Lifecycle record

N35-T-OS EOL & EOSL Dates

Cisco Nexus 3550-T Triton Layer 3 switch OS

Lifecycle status

EoS - Sales Ended

N35-T-OS is no longer sold by Cisco; end of sale was 2023-04-11. Support continues until 2028-04-30. Recommended replacement: NXOS-10-1-2T.

Last checked: 2026-06-16

EOL & EOSL Dates and Details

End-of-Life Announcement (EOL) 2022-10-11
End of Sale (EOS) 2023-04-11
End of Service Life (EOSL) 2028-04-30
Manufacturer Cisco
Category Software
Product Series Cisco Nexus 3550-T
Part Number N35-T-OS
Release Date -
Replacement Part Number NXOS-10-1-2T
Replacement Product Name Nexus 3550-T FPGA NX-OS

Lifecycle Timeline

Recorded lifecycle milestones in date order.

  • End-of-Life Announcement (EOL)
    2022-10-11


  • End of Sale (EOS)
    2023-04-11


  • Last Ship Date
    2023-07-10


  • End of SW Maintenance
    2024-04-10


  • End of Service Contract Renewal
    2027-07-07


  • End of Service Life (EOSL)
    2028-04-30

Additional Information

Support milestones and the official source recorded for this model.

Last Ship Date: HW, License 2023-07-10
End Of New Service Attachment Date: HW 2024-04-10
End Of SW Maintenance Releases Date: HW 2024-04-10
End Of Service Contract Renewal Date: HW 2027-07-07
Official EOL Notice View Official EOL Documentation