With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cGtpTotalDeletedPDPs
Cisco GPRS Tunneling Protocol Total Deleted PD Ps
1.3.6.1.4.1.9.9.188.1.3.4.1.19
This object represents the number of PDPs deleted since system is up.
Back to CISCO-GTP-MIB MIB page.
IPHost Network monitor allows you to monitor cGtpTotalDeletedPDPs on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.