featuring Layer 3 Gateway Capabilities For Routing Between Virtualized And Bare-metal Servers, The Qfx5120 Is Designed For Extremely Agile Data Centers That Require Support For Overlay/underlay Network Architectures. Native 25gbe With 100gbe Uplink Ports On The Qfx5120-48y, Combined With 32 Ports Of 100gbe On The Qfx5120-32c, Make The Qfx5120 Family Ideal For Leaf-and-spine Network Deployments.the High-performance Juniper Networks® Qfx5120 Switch Fits The Bill, Providing The Foundation For Dynamic Data Centers. Native 25gbe Ports On The Qfx5120-48y Satisfy The Growing Demand For Server Access Speeds, While High-density 100gbe Ports On The Qfx5120-32c Satisfy The Need For Compact, Lower Power Devices In The Spine. The Qfx5120 Is Packed With Software Features That Support Traditional Fabric Designs With Multichassis Link Aggregation (mc-lag) Or Evolving Sdn Architectures With Ethernet Vpn (evpn)/virtual Extensible Lan (vxlan) On Ip Fabric Underlays.architecture And Key Componentsthe Qfx5120 Includes Native 25gbe (fiber Only) And 100gbe Fixed-configuration Options With Rich L2, L3, Evpn, And Mpls Features. The Qfx5120 Runs The Same Reliable, High Performance Juniper Networks Junos® Operating System Used By All Juniper Networks Qfx Series And Ex Series Ethernet Switches, Srx Series Services Gateways, And Juniper Networks Routers, Ensuring A Consistent Control Plane Feature Implementation And User Experience Across The Entire Juniper Infrastructure.product Optionsthe Qfx5120 Switch Family Includes Two Compact, 1 U Platforms That Provide Wire-speed Packet Performance, Very Low Latency, And A Rich Set Of Junos Os Features. The Qfx5120-48y Is A 25gbe/100gbe Data Center Access Switch Offering 48 Small Form-factor Pluggable Plus (sfp+) Transceiver Ports And Eight Quad Sfp (qsfp28) Ports That Can Be Configured As 8x40gbe Or 8x100gbe Ports, With An Aggregate Throughput Of 4 Tbps Or 2 Bpps Per Switch. For Added Flexibility, Each Qsfp28 Port Can Also Be Configured As 4x25gbe Ports Using Breakout Cables, While Each Qsfp+ Port Can Be Configured As 4x10gbe Ports Using Breakout Cables, Increasing The Number Of Supported 25gbe And 10gbe Ports Per Switch To 80. The Qfx5120-32c Is A Compact 100gbe Data Center Spine Switch Offering 32 Qsfp28 Or 32 Quad Sfp+ (qsfp+) Ports. The 100gbe Ports Can Also Be Configured As 4x25gbe Ports Using Breakout Cables, Enabling The Qfx5120-32c To Be Used As A High-density 25gbe Top-of-rack Switch. In Addition To A High-throughput Packet Forwarding Engine (pfe), The Performance Of The Qfx5120 Control Plane Is Enhanced By A Powerful 2.2 Ghz Quad-core Intel Cpu With 16 Gb Of Memory And 64 Gb Ssd Storage.