Last Modified: Jun 13, 2026
Affected Product(s):
BIG-IP All, Install/Upgrade
Known Affected Versions:
15.1.10.8, 16.1.6.1, 17.1.3, 17.1.3.1, 17.5.1.3, 17.5.1.4, 17.5.1.5, 21.0.0, 21.0.0.1
Fixed In:
17.5.1.6, 17.1.3.2
Opened: Nov 14, 2025 Severity: 1-Blocking
-- F5optics v1.0.0 packages released in November 2025 (build 66.0) or later cannot be installed on BIG-IP or BIG-IQ versions released during November 2025 or earlier. -- If F5optics v1.0.0 packages prior to build 67.0 (January 2026) are included in an Engineering Hotfix, the F5optics v1.0.0 package will not be upgraded successfully.
-- You cannot install the latest f5optics v1.0.0 package. -- You may not be able to update the f5optics v1.0.0 package when included in an Engineering Hotfix.
This may occur under the following conditions: -- Attempting to install an updated f5optics v1.0.0 package build 66.0 (November 2025) or later, on a BIG-IP or BIG-IQ version released November 2025 or earlier. -- Installing an Engineering Hotfix containing F5optics v1.0.0 package build 66.0 or earlier.
None
F5optics v1.0.0 packages released in November 2025 (build 66.0) or later can now be successfully installed. F5optics v1.0.0 packages released in January 2026 (build 67.0) or later can now be successfully installed via an Engineering Hotfix.
BIG-IP and BIG-IQ releases with this fix will not allow installation of f5optics v1.0.0 packages prior to build 66.0.