Lifecycle record
CISCO-IOS-SOFTWARE-RELEASE-15-5-3-M EOL & EOSL Dates
Cisco IOS Software Release 15.5(3)M
Lifecycle status
End of Support (EOL Completed)
CISCO-IOS-SOFTWARE-RELEASE-15-5-3-M reached its last date of support on 2024-06-30. Cisco support services are no longer available for this model.
Last checked: 2026-06-16
EOL & EOSL Dates and Details
| End-of-Life Announcement (EOL) | 2018-12-05 |
|---|---|
| End of Sale (EOS) | 2019-06-05 |
| End of Service Life (EOSL) | 2024-06-30 |
| Manufacturer | Cisco |
| Category | Software |
| Product Series | Cisco IOS |
| Part Number | CISCO-IOS-SOFTWARE-RELEASE-15-5-3-M |
| Model Number | Cisco IOS Software Release 15.5(3)M |
| Release Date | 2015-08-20 |
| Replacement Part Number | N/A |
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 | 2019-09-03 |
|---|---|
| End Of SW Maintenance Releases Date: HW | 2019-06-05 |
| End Of Vulnerability/Security Support: HW | 2020-06-04 |
| Last Date Of Support: HW | 2024-06-30 |
| Official EOL Notice | View Official EOL Documentation |
More Cisco IOS EOL Dates
| Part Number | Product Name | EOL Announcement | End of Sale |
|---|---|---|---|
| CISCO-IOS-15-2-2-E | Cisco IOS 15.2(2)E for Cisco Catalyst 2960-X/XR, 2960-S, 2960-Plus, 2960-C, 3750-X, 3560-X/C, and 4900 Series Switches | 2016-10-31 | 2017-05-01 |
| CISCO-IOS-15-2-3-E | Cisco IOS 15.2(3)E for Cisco Catalyst 2960-X/XR, 2960-Plus, 2960 C/CX, 3750-X, 3560-X/CX, and 4900 Series Switches | 2016-04-29 | 2016-10-28 |
| CISCO-IOS-15-2-4-EX | Cisco IOS 15.2(4)Ex for Cisco Catalyst 2960-X/XR, 2960-Plus, 2960-C/CX, 3750-X and 3560-CX Series Switches | 2017-10-31 | 2018-05-01 |
| CISCO-IOS-15-2-6-E-X | Cisco IOS 15.2(6)E(x) for Cisco Catalyst 2960-X/XR,2960-Plus,2960-L,2960-C/CX, 3560-CX,4900,Cisco Digital Building Series Switches | 2019-06-17 | 2019-09-17 |
| CISCO-IOS-SOFTWARE-RELEASE-12-2-55-SE | Cisco IOS Software Release 12.2(55)SE | 2014-03-31 | 2014-09-29 |
| CISCO-IOS-SOFTWARE-RELEASE-15-0-2-SE | Cisco IOS Software Release 15.0(2)SE for Cisco Catalyst 3750-X, 3560-X, 3750-E, 3560-E, 3750G, 3560G, 3750V2, 3560V2, 2960, 2960-S, 3560-C, and 2960-C Series Switches | 2015-11-23 | 2016-05-23 |
| CISCO-IOS-SOFTWARE-RELEASE-15-4-3-M | Cisco IOS Software Release 15.4(3)M | 2016-08-31 | 2017-03-01 |
| IOS-15-2-5-E | Cisco IOS 15.2(5)E for Cisco Catalyst 2960-X/XR, 2960-Plus, 2960-L, 2960-C/CX, 3560-CX Series Switches | 2016-10-31 | 2017-05-01 |