From the home page, click the Configurations tab.
In the Configuration page, click the configuration that you want to enable the PKCS#11 and Allow Bypass option.
Click the Certificates tab.
Click the PKCS#11 Tokens sub tab.
In General Settings, select the check boxes to enable PKCS#11 and Allow Bypass.
Click the Save button.
See CLI reference, set-pkcs11-prop(1).