Questions tagged [ethernet]

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

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342 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
546 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
160 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
55 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
269 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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0answers
28 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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70 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
1k 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
507 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
445 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
2k 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
345 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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633 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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0answers
38 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
95 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
321 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
94 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
350 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
270 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
42 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
980 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
64 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
43 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
103 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
174 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
468 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
295 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
616 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
328 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
605 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
5k 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
395 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
1k 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
287 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
178 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 ...
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1answer
464 views

Raspberry Pi Wi-Fi AP problem: no network and internet access on the Pi, though got them on Wi-Fi

I decided to use my Pi as a WiFi-AP, and followed the manual here: https://thepi.io/how-to-use-your-raspberry-pi-as-a-wireless-access-point/amp/ I did not setup a DHCP server though, because my ...
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1answer
118 views

Cannot find `hw ether` to force MAC address change

This is a follow up question to this post and subsequently this post. To save you from a long read I am trying to force a MAC address change on my Pi Zero ethernet adapter with: ifconfig eth0 down;...
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2answers
338 views

RPI 3B+ state of /sys/class/net/eth0/carrier won't change

My application check /sys/class/net/eth0/carrier for ethernet status; it works great on RPI 3B but broken on RPI 3B+. If I plug out the RJ45 cable from both RPI 3B/3B+ : the RPI 3B will change the ...
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2answers
20k views

Access point as WiFi router/repeater, optional with bridge

I need a wireless access point that is bridged with the wired ethernet port and that is connected to another wifi internet router with a client connection as uplink. All devices connected to the RasPi ...
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0answers
49 views

hostapd - using Pi 3 as access point while maintaining Ethernet connection (no bridge)

Currently I have my Pi setup as an access point; It creates its' own network with an SSID and my other devices can connect and exchange messages. For this, I use hostapd and dnsmasq thru wlan0. ...
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1answer
72 views

raspian stretch as ethernet router to VPN not routing between interfaces

I am trying to replace an old box with Rpi to simply provide a VPN connection to some remote point from my LAN All the parts seem to work. From the Rpi I can ping etc local and remote devices and ...
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1answer
152 views

Ethernet & WiFi Pi3b+

I have a raspberry pi 3b+ which I want to connect to two seperate networks. I have an existing ethernet connection which works fine, and i am able to SSH/VNC to the pi over this network. I have ...
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2answers
5k views

10MB/s speed on model 3 B+ gigabit ethernet

I'm running speed tests on raspberypi 3 b+ (gigabit ethernet interface). I've tested with ethtool from the terminal, and it shows Speed: 1000Mb/s Based on this result I assume both the router and ...
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1answer
46 views

Problem connecting pi b+3 model with ethernet cable on a windows machine

I've read multiple guides on how to connect a raspberry pi with a pc through internet yet I always fail . I have a windows machine,I did share the wifi connection with the ethernet which the pi is ...
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1answer
413 views

cdc_subset: probe of 1-1.1:1.0 failed with error -22

I have a FreeAgent DockStarTM Network Adapter running on a debian Stretch OS with its rootfs partition on an external USB memory stick. Using this Ethernet Gadget tutorial and this USB Mini 5Pin ...
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2answers
433 views

Is there a multiple USB to Ethernet hub?

I want to create a network of raspi 0's connected to Ethernet. Can I connect them all to one Ethernet wire via a USB hub? Thanks
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1answer
549 views

Manually change MAC address on USB to ethernet module Pi Zero

Very unusual request here, I know you aren't normally meant to change your MAC address since it's burned into the interface you are using, but I am networking 2 raspberry Pi zeros together, each with ...
0
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2answers
81 views

In Raspberry Light how do I conditionally disable the wlan interface when the eth interface is connected?

We are using Screenly and a Raspberry Pi 3 Model B for digital signage. I see from the documentation that this is running on Raspberry Light version of Linux. Due to the web interface for Screenly, we ...
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1answer
2k views

VPN Passthrough two ethernet interface

I'm a quite new in the network my internet acces have a proxy so to by-pass it I use a VPN hosted on my VPS. I use the OpenVPN Client software for all my devices. (Windows, Android, Linux) I got a ...