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Table of Contents

FortiOS Carrier

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GTP-C messages

GTP-C contains the networking layer messages. These address routing, versioning, and other similar low level issues.

For GTPv0 and GTPv1, when a subscriber requests a Packet Data Protocol (PDP) context, the SGSN will send a create PDP context request GTP-C message to the GGSN giving details of the subscriber's request. The GGSN will then respond with a create PDP context response GTP-C message which will either give details of the PDP context actually activated or will indicate a failure and give a reason for that failure. This is a UDP message on port 2123.

GTP-C message types include Path Management Messages, Location Management Messages, and Mobility Management Messages.

GTP-C messages

GTP-C contains the networking layer messages. These address routing, versioning, and other similar low level issues.

For GTPv0 and GTPv1, when a subscriber requests a Packet Data Protocol (PDP) context, the SGSN will send a create PDP context request GTP-C message to the GGSN giving details of the subscriber's request. The GGSN will then respond with a create PDP context response GTP-C message which will either give details of the PDP context actually activated or will indicate a failure and give a reason for that failure. This is a UDP message on port 2123.

GTP-C message types include Path Management Messages, Location Management Messages, and Mobility Management Messages.