[B<-msg>]
[B<-timeout>]
[B<-mtu> I<size>]
+[B<-no_etm>]
[B<-keymatexport> I<label>]
[B<-keymatexportlen> I<len>]
[B<-msgfile> I<filename>]
Set MTU of the link layer to the specified size.
+=item B<-no_etm>
+
+Disable Encrypt-then-MAC negotiation.
+
=item B<-keymatexport> I<label>
Export keying material using the specified label.