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CHAPTER
5-1
Cisco Access Registrar 3.5 Concepts and Reference Guide
OL-2683-02
5
Understanding SNMP
This chapter provides information about Cisco Access Registrar support for SNMP.
Overview
Cisco Access Registrar 3.0 provides SNMP MIB and trap support for users of network management
systems. The supported MIBs enable the network management station to collect state and statistic
information from an Cisco AR server. The traps enable Cisco AR to notify interested network
management stations of failure or impending failure conditions.
Cisco Access Registrar supports the MIBs defined in the following RFCs:
• RADIUS Authentication Client MIB, RFC 2618
• RADIUS Authentication Server MIB, RFC 2619
• RADIUS Accounting Client MIB, RFC 2620
• RADIUS Accounting Server MIB, RFC 2621
Cisco Access Registrar 3.0 MIB support enables a standard SNMP management station to check the
current state of the server as well as the statistics on each client or each proxied remote server.
Cisco Access Registrar 3.0 Trap support enables a standard SNMP management station to receive trap
messages from an Cisco AR server. These messages contain information indicating that either the server
was brought up or down, or that the proxied remote server is down or has come back online.
Supported MIBs
The MIBs supported by Access Registrar enable a standard SNMP management station to check the
current state of the server and statistics for each client or proxied remote server.
RADIUS-AUTH-CLIENT-MIB
The RADIUS-AUTH-CLIENT-MIB describes the client side of the RADIUS authentication protocol.
The information contained in this MIB is useful when an Cisco AR server is used as a proxy server.