Radtest is a tool that is part of the FreeRadius server package that can be installed with HomeBrew on macOS: https://formulae.brew.sh/formula/freeradius-server
Install command:
brew install freeradius-serverOnce installed, you can run the command like this:
radtest lscaringella “passwordhere” [server IP here] 10 [secret here]
Depending on the Radius server, you may have to ensure that your machine that you are testing from is added as a trusted Radius client on the server.