Lifecycle record
SF-F4K-FXOS-2-3-K9 EOL & EOSL Dates
Cisco FXOS v2.3 for FPR4100
Lifecycle status
End of Support (EOL Completed)
SF-F4K-FXOS-2-3-K9 reached its last date of support on 2025-10-31. Cisco support services are no longer available for this model. Recommended replacement: SF-4KFXS2-10-1A-K9.
Last checked: 2026-06-16
EOL & EOSL Dates and Details
| End-of-Life Announcement (EOL) | 2023-10-18 |
|---|---|
| End of Sale (EOS) | 2023-10-18 |
| End of Service Life (EOSL) | 2025-10-31 |
| Manufacturer | Cisco |
| Category | Software |
| Product Series | Cisco Firepower Extensible Operating System (FXOS) |
| Part Number | SF-F4K-FXOS-2-3-K9 |
| Model Number | SF-F4K-FXOS-2.3-K9 |
| Release Date | 2018-05-15 |
| Replacement Part Number | SF-4KFXS2-10-1A-K9 |
| Replacement Product Name | Cisco Firepower Extensible Operating Sys v2.10.1A forFPR4100 |
Lifecycle Timeline
Recorded lifecycle milestones in date order.
Additional Information
Support milestones and the official source recorded for this model.
| Last Ship Date: HW, License | 2023-10-18 |
|---|---|
| End Of New Service Attachment Date: HW | 2024-10-17 |
| End Of SW Maintenance Releases Date: HW | 2024-10-17 |
| End Of Service Contract Renewal Date: HW | 2025-10-17 |
| Last Date Of Support: HW | 2025-10-31 |
| Official EOL Notice | View Official EOL Documentation |
More Cisco Firepower Extensible Operating System (FXOS) EOL Dates
| Part Number | Product Name | EOL Announcement | End of Sale |
|---|---|---|---|
| SF-F4KFXOS2-3-2-K9 | Cisco FXOS v2.3.2 for FPR4100 | 2023-10-18 | 2023-10-18 |
| SF-F9K-FXOS-2-3-K9 | Cisco FXOS v2.3 for FPR9300 | 2023-10-18 | 2023-10-18 |
| SF-F9KFXOS2-3-2-K9 | Cisco FXOS v2.3.2 for FPR9300 | 2023-10-18 | 2023-10-18 |