HP-UX AAA Server A.08.02 Administrator's Guide

23 Simple Network Management Protocol (SNMP) Support
Simple Network Management Protocol (SNMP) Support provides a mechanism for a centrally
located management workstation to monitor the activity of remote computers and network services.
An SNMP management framework includes the following:
• SNMP management workstation that requests information
• Master agent that handles and responds to the requests
• Application-specific subagent that translates the SNMP requests for and responses from the
application
The HP-UX AAA Server includes an SNMP application subagent. At startup, the server automatically
activates its SNMP subagent and the subagent registers the application with the master agent. The
HP-UX AAA server can exchange information with any SNMP master agent software that supports
the AgentX protocol. See RFC 2741 for more information about the AgentX protocol.
Information exchanged through SNMP is represented by objects in the Managed Information Base
(MIB). The MIB is defined by the IETF for use with network protocols in the Internet community. The
MIB includes extensions for RADIUS authentication and accounting servers which are supported
by the HP-UX AAA Server. See Chapter 35: “MIB Objects” (page 417) for more information.
IMPORTANT: The SNMP application sub-agent supports only IPv4 clients. In a mixed environment
(comprising of IPv4 and IPv6 clients), the sub-agent can return information on the IPv4 clients only.
Information on the IPv6 clients will not be returned.
Setting Up SNMP to Monitor the HP-UX AAA Server
Use the following steps to set-up an SNMP workstation to monitor the HP-UX AAA Server:
1. Install and start up an SNMP manager and master agent on the SNMP workstation. You will
need to copy the SNMP configuration file, iaaaAgent.conf, to the/usr/local/share
directory on the SNMP workstation. The SNMP master agent that you use must support and
be configured for the AgentX protocol.
2. After you have installed the AAA Server, load the RADIUS MIB files (included with the server)
into the SNMP manager according to your SNMP managers instructions.
3. Enter http://IP-Address:Port/aaa as the URL (or https://IP-Address:Port/aaa
for HTTPS) in an Internet browser to access the Server Manager graphic interface. IP-Address
is the machine that hosts the managers program. Port is the port used by the Server Manager
program for communication. By default the value is 8081 (8443 for HTTPS). If you are
prompted for a user name and password, you must enter the values specified during installation.
4. From the navigation tree, click Server Properties.
5. On the Server Properties screen that appears, select SNMP Properties.
6. On the SNMP Server Properties screen that appears, select the Yes radio button and click
Modify.
7. From the navigation tree, click Save Configuration.
8. From the navigation tree, click Administration.
9. Click Start.
If the server successfully starts, a green GO icon appears next to the name of the server in the
Status Frame (in the lower left corner of the programs interface). The AAA subagent will check
the appropriate sockets and TCP ports for an active master agent. When the subagent detects
the running master agent, it will register with the master agent, and you can begin to send
SNMP requests from the workstation to the server.
282 Simple Network Management Protocol (SNMP) Support