With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cGgsnOptIeInvalidMsgs
Cisco Ggsn Opt Ie Invalid Messages
1.3.6.1.4.1.9.9.240.1.1.44
The number of GTP messages received with an information element that contains a value that is not within the defined range for that IE. GTP messages with invalid optional IEs are processed as if the IE was not present.
Back to CISCO-GGSN-MIB MIB page.
IPHost Network monitor allows you to monitor cGgsnOptIeInvalidMsgs on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.