With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
caclInLastUnknVci
Cisco ATM cell layer In Last Unkn Vci
1.3.6.1.4.1.9.9.133.1.2.1.1.8
The last unknown Vci value. This object is valid only if 'caclInVpiVciErrCells' is non-zero.
Back to CISCO-ATM-CELL-LAYER-MIB MIB page.
IPHost Network monitor allows you to monitor caclInLastUnknVci 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.