With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoDlswCircuitS1IfIndex
cisco Data Link Switching Circuit S1 If Index
1.3.6.1.4.1.9.10.9.1.5.2.1.3
The IfEntry index of the local interface through which S1 can be reached.
Back to CISCO-DLSW-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoDlswCircuitS1IfIndex 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.