With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
atmVclVpi
Cisco ATM Vcl Virtual Path Identifier
1.3.6.1.2.1.37.1.7.1.1
The VPI value of the VCL.
Back to ATM-MIB MIB page.
IPHost Network monitor allows you to monitor atmVclVpi 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.