What is loop in Wireshark?

A network loop occurs when there is more than one path exists between the source and destination. Consider the figure below, in which two switches are connected to each other with multiple path.

How do I see packet data in Wireshark?

You can easily find packets once you have captured some packets or have read in a previously saved capture file. Simply select Edit → Find Packet… ​ in the main menu. Wireshark will open a toolbar between the main toolbar and the packet list shown in Figure 6.12, “The “Find Packet” toolbar”.

How do I capture IP packets in Wireshark?

Capturing Data Packets on Wireshark You can select one or more of the network interfaces using “shift left-click.” Once you have the network interface selected, you can start the capture, and there are several ways to do that. Click the first button on the toolbar, titled “Start Capturing Packets.”

What causes a network loop?

A network loop occurs when a network has more than one active path carrying information from the same source to the same destination. The information loops and amplifies itself using the additional path instead of stopping when it reaches its destination.

What is network loop?

How do I filter packets in Wireshark?

To only display packets containing a particular protocol, type the protocol name in the display filter toolbar of the Wireshark window and press enter to apply the filter. Figure 6.8, “Filtering on the TCP protocol” shows an example of what happens when you type tcp in the display filter toolbar.

How do you avoid network loops?

The Spanning Tree Protocol (STP) is a network protocol that is used to eliminate bridge loops in Ethernet LANs. STP prevents network loops and associated network outage by blocking redundant links or paths. The redundant paths can be used to keep the network operational if the primary link fails.