With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cGgsnExtSubscriberTable
cisco Gateway GPRS Support Node Ext Subscriber Table
1.3.6.1.4.1.9.9.647.1.1.18
This table contains the details of the subscribers connected to the GGSN.
Back to CISCO-GGSN-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cGgsnExtSubscriberTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.