Switch 7700 Configuration Guide, v2

262 CHAPTER 9: AAA AND RADIUS OPERATION
RADIUS packet cannot be transmitted to RADIUS server.
1 The communication lines (on physical layer or link layer) connecting NAS and
RADIUS server may not work well.
2 The IP address of the corresponding RADIUS server may not have been set on NAS.
Set a proper IP address for RADIUS server.
3 UDP ports of authentication/authorization and accounting services may not be set
properly. Make sure they are consistent with the ports provided by RADIUS server.
After being authenticated and authorized, the user cannot send charging
bill to the RADIUS server.
1 The accounting port number may be set improperly. Set a proper number.
2 The accounting service and authentication/authorization service are provided on
different servers, but NAS requires the services to be provided on one server (by
specifying the same IP address). Make sure the settings of servers are consistent
with the actual conditions.