Juniper QFX5220-128C - 128 × 100GbE QSFP28 Ports, 4 × 400GbE QSFP-DD Uplinks, Spine/Leaf Data Centre Switch, 4U

Juniper QFX5220-128C is a high-density data centre switch designed to meet the demands of cloud, service provider, and enterprise-scale networks. Featuring 128 × 100GbE QSFP28 ports with 4 × 400GbE QSFP-DD uplinks, it delivers exceptional throughput and scalability for modern leaf, spine, and super-spine architectures. With a switching capacity of 25.6 Tbps, the QFX5220-128C ensures high-performance networking for demanding workloads, including AI/ML clusters, cloud-native applications, and large-scale enterprise fabrics.

Built on the robust Junos OS, the QFX5220-128C combines programmability, automation, and real-time telemetry to simplify network operations and improve agility. The system supports EVPN-VXLAN overlays, MPLS, and segment routing for advanced multi-tenant environments. With its redundant power supplies, hot-swappable fans, and flexible airflow options, the QFX5220-128C delivers enterprise-grade resiliency and energy-efficient performance in a 4U form factor.

KEY FEATURES:

• Total Ports: 128 × 100GbE QSFP28 ports and 4 × 400GbE QSFP-DD uplinks.
• Port Flexibility: QSFP28 ports support breakout into 4 × 25GbE or 2 × 50GbE, and QSFP-DD uplinks can break into multiple 100GbE connections.
• Switching Capacity: Up to 25.6 Tbps (bidirectional)
• Forwarding Rate: 8 billion packets per second (Bpps)
• CPU: Intel Xeon quad-core 2.2 GHz processor 
• System Memory: Up to 32 GB DDR4 
• Onboard Storage: 120 GB SSD 
• Packet Buffer: 64 MB dynamic shared packet buffer 
• MAC Address Table: Up to 8,192 entries
• VLAN Support: Up to 4,096 VLANs
• Jumbo Frames: Supports frames up to 9,216 bytes for 
• Latency: As low as 800 ns
• High Availability: Redundant hot-swappable AC/DC power supplies and fan trays.
• Airflow Options: Front-to-back (AFO) and back-to-front (AFI) airflow.
• Advanced Features: EVPN-VXLAN, MPLS, Segment Routing, MACsec AES-256 encryption, automation and real-time telemetry.

TECHNICAL SPECIFICATIONS:

HARDWARE:

PERFORMANCE:

SECURITY:

MANAGEMENT:

PHYSICAL AND ENVIRONMENTAL:

ADVANCED FEATURES:

EVPN-VXLAN for Flexible Multi-Tenant Networking:

The QFX5220-128C supports Ethernet VPN (EVPN) with Virtual Extensible LAN (VXLAN) overlays, enabling highly scalable Layer 2 and Layer 3 connectivity across data centre fabrics. This allows seamless workload mobility, network segmentation, and efficient traffic engineering for cloud-native applications and multi-tenant environments. The integration of EVPN-VXLAN simplifies network operations while ensuring consistency across geographically distributed data centres.

Advanced MPLS and Segment Routing:

Integrated Multiprotocol Label Switching (MPLS) and Segment Routing (SR-MPLS and SRv6) empower the switch with advanced traffic engineering capabilities. These features provide deterministic path control, efficient load balancing, and optimised utilisation of network resources. This makes the QFX5220-128C particularly well-suited for service providers and large-scale enterprises deploying high-capacity backbones.

High-Performance MACsec AES-256 Encryption:

The QFX5220-128C includes hardware-based line-rate Media Access Control Security (MACsec) with AES-256 encryption, ensuring secure data in transit. This feature is critical for industries such as finance, healthcare, and government, where data confidentiality and regulatory compliance are paramount. By enabling MACsec at the port level, the switch ensures minimal latency overhead while providing end-to-end encryption.

Resiliency and Nonstop Operations:

Designed for continuous availability, the QFX5220-128C provides dual hot-swappable AC or DC power supplies, redundant fan trays, and advanced features like In-Service Software Upgrades (ISSU) and Nonstop Routing (NSR). These capabilities allow for uninterrupted service during upgrades or unexpected hardware events, reducing downtime and ensuring network stability in mission-critical environments.

Comprehensive Automation and Programmability:

With full support for Junos OS APIs, Python scripting, NETCONF, RESTCONF, Ansible, and Puppet, the QFX5220-128C enables deep automation and programmability. Zero-Touch Provisioning (ZTP) further simplifies deployment by automatically configuring new switches upon installation. Advanced event scripting and automation rollback capabilities minimise operational errors while improving efficiency.

Real-Time Telemetry and Analytics:

The switch supports modern streaming telemetry protocols such as gRPC, gNMI, and OpenConfig, delivering real-time visibility into network health and performance. By providing high-frequency, detailed operational data, the QFX5220-128C empowers proactive monitoring, anomaly detection, and predictive analysis. This is essential for performance-sensitive workloads such as AI/ML clusters and low-latency trading systems.

Precision Timing Support:

With IEEE 1588 Precision Time Protocol (PTP) and Synchronous Ethernet (SyncE), the QFX5220-128C delivers nanosecond-level clock synchronisation across the network. This ensures accurate timing for 5G deployments, financial trading applications, and industrial systems requiring precision time distribution.

Cloud-Optimised Leaf-Spine Scalability:

Engineered for high-performance fabrics, the QFX5220-128C seamlessly integrates into leaf, spine, and super-spine topologies. Its 128 × 100GbE ports and 4 × 400GbE uplinks provide scalable bandwidth for east-west and north-south traffic, making it ideal for AI, cloud, and high-density enterprise environments.

Security and Platform Integrity:

Secure Boot, cryptographically signed images, and role-based access control (RBAC) protect the system against unauthorised software and malicious access. Additional security features include ACLs, RADIUS, TACACS+, and LDAP integration, ensuring compliance with enterprise-grade security frameworks.

Energy Efficiency and Sustainability:

Using advanced ASIC design and 7nm process technology, the QFX5220-128C delivers exceptional performance with reduced power consumption. Flexible airflow options and efficient cooling further minimise operational costs while supporting green data centre initiatives.

ORDERING INFORMATION:

WARRANTY & SUPPORT:

Manufacturers are responsible for warranties, which are based on the purchase date and validity. We make sure the products we sell are delivered on time and in their original condition at Grabnpay. Whether it's physical damage or operational issues, our team will help you find a solution. We help you install, configure, and manage your devices. We'll help you file a warranty claim and guide you every step of the way.

All listed prices reflect standard market rates. Final commercial terms, including volume-based discounts, will be provided based on purchase volume, MOQ, and other applicable criteria. For more information about switches & other accessories, contact our technical support team.