Lifecycle record
EDU-CT3504-K9 EOL & EOSL Dates
Cisco 3504 Wireless Controller for US K12
Lifecycle status
EoS - Sales Ended
EDU-CT3504-K9 is no longer sold by Cisco; end of sale was 2021-01-31. Support continues until 2027-01-31. Recommended replacement: EDU-C9800-L-F-K9-EDU-C9800-L-C-K9-C91XXAXX-EWC-X.
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 | EDU-CT3504-K9 |
| Release Date | 2017-03-20 |
| Replacement Part Number | EDU-C9800-L-F-K9-EDU-C9800-L-C-K9-C91XXAXX-EWC-X |
| Replacement Product Name | Cisco Catalyst 9800-L Controller / Cisco Catalyst Embedded Wireless Controllers on Catalyst 9100 Series Access Points |
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 | 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 |
|---|---|---|---|
| AIR-CT3504-SW-8-5 | Cisco 3504 Wireless Controller SW Rel. 8.5 | 2021-01-11 | 2021-01-31 |
| C1-AIR-CT3504-K9 | Cisco ONE - 3504 Wireless Controller (TAA) | 2021-01-11 | 2021-01-31 |