Last Modified: Oct 19, 2025
Affected Product(s):
BIG_IP_NEXT(VE/HW) TMOS
Fixed In:
20.3.0
Opened: Jun 17, 2024 Severity: 1-Blocking
Traffic flow does not work as expected when a new TLS instance is added to an existing application.
Traffic flow does not work as expected
1. Create default SSL certificate and custom certificate from Central Manager UI. 2. Deploy an https application and validate LTM traffic with default certificate. Edit the application to add new certificate for TLS instance under protocols and profiles. 4. Add the imported certificate (custom cert) using "enable https client side" 5. Save the application with new TLS settings and certificate added. 6. Click on Review and deploy. 7. Validate the changes done on application. 8. If validation is successful. Click on deploy application
Suggested Workarounds: 1. Delete the existing cert in the UI and recreate the same certificate (either before or after adding new certificate) and save the application. 2. Use API with multiCerts to true for each certificate block.
None