Lucent Technologies Ethereal manual Encap type, Capture type, Snaplen, Time adjustment, Outfile

Related command line tools

-h	This option provides help.
-v	This option specifies verbose operation. The default is silent
	operation.
-T {encap type}	This option specifies the frame encapsulation type to use.
	It is mainly for converting funny captures to something that
	Ethereal can deal with.
	The default frame encapsulation type is the same as the input
	encapsulation.
-F {capture type}	This option specifies the capture file format to write the out-
	put file in.
	The default is libpcap format.
-s {snaplen}	Specifies that packets should be truncated to {snaplen} bytes
	of data.
-t {time adjustment}	Specifies the time adjustment to be applied to selected pack-
	ets.
{infile}	This parameter specifies the input file to use. It must be
	present.
{outfile}	This parameter specifies the output file to use. It must be
	present.
[record#[-][record# ...]]	This optional parameter specifies the records to include or ex-
	clude (depending on the -roption. You can specify individual
	records or a range of records.

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