From nobody Sun Nov 13 22:13:14 2022 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4N9RXc415wz4hH8h for ; Sun, 13 Nov 2022 22:13:20 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4N9RXc2frrz3Lxm for ; Sun, 13 Nov 2022 22:13:20 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1668377600; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=y3hQzJTawH8jSGjnrGr6TfYp0go+hO1qR/o92kVmvXo=; b=CV08hzwuYJnywGem2RMlS3+I44TXNFrNJj/qmXGpuvCOOH9+ctbVHeYgd9x2ytRC5EcGYA guzEf6h3BTKs1BUzKh8BdEGgwIQKCiPcgsq4cw74mW5bjnO5ssosd7f9I9JDgjHg5xGAWY xAJmZvihnccwmw7w/Xf/ThJ7rbIT8p3cYLJfCzUKcaPjnUjGy64xIL7VIo7Ms/7UmmPF20 raivl57tyirfgoH4mWQGO6RkwlM6Rr9EmVjZl61L0+FOcC/5Lm82ax7ScOWglytg7wet6T /32kM/KXdpq+nXHYHnCbi/JD+qqaUo7iwoqXF17JdpTRHyGSS7wfn3VvbLqkyA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1668377600; a=rsa-sha256; cv=none; b=Uu+VtvcMDDIqjHC4Y6EIE/Q6LDZjuzOs7PqX2x2OcX9I/c//fZeQ/QDcv5HMtu9ur5UYo3 xpyakcMXg2TbfGZmyYE/ClQJP9SEnA44XekcaN3E8Hq3EapicssQIzL2YUCiYJlPK+lQ24 Aee7YW90GeDRJmeyWp3ZeVUv4n4ehDXSMzxZAoacohyOXb4eIW7XlkY3JBlc+TAGIeWZib Uzl9CKEE79JFyDwDQwVwnESYy5H3ED10lt6fpItSx9HHNOaUzJX9w9DEeQ0vE8/m3ftC1D flQW6nHJo639UeQH+q/6l4i8fbJDKK0gKrbixki4IprBVlLaFW7AlEWLO81paw== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4N9RXc1mlSzJm1 for ; Sun, 13 Nov 2022 22:13:20 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 2ADMDKMo085300 for ; Sun, 13 Nov 2022 22:13:20 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 2ADMDKI1085299 for net@FreeBSD.org; Sun, 13 Nov 2022 22:13:20 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 165059] vtnet(4): Networking breaks with a router using virtio net driver on KVM host Date: Sun, 13 Nov 2022 22:13:14 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 9.0-RELEASE X-Bugzilla-Keywords: needs-qa X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: ngtech1ltd@gmail.com X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: maintainer-feedback? mfc-stable13? mfc-stable12? X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D165059 --- Comment #28 from elico --- (In reply to elico from comment #27) OK so just to mention the NAT related documents are at: http://draft.scyphus.co.jp/freebsd/nat.html and ontop of Oracle Enterprise Linux 8 KVM host the issue exists on 12.3 the setup is very simple: * Alpine 3.16 with ip 192.168.111.1/24 gw 192.168.111.254 DNS 8.8.8.8 * FreeBSD 12.3 with two interfaces: vtnet0 192.168.110.1/24 GW 192.168.110.= 254 vtnet1 192.168.111.254/24 pf rules to nat on $ext_inf * VyOS 1.3.2 with two interfaces: eth0 192.168.122.183/24 GW 192.168.122.1 eth1: 192.168.110.254/24 ping from Alpine to 8.8.8.8 via FreeBSD (NAT) -> VyOS (NAT) =3D works (ICMP_ wget from Alpine to 8.8.8.8 via FreeBSD (NAT) -> VyOS (NAT) =3D doesn't work (TCP) When I am running the next on the vtnet0 and vtnet1 interfaces the TCP work= s: ifconfig vtnet0 -rxcsum ifconfig vtnet1 -rxcsum It was resolved long ago in OpenBSD so now there only should be a fix and a text. --=20 You are receiving this mail because: You are on the CC list for the bug.=