Lifecycle record
CISCO-IOS-15-5-1-S-FOR-ASR-901-SERIES EOL & EOSL Dates
Cisco ASR 901 Series Aggregation Services Routers - Cisco IOS 15.5(1)S
Lifecycle status
In EOSL Phase
CISCO-IOS-15-5-1-S-FOR-ASR-901-SERIES reached its last date of support on 2020-08-31. Cisco support services are no longer available for this model. Recommended replacement: CISCO-IOS-15-5-2-S.
Last checked: 2026-06-16
EOL & EOSL Dates and Details
| End-of-Life Announcement (EOL) | 2015-02-16 |
|---|---|
| End of Sale (EOS) | 2015-08-17 |
| End of Service Life (EOSL) | 2020-08-31 |
| Manufacturer | Cisco |
| Category | Routers |
| Product Series | Cisco ASR 901 |
| Part Number | CISCO-IOS-15-5-1-S-FOR-ASR-901-SERIES |
| Model Number | Cisco IOS 15.5(1)S for ASR 901 Series |
| Release Date | 2014-12-19 |
| Replacement Part Number | CISCO-IOS-15-5-2-S |
| Replacement Product Name | Cisco ASR 901 Series Aggregation Services Routers - Cisco IOS 15.5(2)S |
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 | 2015-08-17 |
|---|---|
| End Of SW Maintenance Releases Date: HW | 2016-02-16 |
| End Of Vulnerability/Security Support: HW | 2016-08-16 |
| Official EOL Notice | View Official EOL Documentation |
More Cisco ASR 901 EOL Dates
| Part Number | Product Name | EOL Announcement | End of Sale |
|---|---|---|---|
| FLS-A901-2Z | Cisco ASR 901 10G Router - 2x10GE Port Upgrade - Physical | 2017-06-16 | 2017-09-15 |
| FLS-A901-4 | Cisco ASR 901 10G Router - 4 Flex Port GE Upgrade - Physical | 2017-06-16 | 2017-09-15 |
| IOS-15-3-2-FOR-ASR-901 | Cisco IOS Release 15.3(2) for ASR 901 Series Aggregation Services Routers | 2018-12-17 | 2019-06-17 |
| IOS-15-4-1-FOR-ASR-901 | Cisco IOS Release 15.4(1) for ASR 901 Series Aggregation Services Routers | 2018-12-17 | 2019-06-17 |
| IOS-15-4-2-FOR-ASR-901 | Cisco IOS Release 15.4(2) for ASR 901 Series Aggregation Services Routers | 2018-12-17 | 2019-06-17 |
| IOS-15-4-3-S-FOR-ASR-901-SERIES | Cisco ASR 901 Series Aggregation Services Routers - Cisco Software Release IOS 15.4(3)S | 2016-11-04 | 2017-05-05 |
| IOS-15-5-3-FOR-ASR-901 | Cisco IOS Release 15.5(3) for ASR 901 Series Aggregation Services Routers | 2018-12-17 | 2019-06-17 |
| IOS-15-6-2-S | Cisco Software Release IOS 15.6(2)S for the Cisco ASR 901 Series Aggregation Services Routers | 2017-07-21 | 2018-01-19 |