This is useful for testing radius packets: This will craft and send a radius packet and can be used to test if AMP is setup correctly.
# /usr/bin/radclient -f /tmp/rad -c 1 -r 2 -t 1 -x 127.0.0.1 acct secret
/tmp/rad is a file for a test radius packet. You could use anything from a customer. Here's some sample data that I was using back in the day: