Data centers are rapidly adopting cloud services, whether completely off-premise models or hybrid models with critical services offered through on-premise private clouds. The tremendous growth of off-premise cloud services, coupled with the widespread adoption of overlay technologies, has created a need for highly agile switching platforms that can satisfy the demands of these evolving data centers.

The high-performance Juniper Networks® QFX5110 line of Ethernet switches fit the bill, providing the foundation for dynamic data centers. As a critical enabler for IT transformation, the data center network supports cloud and SDN adoption, network virtualization, integrated/scale-out storage, and the rapid deployment and delivery of mission-critical applications that significantly increase east-west traffic within the data center. Furthermore, increasing demand for 100GbE spine ports is driving the need for 100GbE uplinks for all server access speeds, including 10GbE and 40GbE. The QFX5110 includes 100GbE uplinks, enabling it to support a diverse set of switching architectures, including fabric, Layer 3, and spine-and-leaf deployments, enabling users to easily adapt as requirements change over time.

Architecture and Key Components

The QFX5110 switches include 10GbE (fiber) and 40GbE or 100GbE fixed-configuration options with rich Layer 2, Layer 3, and MPLS features. The QFX5110 switches run the same reliable, high-performance Juniper Networks Junos® operating system that is used by the Juniper Networks QFX5100 family of products, EX Series Ethernet Switches, Juniper Networks routers, and Juniper Networks SRX Series Services Gateways, ensuring a consistent implementation and operation of control plane features across the entire Juniper infrastructure.

QFX5110 Switch Models

The QFX5110 switches are compact, 1 U platforms that provide wire-speed packet performance, very low latency, and a rich set of Junos OS features. In addition to a highthroughput Packet Forwarding Engine (PFE), the performance of the QFX5110 control plane is further enhanced with a powerful 1.8 GHz quad-core Intel CPU with 16 GB of memory and 64 GB SSD storage.

Two QFX5110 switch models are available:

• QFX5110-48S-A 10GbE/100GbE data center access switch, the QFX5110-48S offers 48 small form-factor pluggable plus (SFP+) transceiver ports and four QSFP28 ports that can be configured as 4x40GbE or 4x100GbE ports, with an aggregate throughput of 1.76 Tbps or 1.32 Bpps per switch. For added flexibility, each QSFP28 port can also be configured as 4x10GbE ports using breakout cables, increasing the total number of supported 10GbE ports to 64 per switch.

• QFX5110-32Q-A 40GbE/100GbE data center access and aggregation switch, the QFX5110-32Q offers up to 32 QSFP+ ports, or 20 QSFP+ ports and four QSFP28 ports, with an aggregate throughput of 2.56 Tbps or 1.44 Bpps per switch. For added flexibility, the QSFP+ ports can also be configured as 4x10GbE ports using QSFP+-to-SFP+ direct attach copper (DAC) or QSFP+-to-SFP+ fiber breakout cables and optics, or as 24 4x10GbE and eight QSFP+ ports, increasing the total number of supported 10GbE ports to 96 per switch.

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