With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
ripSysInstance
rip Sys Instance
1.3.6.1.4.1.23.2.20.1.1.1.1
which this row corresponds. This value links the instance of RIP to an instance of IPX running on the system (i.e. the value of ripSysInstance should be the same as a value of ipxSysInstance). This value may be written only when creating a new entry in the table.
Back to ibm-novell-rip-sap MIB page.
IPHost Network monitor allows you to monitor ripSysInstance on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM computers right now.