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[107.215.223.229]) by smtp.gmail.com with ESMTPSA id y126-20020aca4b84000000b00328e70cae5csm9590300oia.43.2022.06.21.13.18.44 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 21 Jun 2022 13:18:45 -0700 (PDT) Content-Type: text/plain; charset=us-ascii 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 16.0 \(3696.100.31\)) Subject: Re: Is there a way to deterministically bring up two usb ethernet interfaces? From: Bakul Shah In-Reply-To: <4d7760b1-aa65-b384-49e7-591e1e68228d@selasky.org> Date: Tue, 21 Jun 2022 13:18:44 -0700 Cc: freebsd-net@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: <07148311-EC03-4D79-BA95-7BB463C560F1@iitbombay.org> References: <122D03E4-77AD-4B87-B617-1DD1371AAF9E@iitbombay.org> <4d7760b1-aa65-b384-49e7-591e1e68228d@selasky.org> To: Hans Petter Selasky X-Mailer: Apple Mail (2.3696.100.31) X-Rspamd-Queue-Id: 4LSHsL1hd8z4pXD X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=iitbombay-org.20210112.gappssmtp.com header.s=20210112 header.b=Pc0XYT+f; dmarc=none; spf=pass (mx1.freebsd.org: domain of bakul@iitbombay.org designates 2001:4860:4864:20::31 as permitted sender) smtp.mailfrom=bakul@iitbombay.org X-Spamd-Result: default: False [-1.54 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+ip6:2001:4860:4000::/36]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[iitbombay-org.20210112.gappssmtp.com:+]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_SHORT(-0.59)[-0.591]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; SUBJECT_ENDS_QUESTION(1.00)[]; ASN(0.00)[asn:15169, ipnet:2001:4860:4864::/48, country:US]; MID_RHS_MATCH_FROM(0.00)[]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.94)[-0.945]; R_DKIM_ALLOW(-0.20)[iitbombay-org.20210112.gappssmtp.com:s=20210112]; FREEFALL_USER(0.00)[bakul]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; DMARC_NA(0.00)[iitbombay.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2001:4860:4864:20::31:from]; MLMMJ_DEST(0.00)[freebsd-net]; RCVD_TLS_ALL(0.00)[] X-ThisMailContainsUnwantedMimeParts: N On Jun 21, 2022, at 1:12 PM, Hans Petter Selasky = wrote: >=20 > Hi, >=20 > On 6/21/22 22:01, Bakul Shah wrote: >> I think the problem is that the two interfaces don't always come up = in the right sequence so which is ue0 and which is ue1 changes but they = are connected to specific networks. >> Thanks >=20 > Most likely not. Maybe devd events or sysctls can help you: >=20 > net.ue.0.%parent: axge0 >=20 > This is a general problem with pluggable USB devices. Usually if the = devices are connected to the same USB HUB, they will come up = deterministicly. >=20 > --HPS Thanks. Will give it a try as both devices from diff vendors!