Watchguard XTM 2 Series, XTM 5 Series, XTM 8 Series – Fireware XTM OS 11.4.2 – CSP14 Build # 341765
11.4.2 – CSP14 Build # 341765 Resolves the following issues:
When upgrading a FireCluster the network interfaces failed to initialize properly
You can request 11.4.2 – CSP14 Build # 341765 from Watchguard Support by logging a support case online, they should then be able to provide an ftp download link and appropriate credentials.
Please note that Watchguard CSP releases are cumulative so you should only need to apply the latest to ensure that you also have any previous fixes.