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SLX Switches

SLX 9240

Programmable, Flexible, High-Density Switch

Product Highlights

  • Delivers agility at all layers of the data center stack
  • Provides high-density 100/40 GbE spine and leaf connectivity in a 1U fixed form factor
  • Includes a programmable ASIC to accelerate adoption of new protocols and technologies
  • Utilizes the Integrated Application Hosting Architecture and Extreme SLX Visibility Services for flexible, real-time monitoring of virtualized,dynamic workloads to streamline troubleshooting
  • Provides payload timestamping to more accurately set and measure performance SLAs
  • Incorporates turnkey and customizable automation for the entire network lifecycle

As data centers and cloud service providers embrace new high- performance servers and distributed applications, they increasingly need dense 100/40 GbE switches for leaf and spine configurations. Traditionally, infrastructure has been slow to evolve, and it can be a barrier to innovation. With flexibility at all layers of the data center stack, IT teams can drive agility. The ExtremeSwitching SLX 9240 Switch is designed to help organizations stay ahead of this application- and data-driven network transformation without compromising performance.

The SLX 9240 delivers the high-density 100 GbE connectivity required by high-end enterprise and cloud data centers. The underlying hardware is programmable, enabling a faster transition to emerging protocols and new technologies. Workload visibility combined with end-to-end network visibility helps infrastructure teams continue to improve SLAs as they increase network virtualization.

The SLX 9240 is a fixed 100/40 GbE leaf and spine switch in a 1U form factor that supports 24 MB of dynamically shared packet buffer and an overall throughput of 3.2 Tbps/1.3 Bpps. It can be configured as a leaf switch or connect to 40 or 100 GbE uplinks from leaf switches.

By leveraging this high-density switch, data center networks can dramatically improve power, space, and cooling efficiencies, even at scale. A programmable ASIC enables the adoption of new protocols and technologies through an OS, rather than a forklift upgrade. Payload timestamping improves the accuracy of performance SLA setting and measurement.


The SLX 9240 runs Extreme SLX-OS, a fully virtualized Linux-based operating system that delivers process level resiliency and fault isolation. SLX-OS supports advanced switching features and is highly programmable with support for REST API with the YANG data model, Python, and NETCONF — enabling full lifecycle automation.

In addition, SLX-OS supports running third-party and customized monitoring, troubleshooting, and analytics applications.

Network traffic growth in carrier networks is driving scalability and management challenges that service providers must urgently address. Wire-speed visibility into these networks is critical to enable effective control of this traffic as it scales. Part of a broad portfolio of network visibility solutions, the SLX 9240 can be deployed as a Network Packet Broker. From the aggregation layer of the network, SLX 9240 curates traffic and steers replicated flows to relevant analytics platforms to provide (for instance) DDoS mitigation, congestion management, differentiated treatment of voice and video, and billing. The SLX 9240 offers 100 GbE (32), 40 GbE (32), 25 GbE (128), and10 GbE (128) interface capacities.

For more information on the full portfolio of Extreme Networks Packet Broker solutions, visit

As network complexity increases, isolated data points at the physical or virtual network layer provide little insight into the criticality of an issue. For example, bursty storage backup traffic slowing down an internal Web site is a lower priority than a slowdown for a revenue-generating application. Network administrators need workload context across the network to ensure the appropriate action is taken in each case.

SLX Visibility Services help simplify network operations with embedded visibility from the physical network to application workloads. By combining physical and virtual network traffic data with overlay and workload information across multiple network layers, this solution enables diverse, rule-based actions to maintain performance and mitigate risk. Other key functions include:

  • Pervasive visibility at scale across the network for seamless support of highly distributed multitier application workloads
  • Rich multilayer classification (such as IP and MAC addresses, port numbers, VNIs) and workload matching with network-wide scale
  • Automated application of rule-based actions (such as count, drop, mirror) to incoming network traffic