Supported
F5 BIG-IP · 21.1 (LTS)
Inside the published support window. The published end-of-support date is 2029-05-05 — 1009 days from today.
Scope: software releaseAs of 2026-08-01
Lifecycle timeline
- 2026-05-05 — Release date · General availability
- 2029-05-05 — End of active support · End of maintenance
- 2029-05-05 — End of support · End of standard support
Why this status?
“End of active support” (end-of-maintenance, 2029-05-05, confirmed) is in the future — the release is inside its published support window.
BIG-IP releases still inside the support window
- 21.0 — support ends 2026-08-06
- 17.5 (LTS) — support ends 2029-01-01
- 17.1 (LTS) — support ends 2027-03-31
Reported as still supported by the cited source. F5 documents the upgrade path for your edition and contract — confirm there before planning change work.
Evidence
- F5 BIG-IP software support policy Official · checked 2026-08-01
- endoflife.date product data independent-open · checked 2026-08-01
Keep going
- All F5 BIG-IP lifecycle dates· 16 tracked releases
- F5 BIG-IP security advisories· 1 tracked
- Free CVE email alerts for F5
Status derived deterministically from the published milestones. When a vendor does not publish a date, this page says so — it never guesses.