Extreme Networks 8720-32C Ethernet Switch

The Extreme Networks 8720-32C Ethernet Switch is a high-density, high-performance 100 Gigabit Ethernet solution engineered for data centers, campus cores, and service provider networks that demand scalable, resilient, and future-proof infrastructure. Built to handle heavy traffic with minimal latency, the 8720-32C delivers a robust foundation for cloud workloads, virtualization, big data analytics, and AI-driven applications. This switch is designed to simplify growth by providing powerful Layer 2 capabilities, modular expandability, and reliable fiber-based connectivity, all in a compact, rack-mountable form factor. With a built-in power supply and a focus on energy efficiency, it helps operators optimize total cost of ownership while maintaining peak performance under demanding workloads. Whether you are consolidating core fabrics, expanding north-south uplinks, or delivering high-speed interconnects across the data center, the 8720-32C is engineered to keep traffic moving at scale without compromising security or reliability.

• Ultra-dense 100G connectivity: 32 high-speed 100GBASE-X ports (QSFP28) provide massive uplink and spine connectivity, enabling scalable fabrics and rapid data movement across tiered networks with low latency and predictable performance.
• Layer 2 switching with enterprise-grade features: Comprehensive Layer 2 capabilities including VLAN segmentation, spanning tree options (STP/RSTP/MSTP), link aggregation (LACP), QoS, and storm control to ensure stable, loop-free networks that meet modern campus and data center requirements.
• Modular design with dependable power: A modular chassis approach supports future expansion and hot-swappable components, paired with a built-in 393 W power supply to sustain critical network operations without interruptions.
• Optical fiber superiority for long-reach links: Pure fiber 100GBASE-X interfaces deliver high-bandwidth, long-distance connections with low attenuation, making it ideal for data centers, inter-data center links, and service-provider backbones.
• Rack-mountable and energy-efficient: A standard 19-inch rack footprint combined with an emphasis on energy efficiency helps you maximize space and minimize operating costs while delivering peak performance on demand.

Technical Details of Extreme Networks 8720-32C Ethernet Switch

• Model: 8720-32C
• Port configuration: 32 x 100GBASE-X QSFP28 interfaces for high-density 100G connectivity
• Forwarding performance: Non-blocking, line-rate forwarding to ensure consistent throughput under heavy load
• Switching capacity: Approximately 3.2 Tbps of aggregate fabric capacity to support large-scale traffic patterns
• Forwarding rate: High PPS (packets per second) performance suitable for latency-sensitive applications
• Power consumption: 393 W at typical operating conditions
• Power supply: Built-in/embedded power supply for reliable operation with simplified cabling
• Layer support: Layer 2 switching with rich feature set for campus and data center deployments
• Form factor: Modular, rack-mountable chassis designed for standard 19-inch racks
• Optical media: Fibre-based 100GBASE-X interfaces optimized for high-bandwidth, low-loss links

How to Install Extreme Networks 8720-32C

• Step 1: Plan your rack layout and ensure you have a compatible 19-inch rack with adequate cooling. Verify power availability and cable management options before installation.
• Step 2: Unpack the 8720-32C unit and inspect for any transit damage. Confirm that you have the correct rack-mount ears, cables, and, if applicable, any modular blades or line cards.
• Step 3: Mount the switch securely in the rack using the supplied screws and stabilizing brackets. Ensure proper airflow by leaving space for front-to-back cooling and avoiding blocked vents.
• Step 4: Connect the power cable and establish a stable electrical connection. Power on the switch and monitor the boot sequence for any error indicators.
• Step 5: Establish initial management access via console or out-of-band management. Configure basic network parameters, including management IP, admin credentials, and secure access methods (SSH, SNMP, etc.).
• Step 6: Insert any modular components or additional line cards if your design requires expansion. Verify that modules are recognized and properly peered by the switch fabric.
• Step 7: Connect 100GBASE-X fiber links to the corresponding QSFP28 ports using appropriate OM3/OM4 fiber or single-mode cables as required by your topology. Use proper PCI/patching guidelines to minimize insertion loss.
• Step 8: Implement initial Layer 2 configurations: create VLANs, assign ports, configure trunking or LACP, and enable essential QoS policies to prioritize critical traffic.
• Step 9: Validate connectivity with ping and traceroute tests between endpoints, and monitor the switch’s telemetry and logs to confirm stability and performance.
• Step 10: Document the final topology, port assignments, and firmware versions. Establish a routine for firmware updates and security patches to maintain optimal operation.

Frequently Asked Questions

• Q: What is the primary use case for the Extreme Networks 8720-32C?
  A: It is designed for data centers and high-performance networks requiring dense 100G connectivity, scalable fabric growth, and robust Layer 2 switching with modular expandability.
• Q: How many 100G ports does the model have and what cable type does it require?
  A: It provides 32 x 100GBASE-X QSFP28 ports and uses optical fiber cables suitable for 100GBASE-X interfaces.
• Q: Is the switch suitable for Layer 3 routing or only Layer 2 switching?
  A: The 8720-32C is specified for Layer 2 switching in the provided details; deployments may require additional devices or modules for advanced L3 routing depending on the network design.
• Q: What is the power consumption and does it include a redundant power supply?
  A: The built-in power supply consumes approximately 393 W; there is support for modular components, but redundancy details would depend on the exact chassis configuration and any optional modules installed.
• Q: How does this switch support uptime and reliability in dense environments?
  A: The combination of a modular design, built-in power, and fiber-based 100G interfaces provides high reliability and scalable resilience suitable for demanding environments, with features designed to minimize downtime and simplify maintenance.