With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
tacacsAuthKey
tacacs Authentication Key
1.3.6.1.4.1.9.5.1.16.8
between the TACACS+ server and the client. This key must match the one configured on the server. Note that this item is only accessible when using the community string defined in sysCommunityRwa.
Back to CISCO-STACK-MIB MIB page.
IPHost Network monitor allows you to monitor tacacsAuthKey on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.
