With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
promL2AddressEntry
prom L2 Address Entry
1.3.6.1.4.1.2167.5.1.4.1.1.1
A particular address table entry.
Back to PROMINET-MIB MIB page.
IPHost Network monitor allows you to monitor promL2AddressEntry 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.