From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FROM autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 19630 invoked from network); 4 Mar 2021 10:28:11 -0000 Received: from 1ess.inri.net (216.126.196.35) by inbox.vuxu.org with ESMTPUTF8; 4 Mar 2021 10:28:11 -0000 Received: from mail-ed1-f41.google.com ([209.85.208.41]) by 1ess; Thu Mar 4 05:22:55 -0500 2021 Received: by mail-ed1-f41.google.com with SMTP id h10so33985367edl.6 for <9front@9front.org>; Thu, 04 Mar 2021 02:22:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-transfer-encoding; bh=QnUriIv26o/LftNa3lWBpx5orOaZ2UL+TnYSsjRgYds=; b=kls6541dCldb8l+r7jBwz1YpGhhF+QiD2ejAMiDf86V7XujvEQFThoAre7k7crASNr hXDfH5FLnCX9hbteacX+cx92WXU4lTLccrMODP28W+bS6ZUAQVtinLe6ly0CXwm0OPwA vwxAu7gk+olmC4MGvW0SJyuGxcxVOm+b3CAMEYqCy9mK6G9/9FO6gzYA3eRsZLr27lI6 JoTv7+YGdK7EoABj2FOqFNKKP7Wgo2AtMlwVJObgrEGvMgn3dSd7n/f98eL4yiBx/NPg JBqiXQx+Bqcut5PgHS9+RQH9i/f/Sxj3cyHD/UkKjqLriciG1iYR6MLQs2Ed6mM4qQEl x4Xg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:content-transfer-encoding; bh=QnUriIv26o/LftNa3lWBpx5orOaZ2UL+TnYSsjRgYds=; b=sWsO6XU7/SsyxXddbYIn+v7oXdTDilOytCJFiLIR1q9+phjZBMdL6JNf2HVdg4Qwh5 4r7zI93EvuBOFyE17mB7ViNVZLwlF3gDOZ3YENzoR18DERInN+xYTUdXKNgxg/HQndc7 J9wprVqnBRHmyPgtKcnLkK08rik0w0ezt/gKvb2rGVftE4/lu55daoHVlWCU5GQjnjBf dMpG6cfhQB0EW44Vfzju1wOm0A1JA3+ErWMHNTbxJLorXhw+nHNkPwOvd4Vd6q2+T2jT VIPVpRv3JPVKoIm0z3SVIolD68FpbGjGBPEIFOW8WEIPDH+33cw5eaNbQtaQtR8mZLW7 Envw== X-Gm-Message-State: AOAM533xM2xRk8h/hfLgWvbjJQTuXtd2g/YAtKTD1ANxg0+JT5FABOqp IFiyZpgTcrLMkGjvfKRDFDbwK1fhxUxWx4yeUH08pMnpZQ8= X-Google-Smtp-Source: ABdhPJzaoHd0tTS+eKgUX4N9W7I89MXgAJkii+OdbPdeWgnnKZsUijFhdVBrMrKCgzvOiTK4QVR2E80yuX37Pp9iScc= X-Received: by 2002:a17:906:33c5:: with SMTP id w5mr3479475eja.319.1614852868194; Thu, 04 Mar 2021 02:14:28 -0800 (PST) MIME-Version: 1.0 Received: by 2002:a17:906:4486:0:0:0:0 with HTTP; Thu, 4 Mar 2021 02:14:27 -0800 (PST) In-Reply-To: References: <9EAB7D15-0A8B-4B7C-87FA-D37B0DA0E168@me.com> <3238f626-0230-be85-acf7-4887e67a5e0f@typed-hole.org> <26A8DA0D-848E-4C24-AACC-BBBB613FFDC8@me.com> From: hiro <23hiro@gmail.com> Date: Thu, 4 Mar 2021 11:14:27 +0100 Message-ID: To: 9front@9front.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable List-ID: <9front.9front.org> List-Help: X-Glyph: ➈ X-Bullshit: webscale SSL over ORM firewall-oriented lifecycle just-in-time backend Subject: Re: [9front] rpi4 wifi USB dongle Reply-To: 9front@9front.org Precedence: bulk Because, you can have only one AP in a wifi network, this line needs some fixing. sent too fast: > Imagine now the M-AP is a wifi router, and you want to connect it to the N-AP over wifi. Imagine now the M-AP is a wifi router, and you want to connect it to the N (not AP) over wifi. On 3/4/21, hiro <23hiro@gmail.com> wrote: > I can tell you generally. > > An ethernet client is a computer with a mac address. > > Given you have a group of M clients and another group of N clients and > you want to connect them, plug the M clients into a switch with M+1 > ports on one side and the N clients into a switch with N+1 ports on > the other side, then use the remaining port and a long cable to > connect them together. > > Imagine now the M-AP is a wifi router, and you want to connect it to > the N-AP over wifi. > but here when wifi comes into play not every client is the same. you > have many wifi stations and just one wifi *ap*, if we make M-AP the > wifi AP, you can bridge all the M clients just fine. that works on AP > side. > But if you want to bridge a wifi *station* on the other side, you can > not. a station can only bridge N=3D1 mac addresses into a wifi. > > So, with wifi, either M or N has to be 1. Useless, no? > > We have some code in 9front called mat damon, which is like NAT, but > for MAC addresses instead of IP addresses. This way one mac address > can hide all the N other mac addresses and translate between them. But > that's obviously a layer violation, a stupid hack that only exists due > to the limitation of wifi. > > On 3/4/21, Daniel Morandini wrote: >>> BPL + ethernet maybe? At least you don't have to drill a hole. >>> powerline is really bad >> BPL is Broadband Power Line right? This house is wired with very >> old copper wires (not twisted), I bet I would not get much out of >> it, but thanks for the suggestion. >> >>> Richard Miller's plan 9 image supports wifi on these machines. >>> As of now there is no wifi dongle support in 9front. You can use an >>> older >>> Android phone's usb tethering (no cell service needed) with nusb/ether >>> in >>> rndis mode. >>> i used to use an external wifi bridge over ethernet >> These are all valuable options, thank you, but hiro is making me think: >> >>> keep in mind wifi cannot really bridge more than one IP (sadly the >> wifi src/destination fields cannot be mapped to ethernet mac addresses >> properly). >> Could you please expand this a little bit more (possibly with >> references)? I=E2=80=99ve attached to this email a little handmade diag= ram >> of my home setup. The line tagged with =E2=80=9Clong eth cable=E2=80=9D= was the >> one that I wanted to replace with a wireless connection to some >> receiver device that eventually ethernets with the switch, but still >> I would have had to check what 802.11 is allowing me to do. What >> you tell makes me think that that protocol in this setup in that >> position is not really a viable option right? >> >>> drilling holes is not so bad >> Indeed, this is what I=E2=80=99m going to go for :D >> >> Thank you very much for your help so far, >> dan >> >> >