Lifecycle record

C3550-24-DC-SMI-SW EOL & EOSL Dates

Cisco Software For Catalyst 3550-24-DC-SMI

Lifecycle status

End of Support (EOL Completed)

C3550-24-DC-SMI-SW 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) 2025-09-30
Manufacturer Cisco
Category Software
Product Series Cisco Catalyst 3550
Part Number C3550-24-DC-SMI-SW
Release Date 2002-03-18
Replacement Part Number N/A

Lifecycle Timeline

Recorded lifecycle milestones in date order.

  • Release Date
    2002-03-18


  • End-of-Life Announcement (EOL)
    2023-03-07


  • End of Sale (EOS)
    2023-09-05


  • Last Ship Date
    2023-12-04


  • End of SW Maintenance
    2024-09-04


  • End of Service Contract Renewal
    2025-09-04


  • Last Date of Support
    2025-09-30


  • End of Service Life (EOSL)
    2025-09-30

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
Last Date Of Support: HW 2025-09-30
Official EOL Notice View Official EOL Documentation

More Cisco Catalyst 3550 EOL Dates

Part Number Product Name EOL Announcement End of Sale
C3550-12G-SW Cisco Software for Catalyst 3550-12G Switch 2023-03-07 2023-09-05
C3550-12T-SW Cisco Software For Catalyst 3550-12T 2023-03-07 2023-09-05
C3550-24-EMI-SW Cisco Software For Catalyst 3550-24-EMI 2023-03-07 2023-09-05