With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
cjnIpxOutNoRoutes
Cajun Ipx Out No Routes
1.3.6.1.4.1.52.4.43.2.3.4.13
The number of times an IPX packet, either received or supplied locally for transmission, could not be transmitted because no route to the destination was found.
Back to IPX-PRIVATE-MIB MIB page.
IPHost Network monitor allows you to monitor cjnIpxOutNoRoutes 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.