GTP logs are event-based logs that include
information on a wide range of GTP attributes, including GTP event
type, GTP message type, GTP event code, GTP interface, Tunnel ID, IMSI,
the end-user IP address, in addition to TCP/IP information that
the next-generation firewall identifies, such as application, source
and destination address, and timestamp. GTP logs, along with traffic, threat,
URL filtering, and WildFire
®
Submissions logs (if you
have enabled GTP-U content inspection), give you visibility into
the data (IP packet encapsulated in GTP-U packet) traffic generated by
individual mobile subscribers.