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Wed, 10 Jun 2026 20:22:19 -0700 (PDT) Received: from [2001:579:82ac:702::10:0] ([2001:579:82ac:702:80d:86e6:4e51:1fd5]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-30806e8a402sm514256eec.17.2026.06.10.20.22.18 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 10 Jun 2026 20:22:18 -0700 (PDT) Date: Wed, 10 Jun 2026 20:22:11 -0700 From: Dustin Marquess To: freebsd-net@FreeBSD.org Message-ID: In-Reply-To: References: Subject: Slowness with ure(4) X-Readdle-Message-ID: af3b77b8-3b74-43f0-a116-69be2458bf0d@Spark 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 List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="6a2a29e8_75ae735e_3ed" X-Spamd-Result: default: False [-2.52 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; MID_RHS_NOT_FQDN(0.50)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4864::/56]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20251104]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; NEURAL_HAM_SHORT(-0.02)[-0.019]; RCPT_COUNT_ONE(0.00)[1]; RCVD_TLS_LAST(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_FROM(0.00)[gmail.com]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; TO_DN_NONE(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; RCVD_VIA_SMTP_AUTH(0.00)[]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; MISSING_XM_UA(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::1329:from] X-Spamd-Bar: -- X-Rspamd-Queue-Id: 4gbScs3czqz47p8 --6a2a29e8_75ae735e_3ed Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline I recently upgraded from GigE Internet service to "Multi-gigabit" (aka 2Gbps) service. As part of that, I had a variety of machines that I wanted to get speedier access to. Most of them currently have igb(4), while one has a bge(4). Anyways, the new interface comes up, the link comes up as 2.5Gbps correctly, etc. However, speeds tested using both iperf3 and the official Ookla speedtest CLI are both pretty bad. While the existing GigE interfaces have no problem getting 920-940Mbps, the ure(4) only gets around 420Mbps. This made me curious, so I took one of the machines (a Late 2012 Mac Mini Server) and booted Linux, FreeBSD, and OpenBSD on the same machine. I got: FreeBSD: 420Mbps OpenBSD: 910Mbps Linux: 2200Mbps So it's clearly not hardware/network. I did verify that FreeBSD shows the device attaching to the USB 3/xhci bus. Any other ideas? Thanks! -Dustin --6a2a29e8_75ae735e_3ed Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline
I recently upgraded from GigE Internet service to =22= Multi-gigabit=22 (aka 2Gbps) service. As part of that, I had a variety of= machines that I wanted to get speedier access to. Most of them currently= have igb(4), while one has a bge(4).

Anyways, the new interface comes up, the link comes up as 2.5Gbps correct= ly, etc. However, speeds tested using both iperf3 and the official Ookla = speedtest CLI are both pretty bad. While the existing GigE interfaces hav= e no problem getting 920-940Mbps, the ure(4) only gets around 420Mbps.
This made me curious, so I took one of the machines (a Late 2012 Mac Mini= Server) and booted Linux, =46reeBSD, and OpenBSD on the same machine. I = got:

=46reeBSD: 420Mbps
OpenBSD: 910Mbps
Linux: 2200Mbps

So it's clearly not hardware/network. I did verify that =46reeBSD shows t= he device attaching to the USB 3/xhci bus. Any other ideas=3F

Thanks=21

-Dustin
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