hi, as Alan stated - your NAS doesnt seem to be getting the responses from your server. some ACL or routing issue? (stick a sniffer directly in front of the switch...if you need to, you may need to have a 'port mirror' or somesuch from the switch that feeds that switch if traffic is on a mgmt VLAN and .1q trunking is involved etc.
dont worry about the errors from the ./configure - unless you are using any of those technologies (postgresql, oracle, TNC or IKEv2) - your server is 'normal' alan - List info/subscribe/unsubscribe? See http://www.freeradius.org/list/users.html
