And this is all because WiFi doesn't act like a proper layer 2... It isn't possible to have a network which is ethernet -> wifi -> ethernet and have the whole thing one broadcast domain.
Wireless-to-Ethernet island for RPi cluster: IPv6, NDP proxy, mDNS reflector
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Re: Wireless-to-Ethernet island for RPi cluster: IPv6, NDP proxy, mDNS reflector
#42Having similar issue myself, I have found simpler and cheaper alternative - $20 Gl.inet mini router [1] that runs OpenWRT, but also has frienly UI where you can turn STA mode, connect it to your wireless network and have wired internet on the ethernet port. I use it for wireless Wake-on-Lan for my homelab PC, integrated with homeassistant and Google Assistant voice command “Hey Google, turn on homelab”. [1] - perhaps…
Those little devices are in high demand. I've been buying them in quantities of 10-at-a-time (Especially when they were cheaper) since they are useful for putting VOIP phones securley behind VPN. I've seen a lot of folks recommend them on HN. They support OpenVPN + Wireguard out of the box and are easy enough for non-techs to reconfigure in the field w/ remote instructions.
Re: Wireless-to-Ethernet island for RPi cluster: IPv6, NDP proxy, mDNS reflector
#43Having similar issue myself, I have found simpler and cheaper alternative - $20 Gl.inet mini router [1] that runs OpenWRT, but also has frienly UI where you can turn STA mode, connect it to your wireless network and have wired internet on the ethernet port. I use it for wireless Wake-on-Lan for my homelab PC, integrated with homeassistant and Google Assistant voice command “Hey Google, turn on homelab”. [1] - perhaps…
Note that I said most, not all. I had a few Raspberry Pi's, and an old Xbox and 486 PC that I used for old games.
I ended up using DD-WRT in access point mode, and rather than having it run in station mode, it would connect to my phone as a Wi-Fi client, and forward Wi-Fi packets out the Ethernet switch.
It was quite handy, and made the summer much more bearable. As an added bonus, I now keep that router config as a backup. If my actual ISP is ever having an outage, I can reupload that config, and get all of the devices on my network back online, without having to switch them over to Wi-Fi.
Re: Wireless-to-Ethernet island for RPi cluster: IPv6, NDP proxy, mDNS reflector
#44Having similar issue myself, I have found simpler and cheaper alternative - $20 Gl.inet mini router [1] that runs OpenWRT, but also has frienly UI where you can turn STA mode, connect it to your wireless network and have wired internet on the ethernet port. I use it for wireless Wake-on-Lan for my homelab PC, integrated with homeassistant and Google Assistant voice command “Hey Google, turn on homelab”. [1] - perhaps…
I use a ZTE MF820B USB 4G LTE modem as a backup Internet connection. I configured the GL.inet router to talk to the modem on /dev/cdc-wdm0 and added my LTE service provider's APN hostname. With those two settings, it just works. I keep the LTE modem unplugged and on-hand for when my fiber (Webpass) goes down.
GL.inet is based in Hong Kong and is now under the control of the Chinese red party.
Re: Wireless-to-Ethernet island for RPi cluster: IPv6, NDP proxy, mDNS reflector
#45I had the same problems with my modem/router, a Fastgate by Fastweb (in .it)
No custom static routes, dns fixed by the provider, no vpn functionalities. Some arbitrary tcp ports can't be forwarded via NAT. TR-069 was up and running, at least in ~2017, and at the same year at CCC in Hamburg (or Leipzig?) there was a nice talk about how good of an attack vector TR-069 is.
All this is quite infuriating, specifically the DNS thing.
I ended up replacing the whole thing with custom equipment (ONT + a Linksys WRT3200ACM running OpenWrt).
But I honestly think that stuff like this should be illegal.
Re: Wireless-to-Ethernet island for RPi cluster: IPv6, NDP proxy, mDNS reflector
#46Earlier quoted context omitted.
