Lifecycle record

AIR-CT3504-SW-8-5 EOL & EOSL Dates

Cisco 3504 Wireless Controller SW Rel. 8.5

Lifecycle status

EoS - Sales Ended

AIR-CT3504-SW-8-5 is no longer sold by Cisco; end of sale was 2021-01-31. Support continues until 2027-01-31.

Last checked: 2026-06-16

EOL & EOSL Dates and Details

End-of-Life Announcement (EOL) 2021-01-11
End of Sale (EOS) 2021-01-31
End of Service Life (EOSL) 2027-01-31
Manufacturer Cisco
Category Wireless
Product Series Cisco 3504 Wireless controller
Part Number AIR-CT3504-SW-8-5
Model Number AIR-CT3504-SW-8.5
Release Date -
Replacement Part Number N/A
Replacement Product Name Cisco Catalyst 9800 L Wireless Controllers

Lifecycle Timeline

Recorded lifecycle milestones in date order.

  • End-of-Life Announcement (EOL)
    2021-01-11


  • End of Sale (EOS)
    2021-01-31


  • Last Ship Date
    2021-05-02


  • End of SW Maintenance
    2023-01-31


  • End of Service Contract Renewal
    2026-05-01


  • End of Service Life (EOSL)
    2027-01-31

Additional Information

Support milestones and the official source recorded for this model.

Last Ship Date: HW, License 2021-05-02
End Of New Service Attachment Date: HW 2023-01-31
End Of SW Maintenance Releases Date: HW 2023-01-31
End Of Routine Failure Analysis Date: HW 2023-01-31
End Of Vulnerability/Security Support: HW 2025-01-30
End Of Service Contract Renewal Date: HW 2026-05-01
Official EOL Notice View Official EOL Documentation

More Cisco 3504 Wireless controller EOL Dates

Part Number Product Name EOL Announcement End of Sale
C1-AIR-CT3504-K9 Cisco ONE - 3504 Wireless Controller (TAA) 2021-01-11 2021-01-31
EDU-CT3504-K9 Cisco 3504 Wireless Controller for US K12 2021-01-11 2021-01-31