With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
ethPortEntry
eth Port Entry
1.3.6.1.4.1.81.12.3.1.1
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IPHost Network monitor allows you to monitor ethPortEntry on Avaya device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Avaya switches right now.