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In this section:
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Use the TShark tool to analyze the network issues by capturing the packet traces. These captured packets are saved as .pcap files and Wireshark reads these packet traces.
To protect the system from overload, TShark captures one packet trace at a time.
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The TShark 1.8 is the latest supported version. |
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Ensure that Wireshark application is installed and configure appropriately before proceeding. |
Capture Packet Trace
On the main SBC screen, go to Troubleshooting > Troubleshooting Tools > TShark. The Run TShark Trace window is displayed.
Figure 1: Run TShark Trace
The following fields are displayed.
Table 1: TShark Trace Parameters
| Parameter | Description |
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Platform Interfaces | Drop-down list of different platform interfaces available for capturing the packet traces. |
Niceness | Option to run TSHARK with different Niceness levels. Allows you to perform troubleshooting during peak hours. The Niceness option displays as a drop-down with the range -20 to 19. If you change the Niceness value from the default value (19), a warning message displays indicating that running the TSHARK with a different Niceness value can impact the system's performance. |
Filter | Optional field to enter a TShark filter. For example, to capture the ppkt2 interface traffic (media signaling) to and fro IP address 172.18.5.4, enter host 172.18.5.4. |
| Option to enter the name of the packet trace to be saved. |
| Specifies the status of the packet trace. |
Start a Trace
For Platform Interface, choose the desired value from the Platform Interface drop-down list.
Select the Niceness value from the drop-down.
Info title Note When the default Niceness value is changed and the trace is started, a warning message shown in the figure below displays.
(Optional) For Filter, enter a valid Tshark filter syntax.
For Save log file as, enter the log file name.
Click Start Trace.
Status is updated to Trace Running.
- Proceed to next section to stop and save the trace file.
Stop and Save Trace
Click Stop and Save Trace. The status is updated to Trace saved to a file
<filename>.pcapwhere<filename>is the name of the saved log file.
To view the TShark log files, go to Troubleshooting > Call Trace/Logs/Monitors > Log Management. Select T-Shark from the list to view the logs. Refer to Log Management for more information.
Info title Note T-Shark option is not available under the list until at least one trace is started, stopped and saved.
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