- August 26, 2021 firmware update enhances stability and security in Dell EMC PowerSwitch S5248F-ON.
- Optimized for 25/100GbE high-speed enterprise connectivity with open networking flexibility.
- Ideal for data center aggregation, ToR deployment, and cloud-scale architectures.
- Latest drivers and documentation available via Dell’s official support portal.
- Strong ROI for enterprises needing scalable and programmable network infrastructure.
What’s New or Important Now
As of August 26, 2021, the Dell EMC PowerSwitch S5248F-ON received a notable firmware update improving core switching performance, security patches, and compatibility with newer OS10 releases. For the most current firmware and drivers, consult the official Dell Support Site. This update underscores Dell’s commitment to maintaining robust enterprise-grade networking hardware well into 2025.
The S5248F-ON remains a competitive choice for organizations embracing open networking models while demanding high-density, low-latency switching for modern workloads.
Buyer & Architect Guidance
Primary Use Cases
- Top-of-Rack (ToR) switching in high-performance data centers.
- Aggregation switch for converged infrastructures.
- Spine/leaf network architectures for private and hybrid clouds.
- Environments seeking disaggregated hardware/software flexibility.
Sizing Considerations
When selecting the S5248F-ON, consider:
- Port density requirements (48 x 25GbE SFP28 + 6 x 100GbE QSFP28 uplinks).
- Throughput needs – 2.16 Tbps switching capacity.
- Latency tolerance, especially for real-time workloads.
- Future-proofing with open OS compatibility.
Trade-Offs
- Higher upfront cost versus fixed OS switches, balanced by long-term flexibility.
- Requires in-house or partner expertise for OS selection and configuration.
- Power consumption and cooling requirements must match rack capabilities.
Feature Comparison Table
| Model | Port Configuration | Switching Capacity | Latency | Key Differentiator |
|---|---|---|---|---|
| Dell EMC S5248F-ON | 48 x 25GbE + 6 x 100GbE | 2.16 Tbps | <750ns | Open networking, OS10 support |
| Dell EMC S5296F-ON | 96 x 25GbE + 8 x 100GbE | 3.84 Tbps | <750ns | Higher port density, larger fabrics |
| Dell EMC S4148T-ON | 48 x 10GBaseT + 6 x 100GbE | 1.28 Tbps | <950ns | Support for copper Ethernet cabling |
Mini Implementation Guide
Prerequisites
- Rack space and adequate power/cooling capacity.
- Transceivers and cabling matched to port speeds.
- Chosen network OS image (e.g., OS10, Cumulus Linux).
- Access to Dell support account for firmware downloads.
Implementation Steps
- Unbox and physically install the S5248F-ON in designated rack unit.
- Connect management port and configure initial IP settings.
- Update firmware to latest version from Dell Support Site.
- Install and configure chosen network OS; set VLAN, routing, and security rules.
- Test throughput and latency for baseline performance.
- Integrate into existing spine/leaf topology or aggregation layer.
Common Pitfalls
- Neglecting firmware updates before OS deployment.
- Incorrect optics leading to port negotiation issues.
- Undersizing cooling for sustained high throughput environments.
- Overlooking documentation for OS-specific configurations.
Cost & ROI Considerations
The S5248F-ON commands a premium over fixed OS switches due to its open networking capability and high port speeds. However, its flexibility to adopt different network operating systems can reduce future migration costs and extend hardware lifecycle. ROI is strongest in environments where programmability and interoperability with SDN controllers or automation frameworks are critical.
Frequently Asked Questions
Is the firmware update mandatory?
Not mandatory, but highly recommended for security and stability improvements.
Which operating systems are supported?
Dell Networking OS10, Cumulus Linux, and select third-party options.
Can it integrate with existing Cisco or Juniper infrastructure?
Yes, via standards-based protocols and interoperable optics.
What is the warranty period?
Typically comes with a limited hardware warranty; check Dell’s terms.
Does it support VXLAN?
Yes, with the appropriate OS configuration and firmware version.
Is it suitable for edge deployments?
Possible, but most effective in high-speed data center roles.
Conclusion
The Dell EMC PowerSwitch S5248F-ON remains a potent option for enterprises seeking a blend of speed, density, and open networking flexibility in 2025. Its continued firmware support ensures relevance in evolving network architectures, whether for hyperscale, private cloud, or mission-critical workloads. To learn more and build expertise, visit LearnDell.online.