Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: vallor Newsgroups: comp.os.linux.misc Subject: Re: Minor Update - ATT Wireless Internet - SOME Issues Solved Date: 30 Jul 2025 08:12:31 GMT Lines: 85 Message-ID: References: <1069uko$6nha$1@news1.tnib.de> <106a619$2i8h8$4@dont-email.me> <106b4h3$9b0j$1@news1.tnib.de> <106b9dr$2r3s7$2@dont-email.me> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Trace: individual.net Vt2z520Nxftrak8N2t54pwJNPlViYE0dRkuEsIssC+bT2/GSf2 Cancel-Lock: sha1:K6oIyI0jO2XvTqsnw7Y8DpxCPZQ= sha256:qCjAfx9gOdkxfwISfvhLdSRuODBeSzsO8HDuYYvynjc= X-Face: +McU)#<-H?9lTb(Th!zR`EpVrp<0)1p5CmPu.kOscy8LRp_\u`:tW;dxPo./(fCl CaKku`)]}.V/"6rISCIDP` User-Agent: Pan/0.163 (Hmm5; d2f7fd9a; Linux-6.15.8) Xref: csiph.com comp.os.linux.misc:70138 On Tue, 29 Jul 2025 21:03:07 +0100, The Natural Philosopher wrote in <106b9dr$2r3s7$2@dont-email.me>: > On 29/07/2025 19:39, Marc Haber wrote: >> The Natural Philosopher wrote: >>> All I have is a fibre NTE box on the wall that tales power and has an >>> Ethernet socket. It does PPPoE presentation to my ISP. >> >> Likely just a media converter. > Well I call it a modem. People leap on me and say it' just a ONT -' > Optical network termination' > > But yes, it encrypts Ethernet packets over an optical medium, > And the next 50km or so they are just passive optical signals. > > "GPON (Gigabit Passive Optical Network), designated as ITU-T standard > G.984.2 is a medium for delivering data services (including digital TV, > Internet and phone services) over fibre optic cables. It's an > alternative to DSL and cable technologies which are the most commonly > used delivery methods for Internet and triple play (TV, VoIP & > Internet). Note that we're using the British spelling of fibre here - > in American English, it's fiber. " > > Current GPON standards in use provide a data rate of 2.488Gb/s > downstream and 1.244Gb/s upstream. That's a fixed speed. Unlike cable > systems GPON's speed doesn't get lower with distance, however there are > maximum distances that the line can run, beyond which the signal is no > longer viable. You either have 100% signal at full speed, or none. That > maximum is up to 20Km depending on the laser power in use however that > does depend on the number of splits - more on that later. Next > generation GPON, known as 10G GPON or XG-PON will provide up to 10Gb/s > in both directions. It will use the same fibre cables so only the > equipment at each end will need to be replace > > Then they get to a 'regional concentrator' where there is active > electronics. > > Note that that 10Gbps is shared between other users on the fibre. You > don't get it all. The premises kit restricts transmission rates to what > you have paid for. > Given that there may be up to 72 fibres in a typical bundle that's > 720Gbps going alone a given street or road. to a single concentrator. A > regional centre has much more bandwidth than that - half a dozen > concentrators for a rural region. > > Traffic over the fibre is encrypted to your ONT > > Fiber is so new in Germany that there >> is no universal standard yet, so ISPs try to mask that complexity away >> by also supplying the router. Our regulator is pushing back hard to >> allow the more savvy users to choose their own router. >> > The universal standard is GPON, but of course you dont need to stick to it. > > My ISP no longer supplies the rate I am on - 40/10 Mbps. I could now > upgrade to 100/20 for nearly the same money. > > I think it amounts to a change in the ONT . Which can be done remotely > >> The first and only ISP-owned Router (IAD - Integrated Access Device) >> that I couldn't get rid of was the infamous ZyXEL "UFO" that killed >> idle TCP sessions after ten minutes and didn't properly NAT UDP >> streams, so neither ssh nor vpn links were stable. And the hotline was >> like "can you access the web? Yes? Then we're doing what we told you >> we'd do, ticket closed". Thankfully I never paid a cent for that link, >> it wouldn't have been worth one. >> > Not good. > >> Greetings >> Marc > > Compared with copper fibre Just Works. And I get very good bandwidth and > availability. Occasionally it vanishes for a couple of seconds.. But > that could be some rout change in the internet at large Finally got fiber in our neighborhood. 10Gbps symmetric. https://ibb.co/RGCk03MN -- -v System76 Thelio Mega v1.1 x86_64 NVIDIA RTX 3090Ti 24G OS: Linux 6.15.8 D: Mint 22.1 DE: Xfce 4.18 NVIDIA: 575.64.05 Mem: 258G "Don't ask me, I have random access memory."