GTP-U Protocol
This page provides information on the GTP-U Protocol detected by the Netify DPI engine. The protocol operates on TCP port 3386 and UDP port 3386, both officially registered with the IANA.
Protocol Description
The GPRS Tunnelling Protocol (GTP) is a group of IP-based communications protocols used within GSM, UMTS, LTE and 5G NR radio networks. GTP-U is used to carry user data inside mobile networks.
Please see the protocol catalog page for information on other protocols detected by Netify DPI.
Protocol Details
- ID
- 274
- Full Name
- GPRS Tunnelling Protocol U
- Abbreviation
- GTP-U
- Category Tag
- infrastructure
- Category
- Infrastructure
- Home Page
- GTP-U
- Introduced
- Version 4.1.1
Protocol Ports - RFC
- TCP 3386
- GPRS Data
- UDP 3386
- GPRS SIG
Related Protocols
Review the Infrastructure category suite below, or explore the complete protocol catalog.