Error events and understanding them
In this recipe, we will get into error and event types, checksum errors, malformed packets, and other types of errors, and what we can understand from them.
Getting ready
Start capturing or open an existing file, and then start the Expert Infos window.
How to do it...
From the Analyze menu, open Expert Infos by clicking on Expert Info.
Click on the Errors: bar (should be opened as default). You will get the following window (all events are examples):
In the preceding window, you can see the following two types of errors:
Checksum errors: These can be in Ethernet, IP, or other protocols. In this case, it can be because of real errors or offload.
Malformed packets: These are usually in the application protocols. In this case also, it can be due to a real problem or a dissector error.
How it works...
Checksum is an error-checking mechanism that uses a byte or a sequence of bytes inserted in the packet in order to implement a frame verification algorithm. The principle...
