IasParse Syntax

iasparse [-f:filename] [-p] [-v] [-?]

Where:

-f:filename: parses the file filename. By default, IasParse parses the file %windir%\system32\logfiles\iaslog.log
-p: sends output directly to display. Sets the log file directory in the IAS snap-in to \\.\pipe.
-v: displays the description associated with attributes in the log file.
For example, for this attribute:
Client-Vendor : VENDOR
it shows this description:
Manufacturer of RADIUS proxy or NAS. (IAS only)
-?: displays a syntax screen at the command prompt.