Cisco Catalyst · IOS XE 17.15.x
Inside the published support window. The published end-of-support date is 2028-09-30 — 792 days from today.
Scope: hardware modelAs of 2026-08-01
Lifecycle timeline
- 2025-09-30 — End-of-Life Announcement · Classification change
- 2026-03-30 — End of Sale · End of sale
- 2027-03-30 — End of Software Maintenance · End of maintenance
- 2028-09-30 — End of Vulnerability/Security Support · End of security fixes
- 2029-03-31 — Last Date of Support · Last date of support
Why this status?
“End of Software Maintenance” (end-of-maintenance, 2027-03-30, confirmed) is in the future — the release is inside its published support window.
Catalyst releases still inside the support window
- IOS XE 17.12.x — support ends 2027-09-30
- IOS XE 17.9.x — support ends 2026-09-30
- WS-C3650-48TS-S — support ends 2026-10-31
Reported as still supported by the cited source. Cisco documents the upgrade path for your edition and contract — confirm there before planning change work.
Evidence
- Cisco EoX API Official · checked 2026-07-14
- Cisco Catalyst 9200 EOL notices Official · checked 2026-07-14
- Cisco Catalyst 9300 EOL notices Official · checked 2026-07-14
- Cisco Catalyst 9400 EOL notices Official · checked 2026-07-14
- Cisco Catalyst 9500 EOL notices Official · checked 2026-07-14
- Cisco Catalyst 9600 EOL notices Official · checked 2026-07-14
- Cisco End-of-Life policy Official · checked 2026-07-14
- Cisco End-of-Sale and End-of-Life index Official · checked 2026-07-14
- Cisco software lifecycle statements Official · checked 2026-07-14
- Cisco switches EOL listing Official · checked 2026-07-14
Keep going
- All Cisco Catalyst lifecycle dates· 183 tracked releases
- Cisco Catalyst security advisories· 2 tracked
- Free CVE email alerts for Cisco
Status derived deterministically from the published milestones. When a vendor does not publish a date, this page says so — it never guesses.