From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-x12c.google.com (mail-lf1-x12c.google.com [IPv6:2a00:1450:4864:20::12c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id C29333B29E for ; Tue, 16 Mar 2021 22:57:28 -0400 (EDT) Received: by mail-lf1-x12c.google.com with SMTP id 18so721506lff.6 for ; Tue, 16 Mar 2021 19:57:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=RsQ1Mi81Jrxs0zuuZgO9YPcm2w1+VCsQiLpUUgpT5pI=; b=Wgs+JuCUuDkvZ4dJZj6TQeWHT9B2bFdbUBDBYB9hCH051DrG1Llsi6ZBs/kcoNNCkY UJwQZlD+HoYxandqU/zjrs2SCYO5ULmJjcDP1QqeaspdlZXdJ5aF8JLhYCXmgyfGI1Hc URgeTuGbtsNM5oOAnQjRClCsAbXL+VYuo0n8woE8vJLXv0m+4n9jsgzWPsLmhluOb7Py vNBIYzE4LKlhRgrwnVUC5S+Xk7b1B8zAloTFQ+WPtp3AptamEvuG0HvFHZYiEhJvhD0/ xL+Rpcs7U9Hq/JMIAALRYOaX7qmLl3pmXq7tC2hOD5nXsQZeiG26dBqO3624RVAYp11b OMpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=RsQ1Mi81Jrxs0zuuZgO9YPcm2w1+VCsQiLpUUgpT5pI=; b=fQFFDFH5i5OKEiGIM+O/mnm4zJ4UlNf/XDhUatmYyCATBb0Bb9HtUKPCNJmfwxbiwu ZHZ0WJvFRI0PwyZmurgxWldJCO48f2YE/Qmw0OUcjW975W1d9esdMzB+Y7oCjHdl3MJG lDyuVDP/T73CPDlCsszEtmYE5CRUlEZSxYaooWt0QbYtDgI+3dP2HfYMrhqaVM8OoCWY 2jN61Xc85iLGl/qcqCvBCquMR9tBqbnl5vLqUgK/RoyPxdCELqIye4XgcQ81UDHWTKd/ 5BHp4lw/MUuMNXbxAfndPkUTALo45JmQtmJlgfdCbyOpSx+KRffWAW2G/LjTjllJTzO5 /Q/Q== X-Gm-Message-State: AOAM533ZJsogeihqmBQAWbD/oJ8yfQZssexvuEl1xtLdfTa9loV5n0ss /LXqykrya6GCuC5KHprUeCYDaYicbzQ= X-Google-Smtp-Source: ABdhPJz86vW35isNScrm6Xa6VcsDF8cB/D+WPhlJTGNs49iYLFMgGakL4t2afcfgcpf64yaJwr/e1w== X-Received: by 2002:a05:6512:328f:: with SMTP id p15mr1019319lfe.628.1615949846980; Tue, 16 Mar 2021 19:57:26 -0700 (PDT) Received: from jonathartonsmbp.lan (87-93-215-52.bb.dnainternet.fi. [87.93.215.52]) by smtp.gmail.com with ESMTPSA id l12sm3399655lji.122.2021.03.16.19.57.25 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 16 Mar 2021 19:57:26 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.7\)) From: Jonathan Morton In-Reply-To: Date: Wed, 17 Mar 2021 04:57:24 +0200 Cc: Michael Richardson , "cerowrt-devel@lists.bufferbloat.net" Content-Transfer-Encoding: quoted-printable Message-Id: References: <1287379027.1155590.1615919208363.ref@mail.yahoo.com> <97BB05AF-95BB-4F0A-A6DF-4CF40686F782@gmail.com> <6866.1615935539@localhost> To: David Lang X-Mailer: Apple Mail (2.3445.9.7) Subject: Re: [Cerowrt-devel] Looking for MORE SQM Router Recommendations ! X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Mar 2021 02:57:28 -0000 > On 17 Mar, 2021, at 3:01 am, David Lang wrote: >=20 > This is using the compute module, that does not have any on-board = ports Actually, the CM4 brings the on-board GigE interface out to the = connector pins via a suitable PHY. All that is needed is a magjack on = the carrier. What this particular carrier does is to provide a *twin* = magjack, wire the appropriate CM4 pins to half of it, and wire the other = half to a LAN7800 USB-to-GigE adapter. The latter is then wired up to = the CM4 via a 4-port USB hub chip, so there are also three USB ports = (one on a header, two as physical ports). All but the cheapest of the CM4 models also include a single-channel, = dual-band wifi/BT chip. This requires only an antenna to make it an = austere but probably usable AP. For better performance, a multi-channel = wifi adapter could be plugged into the USB header, and the cheapest CM4 = "Lite" would probably then be sufficient. - Jonathan Morton=