Cisco AIR-CT3504-K9 End of Life & End of Support
Cisco 3504 Wireless Controller
Supported through Jan 31, 2027The 3504 was a compact AireOS controller for small and midsize sites. Cisco's bulletin lists the Catalyst 9800-L (IOS XE) or an Embedded Wireless Controller on Catalyst 9100 APs as the migration path.
Cisco AIR-CT3504-K9 lifecycle milestone dates
- End-of-Sale Date
- Jan 31, 2021
- End of Software Maintenance
- Jan 31, 2023
- Last Date of Support (LDoS)
- Jan 31, 2027
Dates per Cisco’s official End-of-Sale/End-of-Life bulletin. Verify against your support contract before acting.
Running past End-of-Sale or Last Date of Support means no new Cisco TAC, hardware replacement, or security fixes. Uniqcli, an authorized Cisco partner, scopes a like-for-like or better replacement, confirms TAA compliance, accepts the Government Purchase Card (GPC), and plans a low-risk cutover.
Compare AIR-CT3504-K9 vs its replacement → · Prefer to keep it running? Renew SmartNet / support instead →
Frequently asked questions
When is the Cisco AIR-CT3504-K9 end of life?
Cisco announced End-of-Sale for the AIR-CT3504-K9 effective Jan 31, 2021. The Last Date of Support (LDoS) is Jan 31, 2027, after which Cisco no longer provides support. Check the milestone dates on this page and plan your refresh accordingly.
What replaces the Cisco AIR-CT3504-K9?
Cisco's recommended migration is the Cisco Catalyst 9800-L Wireless Controller. Uniqcli, an authorized Cisco partner, can quote the replacement TAA-compliant and GPC-payable, and help plan the cutover.
Can I still get support for the AIR-CT3504-K9?
Yes, until the Last Date of Support (Jan 31, 2027) with an active SmartNet/Solution Support contract. Uniqcli can review your install base, confirm coverage, and quote a refresh.