With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
caviEntry
Cisco ATM Virtual Interface Entry
1.3.6.1.4.1.9.9.129.1.1.1.1
An entry in the caviTable table for each ATM virtual interface. An entry in this table can only be created if values for all objects in a row are provided. The caviVpiNum object is applicable only to interfaces of caviIfType vnni (3) or vuni (4). The caviMinVpiNum and caviMaxVpiNum are applicable only to interfaces of caviIfType evuni(5) or evnni(6).
Back to CISCO-ATM-VIRTUAL-IF-MIB MIB page.
IPHost Network monitor allows you to monitor caviEntry 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.