With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cGgsnExtRcvdSuccPdpUpdateResponses
cisco Gateway GPRS Support Node Ext Received Succ Pdp Update Responses
1.3.6.1.4.1.9.9.647.1.1.4
This object represents the total number of update PDP context responses received from the SGSN for the GGSN initiated update requests.
Back to CISCO-GGSN-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cGgsnExtRcvdSuccPdpUpdateResponses 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.