With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ospfVirtIfAuthType
ospf Virtual If Authentication Type
1.3.6.1.2.1.14.9.1.11
The authentication type specified for a virtual interface. Note that this object can be used to engage in significant attacks against an OSPF router.
Back to OSPF-MIB MIB page.
IPHost Network monitor allows you to monitor ospfVirtIfAuthType on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.