With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
ripInterfaceSplitHorizon
rip Interface Split Horizon
1.3.6.1.4.1.81.31.1.4.1.3
Whether to activate Poison Reverse algorithm, Split Horizon or none of them, on this interface
Back to CROUTE-MIB MIB page.
IPHost Network monitor allows you to monitor ripInterfaceSplitHorizon on Avaya device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Avaya IP phones right now.