Cellular traffic details

This topic provides quick access to all information you can display when expanding cellular packets and reports in Wireless Logger. For more information, see Expanding packets.

Session creation

MType: Session Creation This is an uplink packet when the device successfully connects to the eNodeB/Core network. It means that the device is successfully registered to the network.

It is created in the last step of the LTE Attach procedure when the SGW of the operator's core network sends a session creation request to the MTC-LTE-GW within the EPC connector. Then, the EPC connector forwards it to the LRC within ThingPark Wireless.

Uplink payload

data This is the typical uplink UDP payload that is captured by the LRC when the device is doing uplink traffic in packet mode between itself and the application server.

Note The UDP source port is 7777 which classifies uplink UDP packet received by the MTC-LTE-GW as a message mode packet.

Downlink payload

data This is the typical downlink payload that is captured by the LRC when the application server is doing downlink traffic in message mode between itself and the device.

However, the device needs to always initiate the uplink traffic first with the application server before the application server can start any downlink traffic.

Session deletion

MType: Session Deletion This packet is received when the device detaches from the network for some reason. For example, when it loses connectivity or is switched off. It is sent from the MTC-LTE-GW to the LRC when receiving a session deletion request from the SGW.

Microflow report

This packet is sent from MTC-LTE-GW to TWA (through Kafka) whenever there is direct IP mode traffic. It is not the actual payload, but only the statistics of the traffic that passes through MTC-LTE-GW.