Description
3. Key Technical Specifications
- Ports: 48 x 1/10GbE SFP+
- Uplinks: 4 x 10/40/100GbE QSFP28
- Switching Capacity: 1.76 Tbps (non-blocking)
- Throughput: Up to 1.32 Bpps
- Packet Buffer: 12 MB
- Power Supply: AC with front-to-back airflow
- Management: RJ-45 console, 10/100/1000 mgmt port, USB storage
- Redundancy: 1+1 hot-swappable PSUs (model dependent)
- Operating Temperature: 0°C to +40°C (typical for series)
- Form Factor: 1 RU
4. Product Introduction
The Extreme EN-SLX9030-48S-4C-AC-F is a fixed 1 RU SLX 9030 series switch with 48 ports of 1/10GbE SFP+ and 4 ports of 10/40/100GbE QSFP28. It serves as a high-density leaf switch in large-scale data centers and service provider environments.
This model delivers non-blocking 1.76 Tbps switching capacity with 12 MB packet buffers. It is chosen for modern leaf-spine fabrics where flexible 100GbE uplinks and dense 10GbE server connectivity are required in a compact, power-efficient package.
- EN-SLX9030-48S-4C-AC-F
- EN-SLX9030-48S-4C-AC-F
5. Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No link on SFP+ ports | Optics or cable issue | ✅ High | Verify compatible SFP+ inserted; check “show interfaces” | Use Extreme-qualified optics; clean fiber |
| Uplink ports not coming up | QSFP28 configuration or breakout | ✅ High | Check port speed and breakout config via CLI | Set correct speed/breakout mode |
| High packet loss | Buffer exhaustion or congestion | ✅ Medium | Monitor buffer stats and interface counters | Tune QoS or traffic engineering |
| PSU failure LED | Power supply fault | ✅ High | Check “show power” output | Replace with compatible AC PSU |
| Management unreachable | IP config or firmware issue | ❌ Low | Console access and check mgmt interface | Verify IP, VLAN, and default gateway |
| Overheating | Airflow blockage | ✅ Medium | Check environmental sensors | Ensure proper rack airflow front-to-back |
Contact technical support with “show tech-support” output, logs, and port statistics if issues persist.
6. Frequently Asked Questions (FAQ)
What optics does the EN-SLX9030-48S-4C-AC-F support? It works best with Extreme-qualified SFP+ and QSFP28 transceivers. Third-party optics may function but can trigger compatibility warnings.
Is this switch 100GbE ready? Yes. The 4 QSFP28 ports support 100GbE natively along with 40GbE and 4x10GbE breakout.
Does it support front-to-back airflow? Yes. The -F designation indicates front-to-back airflow, matching typical data center hot-aisle/cold-aisle designs.
Can I use this as a spine switch? It is optimized as a high-density leaf. For spine roles, consider higher-scale SLX models depending on fabric size.
What power does it draw? Typical consumption is under 300W fully loaded. It uses AC power supplies with redundancy options.
Is this new original stock? Yes. Units are factory new with full manufacturer warranty eligibility where applicable. We perform basic power-on and port verification before shipping.
How does it compare to older Enterasys models? This is a modern Extreme Networks platform with significantly higher scale, better buffering, and advanced automation features compared to legacy S-Series or X-Series hardware.



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