With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
lsPortExtendedStatsNumber
ls Port Extended Stats Number
1.3.6.1.4.1.81.19.3.3.6.1.1
The monitored port.The value of this item is: 16*(S-1)+P, where S is the slot number in the hub (1..16) and P the port within the slot (1..N).
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IPHost Network monitor allows you to monitor lsPortExtendedStatsNumber on Avaya device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Avaya routing switches right now.