The root Certificate Authority certificate proves that a Certificate Authority such as VeriSign or Entrus actually issued the digital server certificate you received. You install the root certificate on Load Balancer 3 to ensure that the link between the Load Balancer 3 SSL certificate can be maintained with the issuing company.
In the BIG-IP load balancer console, click Proxies.
Click the Cert-Admin tab.
Click the Import link.
In the Import Type field, choose Certificate, and then click Continue.
In the Install SSL Certificate page, in the Certificate File field, click Browse.
In the Choose File dialog, choose Browser.
Navigate to the file that includes the root CA Certificate, and click Open.
In the Certificate Identifier field, enter OpenSSL_CA_cert.
Click Install Certificate.
In the Certificate OpenSSL_CA_Cert page, click Return to Certificate Administration.
The new certificate OpenSSL_CA_Cert is now included in the Certificate ID list.