With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cslbxStatsFtpConns
Cisco Server Load Balancing Stats Ftp Conns
1.3.6.1.4.1.9.9.254.1.1.1.1.11
The number of connections made to virtual servers with the FTP service.
Back to CISCO-SLB-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cslbxStatsFtpConns on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.