Lifecycle record
S49IPBUK9-12252SG EOL & EOSL Dates
Cisco CAT4900 IOS IP BASE UPGRADE SSH
Lifecycle status
End of Support (EOL Completed)
S49IPBUK9-12252SG reached its last date of support on 2025-09-30. 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) | 2023-03-07 |
|---|---|
| End of Sale (EOS) | 2023-09-05 |
| End of Service Life (EOSL) | 2028-09-30 |
| Manufacturer | Cisco |
| Category | Switches |
| Product Series | Cisco Catalyst 4900 |
| Part Number | S49IPBUK9-12252SG |
| Release Date | - |
| 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 | 2023-12-04 |
|---|---|
| End Of New Service Attachment Date: HW | 2024-09-04 |
| End Of SW Maintenance Releases Date: HW | 2024-09-04 |
| End Of Service Contract Renewal Date: HW | 2025-09-04 |
| End Of Service Contract Renewal Date: OS SW | 2027-12-01 |
| Last Date Of Support: HW | 2025-09-30 |
| Last Date Of Support: OS SW | 2028-09-30 |
| Official EOL Notice | View Official EOL Documentation |
More Cisco Catalyst 4900 EOL Dates
| Part Number | Product Name | EOL Announcement | End of Sale |
|---|---|---|---|
| C1A13CT2P-T-ADVG | Cisco Advantage Program - Cisco ONE Cat 4X6K Advanced 1K Units | 2023-03-07 | 2023-09-05 |
| C1F13CT2P-T-ADVG | Cisco Advantage Program - Cisco ONE Cat 4X6K Foundation 1K Units | 2023-03-07 | 2023-09-05 |
| C4948-10GE-E-SW | Cisco C4948-10GE-E IOS build PID | 2023-03-07 | 2023-09-05 |
| C4948-10GE-S-SW | Cisco C4948-10GE-S IOS build PID | 2023-03-07 | 2023-09-05 |
| C4948-BKT-KIT | Cisco C49xx front and rear mount brackets | 2014-07-25 | 2015-01-23 |
| C4948-BKT-REC | Cisco C49xx front 2inch rec mounting brackets | 2014-07-25 | 2015-01-23 |
| C4948-E-SW | Cisco C4948-E IOS build PID | 2023-03-07 | 2023-09-05 |
| C4948-REAR-BKT | Cisco C49xx rear mount brackets | 2014-07-25 | 2015-01-23 |