SLX 9540 Extreme Network Switches

100 GbE/40 GbE ports enabled per switch : N/A2
10 GbE/1 GbE combo ports enabled per switch : 242
1 GbE ports enabled per switch : 242
Port type : 10 GbE SFP+, 1 GbE SFP+
Packet buffers per switch : 6 GB
Route scale : 1,500,000 (IPv4), 140,000 (IPv6)
OptiScale™ Internet Routing : Yes
Jumbo frame (maximum size) : 9,216 bytes
QoS priority queues (per port) : 8
MPLS : With Extreme SLX-OS advanced feature license
OptiScale™ Internet Routing : With Extreme SLX-OS advanced feature license
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A Flexible, High-Performance Switching Platform

The SLX 9540 is the industry’s most powerful compact deep buffer data center switch, providing a cost-efficient solution that is purpose-built for the most demanding service provider and enterprise data centers and MAN/WAN applications.

Modular, Virtualized Operating System

The SLX 9540 runs SLX-OS, a fully virtualized Linux-based operating system that delivers process-level resiliency and fault isolation. SLX-OS supports advanced routing, MPLS, and Carrier Ethernet 2.0 features. It is highly programmable enabling full network lifecycle automation with Extreme Workflow Composer and turnkey automation suites.

Embedded Network Visibility

The SLX 9540 includes the Extreme SLX Insight Architecture delivered through SLX-OS and SLX 9540 hardware innovation. This new approach to network monitoring and troubleshooting provides a highly differentiated solution that makes it faster, easier, and more cost-effective to get the comprehensive, real-time visibility needed for network operations and automation.


  • Enables flexible edge connectivity
    by cost-effectively delivering density,
    features, and performance optimized
    for data center interconnect, WAN
    edge, IXP, and colocation data
    center deployments
  • Includes multiple configurations of
    dense 10 GbE and 100 GbE ports for
    diverse deployment options
  • Delivers up to 720 Mpps
    forwarding capacity and up to
    800 Gbps switch fabric capacity
    with an industry-leading
  • 6 GB of tunable, ultra-deep packet
    buffers in a 1U form factor
  • Provides carrier-class forwarding,
    including full IPv4/v6 switching,
    VXLAN overlay capabilities on a
    single platform


Extreme Networks


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