Questions tagged [ethernet]

Ethernet is a family of wired computer networking technologies for local area networks (LANs).

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NetworkManager not working on properly RasPi 3

I'm testing NetworkManager using 2 keyfile: one keyfile for the wired connection and one keyfile for the wireless connection. The setup works great on Raspberry Pi 1 and Raspberry pi 2. On ...
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32 views

How do I make my RPi talk to my PC over an Ethernet Cable?

My PC is running Windows 10. I'm working on establishing communications from my RPi to my PC via an ethernet cable. I've set up static IP addresses for both the PC and RPi on their respective ethernet ...
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1answer
23 views

How to avoid resizing (shrink) of SD card and connection refused error in putty for installing raspberry pi

I am new with raspberry pi, I want to start the raspberry pi 3,Model B on laptop connected with ethernet cable, but as I want to create a ssh file( with no .txt extension)for the network error:...
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1answer
141 views

LibreELEC startup with LAN excludes WLAN

When the RPi (with LibreELEC) is connected to the web via WLAN, plugging also the Ethernet cable for wired LAN does not affect the WLAN functionality: it automatically connects to the web via LAN (...
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2answers
60 views

Can a single Ethernet interface be addressed on DIFFERENT subnets?

Can a single REAL Ethernet interface be addressed on (2) DIFFERENT subnets? But how can this be when a Pi only has a single REAL interface- and therefore only a single MAC address to map the (2) ...
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1answer
27 views

Connection via Ethernet to Windows

I'm having an issue with creating a direct connection with RPi 3 B+ and Windows laptop (to use as interface with RPi for first time set-up). I formatted the microSD card to FAT32 (Master Boot Record) ...
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1answer
49 views

Can I connect 4 RasPi with a windows PC only using ethernet cables (no WiFi or internet connection)?

I want to connect 4 RasPi to one windows PC using ethernet cables. The plan is to have each RasPi equipped with a camera. I will have the cameras start recording upon the press of a button, then a ...
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1answer
54 views

Forward internet from eth0 to a repeater connected via eth1 and serve a captive portal

Premise: a ranch/guesthouse in northern New Mexico wants to show their guests a splash page before allowing them on to an otherwise open network. Currently, the internet comes through a modem and ...
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35 views

How to redirect domain to test server IP using bridged wlan0 to eth0 connection?

Following this tutorial https://www.raspberrypi.org/documentation/configuration/wireless/access-point.md from "Using the Raspberry Pi as an access point to share an internet connection (bridge)" ...
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57 views

Unable to access internet in PC when connected to Pi(ppp0) via Ethernet

I am using openhabian. I have managed to get the Pi connected to the internet via the Quectel UC20-G modem after which I get a new interface called ppp0 with IP address 49.225.37.106 as shown below. ...
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148 views

Pi Zero USB ethernet and USB mass storage

Idea: Have the pi zero act as a USB mass storage device and to move files to a network location using ethernet. There are a few examples like this over wifi, example (Smart flash drive) but in my case ...
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1answer
65 views

Raspberry PI Laptop Ethernet Connectivity Issue

I setup my headless Raspberry PI and called it Optimus. I connect my Windows 10 desktop machine to the Raspberry PI via an ethernet cable. If I ping optimus.local I get a response and can SSH into it -...
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287 views

How to connect to the internet using an Ethernet cable

I have an Ethernet cable which I use to connect to the internet on a desktop Windows machine. These are the IP settings I gave the Windows machine: IP adr. 172.18.14.19 subnet mask 255.255....
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56 views

Raspberry Pi's Ethernet cable port suddenly stopped working after connecting 4-channel Relay board

I am having trouble with my Raspberry Pi's Ethernet and USB ports. I was using Ethernet port usually for my experiments with pi. But I tried to connect 4-channel relay board to my pi. According to my ...
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2answers
130 views

Can't connect VNC through ethernet while the PC is connected through Wifi to internet

I'm pretty new to both Raspberry Pi and Linux, I have absolutely no prior experience so bear with me. My problem here is pretty annoying. What I'm trying to do is simply using VNC to control remotely ...
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3answers
129 views

Network Hats for Raspberry Pi 3

I am trying to be able to connect Raspberry Pi 3 to two networks at the same time through Ethernet. Unfortunately it has only one Ethernet port available. The solution so far is to buy a network hat ...
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2answers
83 views

Restart Pi after ping failure?

