BIG-IP 21.1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
BIG-IP 21.1 is actively supported. It reaches end of life on 5 May 2029.
1,000 days of security support left
21.1.0 latest release
9% of this branch's supported lifetime has elapsed — 5 May 2026 → 5 May 2029.
Check your versionshow /sys version
Support timeline
Official dates from the BIG-IP release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 5 May 2026 | — |
| End of life (scheduled) | 5 May 2029 | in 1,000 days |
| Latest release | 21.1.0 · 5 May 2026 | current |
How much runway a newer branch buys
BIG-IP 21.1 is the newest branch — this is the longest runway currently available.
| Branch | End of life | Days left | vs 21.1 |
|---|---|---|---|
| BIG-IP 21.1 | 5 May 2029 | 1,000 | this branch |
| BIG-IP 17.5 | 1 Jan 2029 | 876 | -124 days |
| BIG-IP 17.1 | 31 Mar 2027 | 234 | -766 days |
Frequently asked questions
When does BIG-IP 21.1 reach end of life?
BIG-IP 21.1 reaches end of life on 5 May 2029 — 1,000 days from now. After that date it receives no security fixes.
Is BIG-IP 21.1 still supported?
Yes. BIG-IP 21.1 is currently maintained. Latest release: 21.1.0, published 5 May 2026.
What happens when BIG-IP 21.1 reaches end of life?
Security fixes stop. After 5 May 2029 this branch receives no further updates under standard support.
How long do I have to upgrade from BIG-IP 21.1?
1,000 days. This is already the newest branch, so this is the longest runway currently available.
All BIG-IP versions
21.1 supported 21.0 EOL 2026 17.5 supported 17.1 supported 17.0 EOL 2023 16.1 EOL 2025 16.0 EOL 2021 15.1 EOL 2024 15.0 EOL 2020 14.1 EOL 2023 14.0 EOL 2019 13.1 EOL 2023 13.0 EOL 2019 12.1 EOL 2022 12.0 EOL 2017 11.6 EOL 2022 11.5 EOL 2020 11.4 EOL 2017 11.3 EOL 2015 11.2 EOL 2018 11.1 EOL 2014 11.0 EOL 2014 10.2 EOL 2016 10.1 EOL 2016 10.0 EOL 2013 9.6 EOL 2012 9.4 EOL 2013 9.3 EOL 2012 9.2 EOL 2008 9.1 EOL 2009 9.0 EOL 2007