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Thu, 23 Oct 2025 07:49:07 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 59N7n7YP099199 for net@FreeBSD.org; Thu, 23 Oct 2025 07:49:07 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 259249] vtnet: Checksum offloading enabled reduces pf NAT performance (~100mbps -> ~200kbps) Date: Thu, 23 Oct 2025 07:49:07 +0000 X-Bugzilla-Reason: CC AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.0-RELEASE X-Bugzilla-Keywords: needs-qa, performance X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: vova@fbsd.ru X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D259249 --- Comment #7 from vova@fbsd.ru --- (In reply to Michael Tuexen from comment #5) VM Setup instructions roughly: install FreeBSD 14.3 from ISO image, ZFS-based (amd64 machine - CX23 on hetzner) freebsd-update fetch && freebsd-update install=20 pkg update pkg install speedtest-go cbsd /usr/local/cbsd/sudoexec/initenv /usr/local/cbsd/share/initenv.conf default_vs=3D1 workdir=3D/jails=20 # CBSD will create basic pf nat rules and bridge interface - cbsdbr0 with 10.0.0.1/24 cbsd jcreate jname=3Dspeedtest vnet=3D1 interface=3Dcbsdbr0 sysrc=3Ddefaultrouter=3D10.0.0.1 astart=3D1 cbsd jstart speedtest cbsd jlogin speedtest=20 jail# pkg install speedtest-go jail# speedtest-go --server 60469 --=20 You are receiving this mail because: You are on the CC list for the bug. You are the assignee for the bug.=