QFX5120 System Overview
IN THIS SECTION
QFX5120 Switches Hardware Overview | 21
QFX5120 Switch Models | 28
Identifying QFX5120 Switch Models | 30
Chassis Physical Specifications for QFX5120 Switches | 31
Field-Replaceable Units in QFX5120 Switches | 32
QFX5120 Switches Hardware Overview
IN THIS SECTION
Benefits of the QFX5120 Switch | 22
QFX5120 Hardware | 22
System Software | 27
QFX5120 Power System | 27
The QFX5120 switch delivers low latency, rich Layer 2 and Layer 3 features, and offer ideal data center
top-of-rack and aggregation switches for enterprise multicloud deployments. Featuring Layer 3 gateway
capabilities for routing between virtualized and bare-metal servers, the QFX5120 is designed for extremely
agile data centers that demand support for overlay and underlay network architectures. The QFX5120
includes native 25-Gigabit Ethernet (fiber only) and 100-Gigabit Ethernet fixed-configuration options with
rich L2, L3, Ethernet VPN (EVPN), and MPLS features. In addition to a high-throughput Packet Forwarding
Engine (PFE), the performance of the QFX5120 control plane is with a powerful 2.2 GHz quad-core Intel
CPU with 16 GB of memory and 64 GB SSD storage.
The QFX5120 line of switches includes two compact, 1-U platforms that provide wire-speed packet
performance, very low latency, and a rich set of Junos OS features. The native 25-GbE with 100-GbE
uplink ports on QFX5120-48Y, combined with 32 ports of 100-GbE on the 1-Unit QFX5120-32C, also
make the QFX5120 switch ideally suited for spine-and-leaf network deployments.
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