With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ctsvDownloadServerListServerCount
ctsv Download Server List Server Count
1.3.6.1.4.1.9.9.741.1.4.1.1.3
This object indicates the number of servers within the downloaded server list.
Back to CISCO-TRUSTSEC-SERVER-MIB MIB page.
IPHost Network monitor allows you to monitor ctsvDownloadServerListServerCount 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.