convert .p7b certs to .cer format

 use the following command 

first export the cert into .p7b with full chain

and after that use the following command to change the .p7b to .cer (PEM) format, openssl can be used on any linux box.

openssl pkcs7 -inform DER -outform PEM -in erpdummy-full-chain.p7b -print_certs > erpdummy.cer

Using Load Balancers with Oracle E-Business Suite Release 12.2 (Doc ID 1375686.1)

 Using Load Balancers with Oracle E-Business Suite Release 12.2 

Please check the Oracle support (Doc ID 1375686.1)