With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
atmVcCrossConnectHighVpi
Cisco ATM Vc Cross Connect High Virtual Path Identifier
1.3.6.1.2.1.37.1.11.1.6
The VPI value at the ATM interface associated with the VC cross-connect that is identified by atmVcCrossConnectHighIfIndex.
Back to ATM-MIB MIB page.
IPHost Network monitor allows you to monitor atmVcCrossConnectHighVpi on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.