With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
cjnAtPortIfIndex
Cajun At Port If Index
1.3.6.1.4.1.52.4.43.2.4.11.2.1.10
The physical interface associated with this Appletalk port. The interface identified by a particular value of this index is the same interface as identified by the same value of ifIndex.
Back to APPLETALK-PRIVATE-MIB MIB page.
IPHost Network monitor allows you to monitor cjnAtPortIfIndex 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.