I have been creating a prototype using Pi Zeros, they work great at my house but are failing often at customer's site (other side of country). I do not know if the Pi kernel is crashing or if it's ...
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2answers
53 views

Running temperature options

I have new RPi 3B+ intended to run 24/7. I am looking to ensure it doesn't overheat, so am wondering whether having wired ethernet would make it run cooler than using the WiFi? The Pi is situated ...
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1answer
141 views

Raspberry Pi connecting to Wifi but not ethernet

I am trying to SSH into a Raspberry Pi 3B+ using ethernet, but it says: No route to Host. Pinging the IP doesn't work either, and raspberrypi.local doesn't seem to be resolved by mDNS. When I tried ...
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23 views

How many RPi 3 can connect each other in an ad-hoc manner using WiFi adapters?

How many RPi 3 can connect each other in an ad-hoc manner using WiFi adapters? What are the possible problems?
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42 views

Flooding another device with hping3 from RPi

My purpose with flooding another device is to see the maximum traffic that the sender can generate with the hping3: sudo hping3 --flood -d 65495 192.168.0.3 I tested it with gigabit Ethernet adaptor ...
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1answer
515 views

Connect Pi to two LANs using USB-Ethernet adapter?

I need to connect my Raspberry Pi 3B to two local area networks: 1) First is a closed (secured) network that does not have an internet access (it has a web server that is accessible from that network)...
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1answer
227 views

Run a system startup script after network and DNS resolution are available

I'm trying to set up a system init script on my Raspbian, just to send an HTTP POST request to a public web server (99,9% uptime), reporting that the Raspbian has just been started up (or rebooted). ...
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1answer
318 views

Force RPi3B Ethernet to connect gigabit

My RPi3B and my PC are connected to gigabit Cisco switch. My PC's Ethernet gets connected 1000 Mbps but RPi3B's Ethernet connects 100 Mbps. Does anyone know what settings should I perform to get ...
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1answer
686 views

What is the cheapest way to get gigabit ethernet on the Pi Zero?

The Raspberry Pi Zero does not come with an ethernet port. For my experimental router project, I need to connect the Pi Zero to a wired network where the Pi Zero will act as a router for many ...
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2answers
301 views

Creating jumper leads from ethernet cables - connect multiple components

I've bought some crimpers and a dupont connection kit and I'm planning on reusing some old cat5 ethernet cables I have. Is it reasonable to connect two devices to the RPi via the 8 wires in the cat5 ...
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2answers
330 views

Why does eth0 have no IP after reboot? Running dhclient -v fixes

When I reboot my Raspberry Pi, my WiFi connection works, but my eth0 interface has no ip adresss. In the gui it says "eth0: Link is up, configuring" If I run dhclient -v it will obtain an IP and the ...
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37 views

confusing and oddly specific dns issue

I primarily use the raspberry pi in two locations, at my school and at home, where i connect to the internet using LAN. The school's network seems to enforce the use of a specific dns server, which i ...
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0answers
71 views

Connecting Computer without Internet to raspberry with Ethernet and send Information via MQTT

I'm trying to connect a Pc without internet with a Ethernet Cable to my Raspberry and want to send informations from the Computer to the Raspberry via MQTT. I searched trough the internet but ...
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1answer
165 views

Raspberry pi Proxy ARP wifi bridge + extra ethernet adapter

Going through this thread: proxy ARP WiFi bridge Raspberry Ingo´s solution is working fine for me but I´m looking for an extra... With this WiFi bridge I want to use an add USB-Ethernet adapter (...
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2answers
66 views

Why does my IP address become weird when trying to set up a static IP address?

My Pi is connected to my router by Ethernet. Attempting to set up a static IP address for my Pi, I added the following lines to dhcpcd.conf: interface eth0 static ip_address=192.168.0.2/24 static ...
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0answers
179 views

Trying to use Ethernet over Bluetooth between Pi boards

I'm trying to use SSH over Bluetooth via Ethernet over Blutooth. I've based my effort thus far on: Bluetooth PAN Network Setup with BlueZ 5.X I believe I have faithfully followed the instructions. ...
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2answers
117 views

Routing table gets reset with new ip address

I am using the AT&T Avnet IoT Starter Kit to provide cellular connectivity to my Raspberry Pi 3b+. In order to establish the routing table I added an ip command to the file /lib/dhcpcd/dhcpcd-...
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1answer
38 views

wlan and eth disabled at the same time

I'm using 3B+ and there is something wierd. My pi connects to my router via wifi and cable at the same time without a problem. I can both ssh to the wlan ip and the eth ip address. However, when I ...
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2answers
483 views

