Lifecycle record
ASR55-00SWUD22126 EOL & EOSL Dates
Cisco ASR5500 StarOS Release 21.26 System SW, Per UDPC2
Lifecycle status
In EOSL Phase
ASR55-00SWUD22126 reached its last date of support on 2025-10-31. Cisco support services are no longer available for this model.
Last checked: 2026-06-16
EOL & EOSL Dates and Details
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 | 2023-01-16 |
|---|---|
| End Of New Service Attachment Date: HW | 2023-10-18 |
| End Of SW Maintenance Releases Date: HW | 2023-10-18 |
| End Of Service Contract Renewal Date: HW | 2025-01-13 |
| Official EOL Notice | View Official EOL Documentation |
More Cisco ASR 5500 EOL Dates
| Part Number | Product Name | EOL Announcement | End of Sale |
|---|---|---|---|
| ASR55-00-SWIDP220 | Cisco ASR5500 Initial System SW, Release 20, Per UDPC2 | 2017-05-05 | 2017-11-03 |
| ASR55-00-SWIDP221 | Cisco ASR5500 Initial System SW, Release 21, Per UDPC2 | 2019-04-05 | 2019-10-04 |
| ASR55-00-SWIDP2211 | Cisco ASR5500 Initial System SW, Release 21.1, Per UDPC2 | 2019-04-05 | 2019-10-04 |
| ASR55-00-SWIDPC20 | Cisco ASR5500 Initial System SW, Release 20, Per UDPC | 2017-05-05 | 2017-11-03 |
| ASR55-00-SWIDPC21 | Cisco ASR5500 Initial System SW, Release 21, Per UDPC | 2019-04-05 | 2019-10-04 |
| ASR55-00-SWIDPC211 | Cisco ASR5500 Initial System SW, Release 21.1, Per UDPC | 2019-04-05 | 2019-10-04 |
| ASR55-00-SWUD22110 | Cisco ASR5500 StarOS Release 21.10 System SW, Per UDPC2 | 2019-04-05 | 2019-10-04 |
| ASR55-00-SWUD22117 | Cisco ASR5500 StarOS Release 21.17 System SW, Per UDPC2 | 2020-03-26 | 2020-09-24 |