Wireshark-bugs: [Wireshark-bugs] [Bug 6561] IPv4 UDP/TCP Checksum incorrect if routing header pr
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Thu, 17 Nov 2011 13:46:48 -0800 (PST)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6561

--- Comment #3 from Chris Maynard <christopher.maynard@xxxxxxxxx> 2011-11-17 13:46:47 PST ---
(In reply to comment #0)
> The final L3 IP destination address will be the last entry in the routing
> header EXCEPT when the table is exhausted (pointer is greater than the length).
>  In this case, the final L3 IP destination address is the one in the L3 header.
>   See RFC 791.

OK well I'm confused.  The calculation of the UDP checksum is specified in RFC
768 (http://tools.ietf.org/html/rfc768).  How does the presence of an IP header
routing option affect it?  What am I missing?

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