With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
promBridgeStpRootPort
prom Bridge Stp Root Port
1.3.6.1.4.1.2167.5.1.2.1.1.10
The port number with the lowest cost path to the root bridge. See dot1dStpRootPort.
Back to LUCENT-CAJUN-SWITCH-MIB MIB page.
IPHost Network monitor allows you to monitor promBridgeStpRootPort 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.