I tried to figure out what a homelab was once, but it seemed to just be people who enjoyed having a lot of fan noise at home so they could assemble VLANs for no particular reason.
If you follow the homelab sub reddit, a lot of people like to run old obsolete datacenter gear. You don't have to do that. Mine is a pair of Ryzen 2 white boxes. They are dead silent and don't put out much heat either. All my network gear is fanless too. I do automation, so I use mine for dev/test against the stuff I am automating. A lot of it could run in the cloud, but that gets expensive real quick. Especially whe…
Re: Wireless-to-Ethernet island for RPi cluster: IPv6, NDP proxy, mDNS reflector
#47Earlier quoted context omitted.
Thank you for your expertise! Out of interest, why is it a hack? Does it break things elsewhere? Why is it better to do it at the IP level?
NAT, in general, is a hack that requires holding a lot of state in order to squeeze multiple devices into a limited number space. On a technical/complexity level, IP NAT is much worse because you need to hold much more state, i.e. you need the UDP/TCP flow information to rewrite correctly. However, MAC NAT is the pinnacle of stupidity for an entirely different reason: there should be no need for it. MAC addresses onl…
Thanks for that. Filed away for future use.
Re: Wireless-to-Ethernet island for RPi cluster: IPv6, NDP proxy, mDNS reflector
#48Having similar issue myself, I have found simpler and cheaper alternative - $20 Gl.inet mini router [1] that runs OpenWRT, but also has frienly UI where you can turn STA mode, connect it to your wireless network and have wired internet on the ethernet port. I use it for wireless Wake-on-Lan for my homelab PC, integrated with homeassistant and Google Assistant voice command “Hey Google, turn on homelab”. [1] - perhaps…
For example: can you run tcpflow on your mini router?
Re: Wireless-to-Ethernet island for RPi cluster: IPv6, NDP proxy, mDNS reflector
#49Earlier quoted context omitted.
Those little devices are in high demand. I've been buying them in quantities of 10-at-a-time (Especially when they were cheaper) since they are useful for putting VOIP phones securley behind VPN. I've seen a lot of folks recommend them on HN. They support OpenVPN + Wireguard out of the box and are easy enough for non-techs to reconfigure in the field w/ remote instructions.
Make sure you flash them / check their traffic. They make some telemetry requests IIRC.
1. https://s3.us-east-2.amazonaws.com/download.gl-inet.com/firm...
With default configs IME one will see some constant traffic to 8.8.8.8. This is from OpenWRT mwan3's default configs. These defaults are left unchanged by GL.inet and probably other routers running OpenWRT. I have never seen anyone complain about this traffic. I doubt this is what is being referred to as "telemetry" in the above comment. Nevertheless, it is constant pinging to Google, OpenDNS or some other third party. In typical Linux fashion, mwan3, a daemon not every user is going to need, is enabled by default anyway.
https://github.com/gl-inet/gli-pub/raw/master/mwan3/files/et...
Re: Wireless-to-Ethernet island for RPi cluster: IPv6, NDP proxy, mDNS reflector
#50Having similar issue myself, I have found simpler and cheaper alternative - $20 Gl.inet mini router [1] that runs OpenWRT, but also has frienly UI where you can turn STA mode, connect it to your wireless network and have wired internet on the ethernet port. I use it for wireless Wake-on-Lan for my homelab PC, integrated with homeassistant and Google Assistant voice command “Hey Google, turn on homelab”. [1] - perhaps…
I use one of those GL.inet routers. It's been reliable for 1.5 years. I configured it to route all traffic through a proxy service (aka VPN). Most VPN clients fail open, which defeats the purpose of using a proxy for privacy. The GL.inet firmware has an option to fail-closed when the proxy connection is down. I use a ZTE MF820B USB 4G LTE modem as a backup Internet connection. I configured the GL.inet router to talk…
ZTE is a Chinese state-owned enterprise, so if CCP-sanctioned action is part of your threat model I'm not sure GL.inet would be the most concerning part of that stack.