Cisco WS-C3750X-12S-S End of Life & End of Support
Cisco Catalyst 3750-X 12 Port GE SFP IP Base
Past Last Date of Support (Oct 31, 2021)The fiber (SFP) 12-port aggregation variant of the 3750-X stack. Cisco's bulletin mapped it to the 3850 12-port SFP; the current shipping equivalent is the SFP-based Catalyst 9300.
Cisco WS-C3750X-12S-S lifecycle milestone dates
- End-of-Sale Date
- Oct 30, 2016
- End of Software Maintenance
- Oct 30, 2017
- Last Date of Support (LDoS)
- Oct 31, 2021
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 WS-C3750X-12S-S vs its replacement → · Prefer to keep it running? Renew SmartNet / support instead →
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Frequently asked questions
When is the Cisco WS-C3750X-12S-S end of life?
Cisco announced End-of-Sale for the WS-C3750X-12S-S effective Oct 30, 2016. The Last Date of Support (LDoS) is Oct 31, 2021, after which Cisco no longer provides support. It is past its last date of support.
What replaces the Cisco WS-C3750X-12S-S?
Cisco's recommended migration is the Cisco Catalyst 3850 12 Port GE SFP IP Base. 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 WS-C3750X-12S-S?
No. The WS-C3750X-12S-S passed its Last Date of Support (Oct 31, 2021), so Cisco TAC and hardware replacement are no longer available. Uniqcli can review your install base, confirm coverage, and quote a refresh.