With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cwspInCrankbacks
cwsp In Crankbacks
1.3.6.1.4.1.351.140.1.2.5.1.1.9
This object shows the number of Crankback IEs received on this interface for incoming Point-to-Point(p2p) and Point-to-MultiPoint (p2mp) SVC/SPVC call attempts.
Back to CISCO-WAN-SVC-MIB MIB page.
IPHost Network monitor allows you to monitor cwspInCrankbacks 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.