With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cevcSIIndex
Cisco Ethernet Virtual Connection SI Index
1.3.6.1.4.1.9.9.613.1.4.1.1.1
This object indicates an arbitrary integer-value that uniquely identifies a service instance. An implementation MAY assign an ifIndex-value assigned to the service instance to cevcSIIndex.
Back to CISCO-EVC-MIB MIB page.
IPHost Network monitor allows you to monitor cevcSIIndex 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.