With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
ethGroupSingleBusMode
eth Group Single Bus Mode
1.3.6.1.4.1.81.12.2.1.1.9
Value 'on of this attribute defines bus-star mode for cards supporting this type of configuration.
Back to MODULES-MIB MIB page.
IPHost Network monitor allows you to monitor ethGroupSingleBusMode on Avaya device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Avaya routers right now.