With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cevcEvcIndex
Cisco Ethernet Virtual Connection Evc Index
1.3.6.1.4.1.9.9.613.1.3.1.1.1
This object indicates an arbitrary integer-value that uniquely identifies the EVC.
Back to CISCO-EVC-MIB MIB page.
IPHost Network monitor allows you to monitor cevcEvcIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.