Operation Manual – AAAH3C S3100 Series Ethernet Switches Chapter 2 AAA Configuration2-37z The communication links (physical/link layer) between the switch and the RADIUSserver is disconnected/blocked — Take measures to make the linksconnected/unblocked.z None or incorrect RADIUS server IP address is set on the switch — Be sure to seta correct RADIUS server IP address.z One or all AAA UDP port settings are incorrect — Be sure to set the same UDPport numbers as those on the RADIUS server.Symptom 3: The user passes the authentication and gets authorized, but theaccounting information cannot be transmitted to the RADIUS server.Possible reasons and solutions:z The accounting port number is not properly set — Be sure to set a correct portnumber for RADIUS accounting.z The switch requests that both the authentication/authorization server and theaccounting server use the same device (with the same IP address), but in fact theyare not resident on the same device — Be sure to configure the RADIUS serverson the switch according to the actual situation.2.6.2 Troubleshooting HWTACACS ConfigurationSee the previous section if you encounter an HWTACACS fault.
