Other observation (different config): vi /etc/pam.d/sshd auth sufficient pam_radius_auth.so conf=/etc/pam_radius_auth.conf retry=3 ipv4=yes ipv6=no debug
Other observation (different config): pam_radius_ auth.conf retry=3 ipv4=yes ipv6=no debug
vi /etc/pam.d/sshd
auth sufficient pam_radius_auth.so conf=/etc/