Cisco / Cisco Catalyst 3550
C3550-12G-SW
Cisco Software for Catalyst 3550-12G Switch
- EOL
- 2023-03-07
- EOS
- 2023-09-05
- EOSL
- 2025-09-30
Series lifecycle table
Cisco Catalyst 3550 EOL List
This table tracks end-of-life milestones for 4 Cisco Catalyst 3550 part numbers. For each record it lists the key dates published in Cisco lifecycle notices: the EOL announcement date, End-of-Sale (EOS), and End-of-Service-Life (EOSL). The Cisco Catalyst 3550 family has no single end-of-life date; milestones are set per part number, so use the table to find the exact SKU you operate. Across this series, EOSL dates range from 2025-09-30 to 2025-09-30. Open any part number for source details, replacement fields, and current availability options.
4 products
Cisco Catalyst 3550 Series
Total Products: 4 | Page 1 of 1
Cisco / Cisco Catalyst 3550
C3550-12T-SW
Cisco Software For Catalyst 3550-12T
- EOL
- 2023-03-07
- EOS
- 2023-09-05
- EOSL
- 2025-09-30
Cisco / Cisco Catalyst 3550
C3550-24-DC-SMI-SW
Cisco Software For Catalyst 3550-24-DC-SMI
- EOL
- 2023-03-07
- EOS
- 2023-09-05
- EOSL
- 2025-09-30
Cisco / Cisco Catalyst 3550
C3550-24-EMI-SW
Cisco Software For Catalyst 3550-24-EMI
- EOL
- 2023-03-07
- EOS
- 2023-09-05
- EOSL
- 2025-09-30
| Manufacturer | Part Number | Product Name | EOL Announcement | End of Sale (EOS) | End of Service Life (EOSL) |
|---|---|---|---|---|---|
| Cisco | C3550-12G-SW | Cisco Software for Catalyst 3550-12G Switch | 2023-03-07 | 2023-09-05 | 2025-09-30 |
| Cisco | C3550-12T-SW | Cisco Software For Catalyst 3550-12T | 2023-03-07 | 2023-09-05 | 2025-09-30 |
| Cisco | C3550-24-DC-SMI-SW | Cisco Software For Catalyst 3550-24-DC-SMI | 2023-03-07 | 2023-09-05 | 2025-09-30 |
| Cisco | C3550-24-EMI-SW | Cisco Software For Catalyst 3550-24-EMI | 2023-03-07 | 2023-09-05 | 2025-09-30 |