BIG-IP 11.3 End of Life
Support dates and upgrade guidance — rebuilt from live data.
BIG-IP 11.3 reached end of life on 17 Dec 2015. It no longer receives security fixes.
Support timeline
Official dates from the BIG-IP release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 17 Dec 2012 | — |
| End of life | 17 Dec 2015 | 10.7 years ago |
| Active support ended | 17 Dec 2014 | security fixes only after this |
| Latest release | 11.3.0 · 17 Dec 2012 | final |
Where to go from 11.3
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 11.3 still safe to use?
BIG-IP 11.3 reached end of life on 17 Dec 2015, 3,888 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download BIG-IP 11.3?
Yes — the final release (11.3.0) 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 11.3 to?
Upgrade to BIG-IP 21.1, the newest actively supported branch (supported until 5 May 2029).