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Over the past week, some users have encountered an error code with the UDP header “Calculate Checksum”. This problem can arise for several reasons. We will talk about this below. The UDP checksum is performed for the entire payload and for other fields in the entire header, as well as for some fields originating from the IP header. A pseudo-header is generated randomly from an IP header to execute a formula (which is executed using this pseudo-header, UDP header, and payload).
How To Calculate Short UDP Checksum
Where is UDP checksum calculated?
Usually the UDP checksum is optional. It is calculated for the header and data after adding a pseudo-header consisting of the source-destination IP addresses and the operating protocol string (0x11) plus the total distance field.