BIG-IP 11.5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
BIG-IP 11.5 reached end of life on 8 Apr 2020. It no longer receives security fixes.
Support timeline
Official dates from the BIG-IP release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 31 Jan 2014 | — |
| End of life | 8 Apr 2020 | 6.3 years ago |
| Active support ended | 8 Apr 2019 | security fixes only after this |
| Latest release | 11.5.10 · 19 Sept 2019 | final |
Where to go from 11.5
Recommended target: BIG-IP 21.1 (supported until 5 May 2029).
The newest actively supported branch is BIG-IP 21.1 (latest release 21.1.0).
Frequently asked questions
Is BIG-IP 11.5 still safe to use?
BIG-IP 11.5 reached end of life on 8 Apr 2020, 2,314 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download BIG-IP 11.5?
Yes — the final release (11.5.10) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade BIG-IP 11.5 to?
Upgrade to BIG-IP 21.1, the newest actively supported branch (supported until 5 May 2029).