With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cGgsnStatusGroup
Cisco Ggsn Status Group
1.3.6.1.4.1.9.9.240.3.2.5
A collection of objects representing status on GGSN.
Back to CISCO-GGSN-MIB MIB page.
IPHost Network monitor allows you to monitor cGgsnStatusGroup 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.