With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
cjnOspfIfMd5KeyFlags
Cajun Ospf If Md5 Key Flags
1.3.6.1.4.1.52.4.43.2.9.3.1.18
flags used for type 2 authentication on an OSPF interface
Back to OSPF-PRIVATE-MIB MIB page.
IPHost Network monitor allows you to monitor cjnOspfIfMd5KeyFlags 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.