With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
cjnDdpShortDDPErrors
Cajun Ddp Short DDP Errors
1.3.6.1.4.1.52.4.43.2.4.10.1.12
The total number of input DDP datagrams dropped because this entity was not their final destination and their type was short DDP.
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IPHost Network monitor allows you to monitor cjnDdpShortDDPErrors 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.