Jacob , thanks for the reply .
I understand that , what I am after is if I load a version of code on the c25 ( .pfe extension ) and it all performs as expect .. ( test enviroment ) can I then load the correct verion of code on a c5210 HA with a .rue extension ( live network ) and expect it to operate as the test unit .. or to make sure there are no issues or bugs between the 2 versions do I need a c5210 in the test enviroment , to replicate .
So the question is , is the basic software and bugs the same for the c25 and the c5210 other than AP capacity .. oh ! and HA..