Re: UDP checksum broken, -head and releng_8

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From
Bjoern A. Zeeb <bzeeb-lists@lists.zabbadoz.net>
Date
7 Jan 2011 10:45:08
Subject
Re: UDP checksum broken, -head and releng_8
Message-ID
20110107103837.E14966@maildrop.int.zabbadoz.net

In reply to
References to

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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


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