From owner-freebsd-questions@freebsd.org Sat Feb 9 07:21:18 2019 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C1A7D14D9A78 for ; Sat, 9 Feb 2019 07:21:17 +0000 (UTC) (envelope-from dch@skunkwerks.at) Received: from out2-smtp.messagingengine.com (out2-smtp.messagingengine.com [66.111.4.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id B38668864B for ; Sat, 9 Feb 2019 07:21:15 +0000 (UTC) (envelope-from dch@skunkwerks.at) Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.nyi.internal (Postfix) with ESMTP id 5F8C721B83 for ; Sat, 9 Feb 2019 02:21:09 -0500 (EST) Received: from imap6 ([10.202.2.56]) by compute7.internal (MEProxy); Sat, 09 Feb 2019 02:21:09 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=skunkwerks.at; h=message-id:in-reply-to:references:date:from:to:subject :content-type; s=fm1; bh=1WJAjrb62z/N7LH03gJxKRu8gbcqVDEF+TH2F+G fQys=; b=2iqQFORFoIyywtFJsLJHGeH48K3e7It3xZhHEo2WzdCRJc4ep+baDEa rGkyfKPNhyUEr3RKmz7SZW4h6TPmxesCP9R0XJi37bMrZDyQY4aMIIQgwOwPdZ7a iUVUgxB2hFmOm0XXw8WFSlFuP47bkjB9KIoI7e8smKX/AUqz/lFgclNHRXB4gWvh 5GJdhQBCuobaCGb+MKvGfZ87TOt1zu62HODFKGBEdp1uiOtEVQQRESaqqbTGxIyB ET5K8JrD6gy0YK5kVp6vy84w0gFmMN4u0sTkaZkyHYjOuleKMzO7dVku1IoN8AH2 I4wM7uhrr/w04imy+Myrxa9PgeA2kIQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-type:date:from:in-reply-to :message-id:references:subject:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=1WJAjrb62z/N7LH03 gJxKRu8gbcqVDEF+TH2F+GfQys=; b=0ClxdQ/iWjhgQ0il2zx+fSiwdbQebZvtv pMp4LN0QPqTUk8JBbzooIr5HxRdNQ+Lgq+vguKf5llb2kPd/G8fpiFyjLLPNuuAC 1/QPUsUZE4eaQXL/SqCv+xDILrfHn69cJbslTnWB+gKRhpb0eZ2cRa09zAEs9SMB W87P+f/trlPzEnnkIbyzen6LTby546eyXHG50hwit2oAmLRECumcKXRoylUpXhxB sqEekBV2mIqvmXyY7X4sJCYHYkc/So+8OJeYOCkT1hINh2cgcqL8OoE7+LvcPfCv LrqVoA9qRO5TvCpwo8Vli6SOvn1XQTXQbt6jKtzPE9qN8nekVuHrA== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedtledrleefgddutdefucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfquhhtnecuuegrihhlohhuthemucef tddtnecunecujfgurhepofgfkfgjfhffhffvufgtsegrtderreerreejnecuhfhrohhmpe dfffgrvhgvucevohhtthhlvghhuhgsvghrfdcuoegutghhsehskhhunhhkfigvrhhkshdr rghtqeenucffohhmrghinhepfhhrvggvsghsugdrohhrghenucfrrghrrghmpehmrghilh hfrhhomhepuggthhesshhkuhhnkhifvghrkhhsrdgrthenucevlhhushhtvghrufhiiigv pedt X-ME-Proxy: Received: by mailuser.nyi.internal (Postfix, from userid 501) id C7BBD8218F; Sat, 9 Feb 2019 02:21:08 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.1.5-832-gba113d7-fmstable-20190201v1 X-Me-Personality: 20903217 Message-Id: <9439aade-ec3a-4d84-9a0d-c102e2a9f470@www.fastmail.com> In-Reply-To: <20190205221245.4b97fefd.ole@free.de> References: <20190205150522.635b9e34.ole@free.de> <20190205221245.4b97fefd.ole@free.de> Date: Sat, 09 Feb 2019 02:21:08 -0500 From: "Dave Cottlehuber" To: freebsd-questions@freebsd.org Subject: Re: Bhyve: virtio-net very slow with FreeBSD 12.0 Host X-Rspamd-Queue-Id: B38668864B X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=skunkwerks.at header.s=fm1 header.b=2iqQFORF; dkim=pass header.d=messagingengine.com header.s=fm2 header.b=0ClxdQ/i; spf=pass (mx1.freebsd.org: domain of dch@skunkwerks.at designates 66.111.4.26 as permitted sender) smtp.mailfrom=dch@skunkwerks.at X-Spamd-Result: default: False [-2.73 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; R_DKIM_ALLOW(-0.20)[skunkwerks.at:s=fm1,messagingengine.com:s=fm2]; XM_UA_NO_VERSION(0.01)[]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:66.111.4.26]; MISSING_MIME_VERSION(2.00)[]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; RCVD_COUNT_THREE(0.00)[4]; DMARC_NA(0.00)[skunkwerks.at]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[skunkwerks.at:+,messagingengine.com:+]; MX_GOOD(-0.01)[in2-smtp.messagingengine.com,in1-smtp.messagingengine.com,in2-smtp.messagingengine.com,in1-smtp.messagingengine.com,in2-smtp.messagingengine.com,in1-smtp.messagingengine.com,in2-smtp.messagingengine.com,in1-smtp.messagingengine.com,in2-smtp.messagingengine.com,in1-smtp.messagingengine.com,in2-smtp.messagingengine.com,in1-smtp.messagingengine.com,in2-smtp.messagingengine.com,in1-smtp.messagingengine.com]; NEURAL_HAM_SHORT(-0.97)[-0.974,0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:11403, ipnet:66.111.4.0/24, country:US]; IP_SCORE(-1.66)[ipnet: 66.111.4.0/24(-4.62), asn: 11403(-3.59), country: US(-0.07)]; MID_RHS_WWW(0.50)[]; RCVD_IN_DNSWL_LOW(-0.10)[26.4.111.66.list.dnswl.org : 127.0.5.1] Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 09 Feb 2019 07:21:18 -0000 On Tue, 5 Feb 2019, at 22:16, Ole wrote: > PS: >=20 > i discovered the tool iperf. The connection from Host to VM is good, > 6.36 Gbits/sec. The connection from Outside to host is also good, 847 > Mbits/sec. >=20 > But from outside to the VM it is just 60.6 Kbits/sec.=20 >=20 > Is there a generally problem with my setup?: >=20 >=20 > em0 em0.4030(mtu 1400) tap0(mtu 1400) I can=E2=80=99t speak for the specific config above, but generally this = is a good time to reach for tcpdump(1) to capture some traffic on em0 an= d see if you can spot any anomalies especially in things like frame size= (mtu related issues) and tcp checksums. See https://lists.freebsd.org/p= ipermail/freebsd-jail/2019-February/003686.html for a couple of things t= o check for there too. https://www.freebsd.org/cgi/man.cgi?query=3Dtcpdump and the GUI app wire= shark make a very nice combo. Happy hunting. Dave