With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cGgsnExtTraceStatusSource
cisco Gateway GPRS Support Node Ext Trace Status Source
1.3.6.1.4.1.9.9.647.1.3.7.1.3
This object indicates the source through which an equipment trace has activated on the gateway for a subscriber. 'signaling' - tracing has been activated by gtp signaling messages. 'management' - tracing has been activated by the user directly on the gateway using a gateway management tool.
Back to CISCO-GGSN-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cGgsnExtTraceStatusSource 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.