From nobody Tue Nov 08 05:38:54 2022 X-Original-To: freebsd-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 4N5xjZ4gq3z4hR7T for ; Tue, 8 Nov 2022 05:38:58 +0000 (UTC) (envelope-from cross+freebsd@distal.com) Received: from relay.wiredblade.com (relay.wiredblade.com [168.235.95.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4N5xjY4LrNz3Cw5 for ; Tue, 8 Nov 2022 05:38:57 +0000 (UTC) (envelope-from cross+freebsd@distal.com) Authentication-Results: mx1.freebsd.org; dkim=none; spf=pass (mx1.freebsd.org: domain of cross+freebsd@distal.com designates 168.235.95.80 as permitted sender) smtp.mailfrom=cross+freebsd@distal.com; dmarc=none Received: from mail.distal.com (pool-108-45-159-88.washdc.fios.verizon.net [108.45.159.88]) by relay.wiredblade.com with ESMTPSA (version=TLSv1.2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256) ; Tue, 8 Nov 2022 05:38:56 +0000 Received: from smtpclient.apple ( [2001:470:e24c:200:f09f:44f1:d522:e362]) by tristain.distal.com (OpenSMTPD) with ESMTPSA id d8fb503a (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256:NO) for ; Tue, 8 Nov 2022 00:38:54 -0500 (EST) From: Chris Ross Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable 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 (Mac OS X Mail 15.0 \(3693.60.0.1.1\)) Subject: Lagg and multi-gigabit questions/proablems Message-Id: <76E0E023-AB86-453A-B95C-AED44E7ADA2D@distal.com> Date: Tue, 8 Nov 2022 00:38:54 -0500 To: freebsd-net@freebsd.org X-Mailer: Apple Mail (2.3693.60.0.1.1) X-Rspamd-Queue-Id: 4N5xjY4LrNz3Cw5 X-Spamd-Bar: -- X-Spamd-Result: default: False [-2.80 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+a:relay.dynu.com]; MIME_GOOD(-0.10)[text/plain]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; ASN(0.00)[asn:3842, ipnet:168.235.92.0/22, country:US]; MIME_TRACE(0.00)[0:+]; DMARC_NA(0.00)[distal.com]; RCVD_COUNT_THREE(0.00)[3]; RCPT_COUNT_ONE(0.00)[1]; MID_RHS_MATCH_FROM(0.00)[]; ARC_NA(0.00)[]; TAGGED_FROM(0.00)[freebsd]; FROM_HAS_DN(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; RCVD_TLS_ALL(0.00)[] X-ThisMailContainsUnwantedMimeParts: N Tl;dr; I have two FreeBSD systems attached to a Cisco switch, there = should be multi-gigabit connectivity, but only seeing 1Gpbs. Each = system is trunked, vlan interfaces on the underlying interface. I have an older Freebsd 11.x system with a 10gbe interface, There are a = collection of vlan interfaces on it. I have a newer Freebsd 12.3 system with lagg across two 1gbe interfaces. = There are a collection of vlan interfaces on the lagg. I would _expect_ to be able to get 2gbps, or just shy thereof. But, = using iperf3 shows me the same ~940 Mbits/sec that I get when coming = from a system a couple switches away on a single gigabit connection. Looking on the Cisco switch, the port-channel (connected to the lagg) = claims "BW 2000000 Kbit/sec=E2=80=9D. =20 Happy to share config with anyone who may be able to help, but won=E2=80=99= t paste it all here. - Chris