![]() Since these are the same, we will concentrate on using command line examples based on tcpdump here, and allow users to determine how this can be achieved using the GUI or other utilities as needed - there are many online references available for Wireshark and other tools that are beyond the scope of this article. W hichever utility is used, the packet capture files that they generate are generally the same. Users often prefer either the command-line approach or the GUI version based on personal preference, or necessity - you may only have access to a command line interface for instance. These utilities generally create compatible (pcap format) log files that can be used in exactly the same way. The choice of whether to use a command line or GUI version of a packet capture utility is purely up to the individual user. We strongly recommend you read the user manuals when working with such utilities, since such coverage is beyond the scope of this simple article. Utilities that capture network traffic are extremely useful and powerful tools, but should be used with due consideration to their security implications as well as how these tools affect the overall performance of the machine it is being run on. In these cases, we recommend using a network packet capture utility, such as the popular command-line tcpdump, Wireshark GUI, or similar utilities. ![]() Looking at the network traffic may be the only way to really determine the root cause of the problem, since log files on both machines may not be correctly representing the problem, or perhaps only describe the symptoms. ![]() ![]() Often, when trying to diagnose connectivity issue when working with the LumenVox Media Server, or any application that uses network connectivity to interact with other servers, it can be helpful to check the network traffic that is going between machines.įor example, if one server or application does not respond appropriately to certain requests, it is possible the requests are not being correctly sent, or responses not being correctly received. ![]()
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