![]() I hope this clarifies why you LTE modem is not producing the information that you are interested in. Also, be sure to have the latest 3GPP LTE decoder installed and enabled within Wireshark. While packet capture tools like Wireshark can be used to inspect traffic in real-time, it’s more common to save captures to a file for later analysis. If you have access, then you can use Wireshark to read TCPdump captures or tap into the Ethernet traffic promiscuously and capture traffic within Wireshark. For the control plane traffic on the S1-MME interface (between the eNB and Mobility Management Entity (MME)), you need access to the service provider's internal network. ![]() To capture from the MAC layer and higher (Ethernet layer to IP/UDP/GTP-U/IP layers) then you would need access to the S1-U interface (between the eNB and Serving Gateway (S-GW)) for the user plane traffic. Wireshark includes filters, color coding, and other features that let you dig deep into network traffic and inspect individual packets. To capture all network activity, Wireshark must be started to listen our network interface during computer booting process and continue to capture packets until. The LTE modem is just the connection between the transceiver of the UE and the transceiver of the eNodeB or gNodeB (RRH or RU). Wireshark, a network analysis tool formerly known as Ethereal, captures packets in real time and display them in human-readable format. ![]() This is why you are not seeing the layer 2 protocol stack components (MAC, RLC, PDCP, RRC) for the radio communications between the UE and the eNodeB (base station controller or BBU). ![]() The source and destination columns show where we are getting the packets from and where it is going. The time column shows the time at which the packet was captured. The network packets captured will be listed below the other as a numbered list. ![]() You will need to make a direct USB connection to the mobile device from a PC or laptop and use the suite of Qualcomm tools If you are using a LTE modem, this will only be at the OSI lower layer 1 & any sublayers, primarily the physical layer (PHY). Wireshark is a network protocol analyzer, or an application that captures packets from a network connection, such as from your computer to your home office or. To capture network packets, open Wireshark, choose the networks, and click the capture button. To capture LTE packets from a UE (mobile cell phone), you can use the Qualcomm tools like the previous person mentioned. Hi I know this is an old post from roughly three (3) years ago but I thought I should weigh in anyhow. ![]()
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