Wireshark-bugs: [Wireshark-bugs] [Bug 10939] ICMP Parameter Problem message contains "Length of
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Fri, 13 Feb 2015 15:40:11 +0000

Comment # 2 on bug 10939 from 
(In reply to Alexis La Goutte from comment #1)
> There is a update of Parameter Problem (Adding Length field) on RFC 4884
> 
> https://tools.ietf.org/html/rfc4884#section-4.3

This is a strange way for Wireshark to display this field though, no?  It would
seem to make more sense for Wireshark to display it more simply, something
like:

    Length of the padded "original datagram": 356

rather than:

    Length of original datagram: 89 Length of original datagram: 356

Another modification that could be made would be for Wireshark to highlight the
2 still unused bytes and even add an expert info if they are found to be
non-zero, since, according to RFC 792:

                                                            Any field
   labeled "unused" is reserved for later extensions and must be zero
   when sent

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