Content for TS 29.274 Word version: 18.7.0
4 General
4.1 GTP Tunnel
4.2 Protocol stack
4.2.0 General
4.2.1 UDP header and port numbers
4.2.2 IP header and IP addresses
4.2.3 Layer 2
4.2.4 Layer 1
4.2.5 Messages with GTPv2 defined replies: Classification of Initial and Triggered Messages
4.3 Transmission Order and Bit Definitions
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4 General p. 19
4.1 GTP Tunnel p. 19
4.2 Protocol stack p. 19
4.2.0 General p. 19
4.2.1 UDP header and port numbers p. 20
4.2.1.0 General p. 20
4.2.1.1 Initial Messages p. 21
4.2.1.2 Triggered Messages p. 21
4.2.1.3 Piggybacked Messages p. 21
4.2.2 IP header and IP addresses p. 21
4.2.3 Layer 2 p. 23
4.2.4 Layer 1 p. 23
4.2.5 Messages with GTPv2 defined replies: Classification of Initial and Triggered Messages p. 23
4.3 Transmission Order and Bit Definitions p. 24
