Juniper QFX5K-FPC-4CD Line Card – High-Performance Switching Module

What It Is

The Juniper QFX5K-FPC-4CD is a line/interface card (FPC) designed for the Juniper QFX5000 chassis-based switch series. It is a high-performance, low-latency line card built on a dedicated ASIC, intended for deployment in data center leaf and top-of-rack switching environments running Junos OS.

Technical Details

• Product Type: Line/interface card (FPC)
• Platform: Juniper QFX5000 series leaf/top-of-rack data center switches
• Chipset: High-performance, low-latency ASIC
• Operating System: Junos OS
• Interface Support: 10/25/100G server connectivity
• Virtualization Features: VXLAN and EVPN support for network virtualization and segmentation
• Form Factor: Hot-swappable module for installation in a free chassis slot

Configuration & Options

• Compatible with Juniper QFX5000 series switch chassis
• Installs into an available line card slot; supports hot-swap replacement
• Requires Junos OS licensing for activation of advanced feature sets
• Designed for scalable data center architectures with high port density
• Suitable for building top-of-rack or leaf switches in an IP fabric deployment

Operating Conditions

The card is deployed in enterprise data center IP fabrics, functioning as a line card within QFX5000 chassis to provide high-density server access. It operates in top-of-rack or leaf positions, supporting 10/25/100G connections and enabling VXLAN/EVPN-based segmentation. The low-latency ASIC ensures efficient traffic processing in demanding, high-throughput environments.