Cisco IOS Software – EOL / EOSL
Series Overview
- Brand
- Cisco
- Category
- Software
- Series
- Cisco IOS Software
- Total Models
- 3
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 1–3
of 3 items
| Part Number | Product Name | EOL Announcement | EOS | EOSL |
|---|---|---|---|---|
| Cisco IOS Software Release 15.3(3)M | Cisco IOS Software Cisco IOS Software Release 15.3(3)M | 2015-04-07 | 2015-10-06 | 2020-10-31 |
| Cisco IOS Software release 15.6(3)M | Cisco IOS Software Cisco IOS Software release 15.6(3)M | 2019-04-30 | 2019-10-29 | 2024-10-31 |
| IOS Release 15.2(7)E | Cisco IOS Software IOS Release 15.2(7)E | 2021-09-30 | 2022-03-31 | 2027-03-31 |