Cisco IOS – EOL / EOSL
Series Overview
- Brand
- Cisco
- Category
- Software
- Series
- Cisco IOS
- Total Models
- 7
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 1–7
of 7 items
| Part Number | Product Name | EOL Announcement | EOS | EOSL |
|---|---|---|---|---|
| Cisco IOS 15.2(3)E | Cisco IOS Cisco IOS 15.2(3)E | 2016-04-29 | 2016-10-28 | 2021-10-31 |
| Cisco IOS 15.2(4)Ex | Cisco IOS Cisco IOS 15.2(4)Ex | 2017-10-31 | 2018-05-01 | 2023-04-30 |
| Cisco IOS 15.2(6)E(x) | Cisco IOS Cisco IOS 15.2(6)E(x) | 2019-06-17 | 2019-09-17 | 2024-09-30 |
| Cisco IOS Software Release 15.4(3)M | Cisco IOS Cisco IOS Software Release 15.4(3)M | 2016-08-31 | 2017-03-01 | 2022-02-28 |
| Cisco IOS Software Release 15.5(3)M | Cisco IOS Cisco IOS Software Release 15.5(3)M | 2018-12-05 | 2019-06-05 | 2024-06-30 |
| IOS 15.2(5)E | Cisco IOS IOS 15.2(5)E | 2016-10-31 | 2017-05-01 | 2022-04-30 |
| IOS-CVPN-CLIENT-K9 | Cisco IOS IOS-CVPN-CLIENT-K9 | 2019-11-08 | 2020-05-08 | 2025-05-31 |