+ ports can be used as either access
ports or as uplinks. The QFX5100-48T provides full duplex throughput of 720 Gbps.
The QFX5100-48T has a 1 U form factor and comes standard with redundant fans and
Copyright © 2016, Juniper Networks, Inc.4
QFX5100 Switch Hardware Guide
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