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TCP checksum (tcpcs)

Description

Returns the checksum value of a TCP segment. This value is used for error checking of the header and data.

How does it work in the search window?

Select Create field in the search window toolbar, then select the TCP checksum operation. You need to specify one argument:

Argument

Data type

Argument

Data type

Packet mandatory

packet

The data type of the values in the new field is integer.

How does it work in LINQ?

Use the operator select... as...  and add the operation syntax to create the new field. This is the syntax for the TCP checksum operation:

  • tcpcs(packet)