Extreme Network 5520 Universal Switch 24-Ports 10GBASE-X SFP+ Layer 3 Rack-mountable Managed Network Switch with 2-Ports QSFP28 – 5520-24X

Extreme Networks 5520-24X 24-Port 10GbE SFP+ Layer 3 Managed Switch with 2x QSFP28 — 5520-24X

The Extreme Networks 5520-24X is a 24-port 10GBASE-X SFP+ Layer 3 managed switch with 2x QSFP28 (100GbE) uplinks in a rack-mountable form factor. Part of the 5520 Universal Switch series, it delivers enterprise-grade Layer 3 switching with ExtremeXOS for demanding campus core and data center aggregation deployments.

Key Features

• 24x 10GBASE-X SFP+ ports for high-density 10GbE connectivity
• 2x QSFP28 (100GbE) uplinks for high-bandwidth spine connectivity
• Layer 3 managed — full routing, VLAN, QoS, and multicast support
• ExtremeXOS — feature-rich, programmable network OS
• Rack-mountable 1U form factor
• Universal Switch — supports stacking and flexible deployment

Product Specifications

• Part Number: 5520-24X
• Manufacturer: Extreme Networks
• OEM Status: Retail
• Model: 5520-24X
• SFP+ Ports: 24x 10GBASE-X
• Uplink Ports: 2x QSFP28 (100GbE)
• Switching Layer: Layer 3
• Management: ExtremeXOS
• Form Factor: 1U Rack-mountable

Switch & Port Specifications

• Switching Capacity: Up to 680 Gbps
• Forwarding Rate: Up to 500 Mpps
• MAC Address Table: 128K
• Jumbo Frame: Up to 9,216 bytes

Network & Protocol Specifications

• Routing: Static, RIP, OSPF, BGP, IS-IS
• VLANs: 802.1Q, up to 4,094
• QoS: 802.1p, DSCP, 8 queues per port
• Multicast: PIM-SM, PIM-DM, IGMP v1/v2/v3
• Stacking: Supported via SummitStack

Use Cases

• Campus core and distribution layer 10GbE switching
• Data center aggregation with 100GbE uplinks
• High-density 10GbE server connectivity
• Enterprise Layer 3 routing and switching deployments

Compatibility

• 10GBASE-X SFP+ optical transceivers and DAC/AOC cables
• QSFP28 100GbE optical transceivers and DAC cables for uplinks
• ExtremeXOS management and automation ecosystem

Frequently Asked Questions

Does this support stacking?

Yes — the 5520-24X supports SummitStack for switch stacking, enabling multiple units to be managed as a single logical switch.

What routing protocols does ExtremeXOS support?

ExtremeXOS supports static routing, RIP, OSPF, BGP, and IS-IS — providing full enterprise Layer 3 routing capability.

The Extreme Networks 5520-24X delivers 24-port 10GbE SFP+ Layer 3 switching with 2x 100GbE QSFP28 uplinks and ExtremeXOS — a high-performance, feature-rich switch for campus core and data center aggregation deployments.