ask: how to upgrade cambium epmp firmware from cns server

why if i want to upgrade epmp firmware from cns server always failed. anyone can help me?

Hi Febrian,

When selecting packages to use with the CNS Server, only the files ending in tar.gz should be used. Files ending in pkg3 are to be used only for the CNUT application.

Here is the link for the user guide: 


you can find all the details along with the screen-shots on page no 24 and 27.

In case you need any further assistance, please feel free to contact us on