Radius monitor

Monitor description

Radius is a network protocol that provides authentication, access and accounting for computers that want to connect to a network. Radius is often used to provide access to wireless networks. All tests are performed using SNMP get requests, consult your Radius server documentation to find out if your Radius server responds to SNMP requests by default or if you have to configure this feature.

Note: The system hosting the Network Monitor server must have the Windows SNMP Service running to use SNMP monitoring. Any community specified by Network Monitor for monitoring must also be specified by the SNMP Service on the host machine. See Installation Checklist.

• System type: All
• Category: Network services

Access-Request data section

Monitor specific properties

These fields are required to connect to the Radius server to perform configured tests.

• Secret - Pre-shared secret word used to encrypt all passwords sent to Radius server for authentication.
• Logon account - The logon account contains the credentials to use when authenticating with the Radius server.

Performance monitoring options

Each test is performed in the scope of a time span. The time span is denoted in seconds.

• Max invalid auth requests - The maximum allowed number of access request packets received from an unknown address during the time span defined by the field below. The test fails if the number exceeds this value. Leave the field blank to not perform this test.
• Max accounting requests - The number of accounting request packets received from an unknown address during the time span defined by the field below. The test fails if the number exceeds this value. Leave the field blank to not perform this test.
• Max total access rejects - The maximum number of access rejected packets sent during the time span defined by the field below. Leave the field blank to not perform this test.

Comparison options

In addition to the above tests a customized SNMP get request can be made. The result of the request can be compared to a predefined value using a compare operation.

• Radius compare OID - An OID relative to the base Radius OID (.1.2.6.1.2.1.67 or .iso. org.dod.internet.mgmt.mib-2.radiusMIB) that can be requested for each test and compared with a predefined compare value. Leave the field blank to not perform this test.
• Compare value - Value to compare the query result with.
• Value type - Type of value that is compared with the retrieved value from the database.
• Operation - Operation to evaluate the returned query result and the compare value to determine if the test succeeded or failed.