Date: Fri, 08 Feb 2019 20:50:57 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 235607] Incorrect checksums with NAT on vtnet with offloading Message-ID: <bug-235607-7501-hw5CTYcQcB@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-235607-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-235607-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D235607 Eugene Grosbein <eugen@freebsd.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |eugen@freebsd.org --- Comment #2 from Eugene Grosbein <eugen@freebsd.org> --- (In reply to Jorge Schrauwen from comment #1) For ipfw nat and/or natd both based on libalias, this is known and document= ed in the ipfw(8) manual page: Due to the architecture of libalias(3), ipfw nat is not compatible with the TCP segmentation offloading (TSO). Thus, to reliably nat your network traffic, please disable TSO on your NICs using ifconfig(8). --=20 You are receiving this mail because: You are the assignee for the bug.=
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