Cisco Catalyst · WS-C3850-48P-E-BR · Catalyst 3850 copper and mGig Switches

Lifecycle timeline

• 2019-10-31 — End-of-Life Announcement · Classification change
• 2020-10-30 — End of Sale · End of sale
• 2021-10-30 — End of Software Maintenance · End of maintenance
• 2025-01-28 — End of Service Contract Renewal · End of service renewal
• 2025-10-31 — End of Vulnerability/Security Support · End of security fixes
• 2025-10-31 — Last Date of Support · Last date of support

Why this status?

“End of Vulnerability/Security Support” (end-of-security-fixes, 2025-10-31, confirmed) has passed — all support, including security fixes, has ended.

Catalyst releases still inside the support window

• IOS XE 17.15.x — support ends 2028-09-30
• IOS XE 17.12.x — support ends 2027-09-30
• WS-C3650-48TS-S — support ends 2026-10-31
• WS-C3650-48TS-L — support ends 2026-10-31

The cited source lists these as still supported. Check Cisco's upgrade path for your edition and contract before planning change work.

Evidence

• Cisco EoX API Official · checked 2026-10-28
• Cisco Catalyst 9200 EOL notices Official · checked 2026-10-28
• Cisco Catalyst 9300 EOL notices Official · checked 2026-10-28
• Cisco Catalyst 9400 EOL notices Official · checked 2026-10-28
• Cisco Catalyst 9500 EOL notices Official · checked 2026-10-28
• Cisco Catalyst 9600 EOL notices Official · checked 2026-10-28
• Cisco End-of-Life policy Official · checked 2026-10-28
• Cisco End-of-Sale and End-of-Life index Official · checked 2026-10-28
• Cisco software lifecycle statements Official · checked 2026-10-28
• Cisco switches EOL listing Official · checked 2026-10-28

Related

• All Cisco Catalyst lifecycle dates· 183 tracked releases
• Cisco Catalyst security advisories· 3 tracked
• CVE email alerts for Cisco