/etc/raddb# cat proxy.conf
proxy server {
    default_fallback = no
}

home_server DHCP001 {
    type = auth
    ipaddr = 10.44.16.110
    port = 1812
    secret = <redacted>
    require_message_authenticator = yes
    response_window = 5
    zombie_period = 20
    status_check = request
    username = "status_check_from_radius_server1"
    password = "no_password_reject_me"
    check_interval = 30
    num_answers_to_alive = 3
    max_outstanding = 65536
}

#home_server DHCP002 {
#    type = auth
#    ipaddr = <%NPS_IP_ADDRESS%>
#    port = 1812
#    secret = <redacted>
#    require_message_authenticator = yes
#    response_window = 5
#    zombie_period = 20
#    status_check = request
#    username = "status_check_from_radius_server2"
#    password = "no_password_reject_me"
#    check_interval = 30
#    num_answers_to_alive = 3
#    max_outstanding = 65536
#}

#home_server localhost {
#    virtual_server = failover_to_local_eap
#}

home_server_pool NPS_server_pool {
    type = client-balance
    home_server = DHCP001
#    home_server = DHCP002
}

realm my.domain.org {
    nostrip
    auth_pool = NPS_server_pool
}