Cisco Firepower Extensible Operating System (FXOS) – EOL / EOSL
Series Overview
- Brand
- Cisco
- Category
- Software
- Series
- Cisco Firepower Extensible Operating System (FXOS)
- Total Models
- 4
Lifecycle Notes
We summarize official Cisco EOL bulletins for quick planning. Use the milestones below to align maintenance windows and budget.
-
1
EOL — Announcement — plan upgrade in advance.
-
2
EOS — End of sale — confirm last order and stock.
-
3
EOSL — End of support — schedule replacement.
Always verify dates with official Cisco notices; minor revisions may occur.
Models in this Series
Showing 1–4
of 4 items
| Part Number | Product Name | EOL Announcement | EOS | EOSL |
|---|---|---|---|---|
| SF-F4K-FXOS-2.3-K9 | Cisco Firepower Extensible Operating System (FXOS) SF-F4K-FXOS-2.3-K9 | 2023-10-18 | 2023-10-18 | 2025-10-31 |
| SF-F4KFXOS2.3.2-K9 | Cisco Firepower Extensible Operating System (FXOS) SF-F4KFXOS2.3.2-K9 | 2023-10-18 | 2023-10-18 | 2025-10-31 |
| SF-F9K-FXOS-2.3-K9 | Cisco Firepower Extensible Operating System (FXOS) SF-F9K-FXOS-2.3-K9 | 2023-10-18 | 2023-10-18 | 2025-10-31 |
| SF-F9KFXOS2.3.2-K9 | Cisco Firepower Extensible Operating System (FXOS) SF-F9KFXOS2.3.2-K9 | 2023-10-18 | 2023-10-18 | 2025-10-31 |