Description:
This method is the checksum defined in RFC 793 for TCP. See Pg 16-17 for an explanation. Note: If the input field is 0, then we bypass the check. We assume the field wasn't set.
Parameters:
|
[Required] |
Field |
"IP Source Addr" |
|
|
[Required] |
Field |
"IP Dest Addr" |
|
Example:
FIELD chksum (Fixed 2) (Hex) IN_SUMMARY Checksum "Checksum" VERIFY (TcpChecksum source_ip dest_ip)