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-rw-r--r--doc/editcap.pod8
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/editcap.pod b/doc/editcap.pod
index f8efcb774d..bd5ea6913a 100644
--- a/doc/editcap.pod
+++ b/doc/editcap.pod
@@ -30,6 +30,7 @@ S< B<-d> > |
S< B<-D> E<lt>dup windowE<gt> > |
S< B<-w> E<lt>dup time windowE<gt> >
S<[ B<-v> ]>
+S<[ B<-I> E<lt>bytes to ignoreE<gt> ]>
I<infile>
I<outfile>
@@ -165,6 +166,13 @@ be created with a suffix -nnnnn, starting with 00000. If packets for the specifi
time interval are written to the output file, the next output file is
opened. The default is to use a single output file.
+=item -I E<lt>bytes to ignoreE<gt>
+
+Ignore the specified bytes number at the beginning of the frame during MD5 hash calculation
+Useful to remove duplicated packets taken on several routers(differents mac addresses for example)
+e.g. -I 26 in case of Ether/IP/ will ignore ether(14) and IP header(20 - 4(src ip) - 4(dst ip)).
+The default value is 0.
+
=item -L
Adjust the original frame length accordingly when chopping and/or snapping