Simultaneous dual networks (LAN + Wifi) setup

I am in the middle of setting up my home automation system with my Raspberry Pi (3B+), and I have a question regarding networking. My Raspberry is running the Rasbian Lite derivative called ...
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1answer
56 views

Installed Raspberry Pi Desktop on old windows laptop. Wifi and ethernet not working

Very new to this. I had an old laptop laying around and wiped out windows and installed Raspberry Pi Desktop. My Cd/dvd works. Usb ports work. But ethernet and wifi are both down. Does anyone know ...
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1answer
39 views

Raspberry Pi: Host a Site That Can Be Viewed by Access Point Devices

I am thinking of making a Raspberry Pi project in which my Raspberry Pi acts as a special WiFi access point that is connected to my home router. Devices connected to the access point will NOT have ...
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1answer
80 views

Unplug ethernet seems to freeze connectivity-check script

I'm working on a raspberry project with a RPi B+, running Debian stretch. I've included a LED which should turn on when the Pi establishes an internet connection, and should turn off when this ...
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1answer
99 views

Local network speed between devices

I have Raspberry Pi 3 B+ with IP 192.168.0.100 and Rock Pi 4 B with IP 192.168.0.200. Both in the same network connected to TP-Link 1043N V5 router. Both Pis have 1Gb Ethernet. However I am not able ...
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2answers
353 views

Raspberry Pi 3B - Headless - No Internet - Ethernet LAN - Router IP Assigned - Error to Connect

Don't know what I am doing wrong but since I had connected Pi to router's LAN port, I am not able to SSH via any OS. Be it Linux or Windows. I am able to connect it easily if I choose WiFi over ...
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0answers
181 views

Raspberry Pi not seeing multicast traffic?

I have a setup in which one Raspberry Pi 3 is publishing ethernet multicast traffic and another Raspberry Pi acting as a subscriber. Both are on a wired connection, plugged into the same switch and ...
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1answer
414 views

Direct connection to Pi with usb-to-ethernet adapter possible?

I've got a pi 3B to which I always ssh over my home network. I'm now going to be traveling for some time and I want to mess around on the go. I read that you can connect directly to the pi using a ...
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0answers
204 views

Ethernet Indicator led on pi 3B+ not glowing

I am a newbie to Raspberry Pi and recently bought Raspberry pi 3 B+. I first downloaded and burn the minibian on sd card as some course suggested minibian. But whenever I connect pi with power, only ...
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3answers
344 views

Where does the Raspberry Pi Ethernet MAC get generated?

I read somewhere (in a few places, actually, can't seem to find the references to it now that I want them) that Raspbian on the Raspberry Pi generates the MAC address for the Ethernet interface based ...
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3answers
3k views

Connecting to RPi from Linux with the ethernet cable without touching RPi

I have a Raspberry Pi 3 that runs on Raspbian and has SSH enabled. However, I don't have any monitor to connect it to (to set up WiFi connection), so my only chance to communicate with it is a basic ...
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1answer
153 views

Two raspberry pi with wifi communication and pc with wifi or ethernet network

I want to setup a network between two raspberry Pi and a pc. The Pi's should use Wi-Fi to communicate with each other, and for the pc it doesn't matter if it's with an ethernet cable or over Wi-Fi. I ...
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1answer
801 views

eth0 static ip at boot

I know this gets asked a lot, but none of the answers are working for me. I have a USB to ethernet dongle on my Windows PC that I would like to connect to a raspberry pi (version 4.14.71-v7+). On the ...
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2answers
1k views

Using a static IP for ethernet and DHCP for Wlan using dhcpcd

How would I be able to use my rPi with a fixed IP on the ethernet port and 'automatic' wifi? I've got the credentials for the known accesspoints, with priority stored in /etc/wpa_supplicant/...
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1answer
184 views

Accessing RJ45 pins individually from Raspberry

I bought a small optical monitor sensor. It basically detects optical pulses from an electrical meter and then triggers an ISR on a datalogger, which is a concrete product for this purpose. Because of ...
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3answers
117 views

Ethernet connection with laptop not working

I just got my new Raspberry Pi3 (model B). I have installed it and now I don't want to use all the cables for mouse, keyboard, HDMI and so on, which is why I have decided to use Ethernet Cable and ...