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Subject: [Bug 185633] [pf] scrubbing bug in transparent mode bug with bigger
 than MTU UDP packet
Date: Wed, 31 Aug 2016 06:18:04 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D185633

--- Comment #9 from Olivier Cochard <olivier@freebsd.org> ---
I've reproduce the problem under VirtualBox (with em interface) and on a re=
al
hardware lab (with igb interface).

And I've studied the tcpdump with pf-bridge-scrub vs pf-bridge-without_scru=
b:
Once scrub is enabled: the IP payload is translated as an Ethernet payload,
adding an Ethernet header is missing.
I've attached pcaps file and a screenshot of my wireshark analysis.

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