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Date: Fri, 7 Jan 2011 10:40:31 +0000 (UTC)
From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
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To: Daniel Eischen <deischen@freebsd.org>
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Cc: freebsd-current@freebsd.org
Subject: Re: UDP checksum broken, -head and releng_8
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On Fri, 7 Jan 2011, Daniel Eischen wrote:

> When sending multicast packets to a socket that is _not_
> bound to the multicast address, this generates bad UDP
> checksums.  This use to work and was broke sometime between
> the middle of October and late December as far as I can
> tell.

My very best guess would be: r215110

Otherwise the usual questions apply though I am almost certain you got
that right:

- dumps taken on the receiver side not the sender as
- NIC offload capabilities might confuse tcpdump and you might
   want to turn them off and test as well w/o them

/bz

-- 
Bjoern A. Zeeb                                 You have to have visions!
         <ks> Going to jail sucks -- <bz> All my daemons like it!
   http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/jails.html