Questions tagged [ethernet-port]

The Raspberry Pi B/B+/2B/3B has a standard Ethernet port for connecting it to the internet and to a network. Other RPi versions, such as all "A" versions, the RPi Zero and the Compute Module do not have the hardware required though in some cases it may be possible to provide such connectivity with an add-on board.

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Ethernet adapter to rpby Pi Zero

I am trying to connect a Rspby Pi Zero to the internet through a physical cable. Some micro USB to Ethernet femel adapter exist but they charge a lot for it and I am looking for faster delivery. So ...
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LAN_RUN device tree dt-blob.dts for LAN95XX

I have setup Compute Module 3+ with LAN9512 for ethernet port. The only problem is the ethernet chip needs a pull_up for shutdown I have connected GPIO31 to LAN_RESET in my circuit I am trying to ...
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Raspberry Pi4B RJ45 etchings

What does the etched (vs non-etched) RJ45 jack indicate? I have 3 of the 2GB versions; only one works in the remote location powered by PoE. The two that do NOT work - the newest and oldest of the 3 -...
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LAN only works if connected directly to the router

I have this setup: A router in my living room that "feeds" all internet plugs. In my office the LAN connection works correctly with my PC and PS4 but my Raspi 4 does not detect any signal. However, ...
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SSH - Not able to ssh from my laptop to raspberry after rebooting the pi

Greetings to the community! I am struggling establishing an ssh connection from laptop (Windows 10) to my pi connected to it through an Ethernet cable (raspberry pi 3 model B+). The process I am ...
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Raspi 4 - Extremely Poor LAN Performance

So I'm decently experienced with raspberry pis / SBC, but i've never seen anything like this before. I can't seem to get more than 2-5mbps down on this thing. I have a 400/20 cable connection here in ...
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rPi 3B+ boots with no activity light or ethernet

I’ve been using a 3B+ headless for several months. Yesterday I rebooted like I normally do using sudo shutdown -r now. It shut down, but wouldn’t boot up again. I figured I had done something to the ...
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Connect switch to rpi eth1 and provide a custom dns

I am having issues finding the correct approach to take with my RPI setup. I have a router that does not let me disable DHCP and subsequently wont let me modify the DNS associated. I would like all ...
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Connect IP Camera to Raspberry Pi 4 through direct ethernet connect

So we have 3 things: Raspberry Pi 4 IP Camera Ethernet cable We just want to connect the IP Camera to the Raspberry Pi 4 using the ethernet cable directly. Not through any router, switch, network or ...
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In Python, how to send data from a Pi to a PC and back over ethernet? [closed]

Here is my Pi code: socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) ip = "PC's ip address" port = 5005 serverAddress = (ip, port) socket.bind(serverAddress) socket.listen(1) print("Waiting ...
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My raspberry pi 4 b has problems with ethernet

First off I dont have a monitor or ap isolation. Secondly I dont have my computer working it died, i only have my android phone. I borrowed my friends computer to flash with raspberrypi's windows ...
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1answer
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Cannot access internet after upgrade to Buster

I have a raspberry pi 4, which I set up as accesspoint (bridge). I performed an apt update and apt upgrade. That process did not indicate any problem. I'm now on raspbian buster. After a reboot, I'm ...
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Ethernet Connection via Laptop to Raspberry Pi

I have been trying to design a project on my R-pi for months. I have been able to work of my R-pi from my home WiFi. However when I enter my Library's public network it cannot connect to the servers. ...
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Connect raspberry pi to another device via ethernet cable and assign it an ip address

I need to connect a device to raspberry pi via ethernet cable, the said device has no wireless functionality. I understand that we have hostapd on raspberry pi that can setup wireless access point, ...
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Unable to ping from the Revolution Pi Connect (Raspberry pi based IIoT device) to PC?

Before going ahead what is the problem I am facing let me give you a hint about the Revolution Pi Connect an IIoT device based on Raspberry pi:https://revolution.kunbus.com/tutorials/uebersicht-revpi-...
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223 views

When socket programming on raspberry pi, getting ConnectionRefusedError

I am working on a simple project where I need two raspberry pi's communicating each other with an ethernet cable. I connect one end of ethernet cable to let's say first pi and the other end to second ...
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1answer
329 views

How do I setup DHCP on a 2nd port?

My Main Question How do I configure my RPi so that I can share its internet connection with an IoT device plugged in via ethernet cable in addition to sharing its internet connection via its wifi-...
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I want to give Internet to the Raspberry Pi via PuTTy

I can't connect the Raspberry Pi to the internet due to VLAN vulnerabilities. I can connect the Raspberry Pi via Ethernet just in the network to connect to PuTTy. I want to connect the Raspberry Pi ...
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Connect a RPi with an android device directly via Ethernet

For a certain project I have a very specific need to connect a Raspberry Pi with an unrooted android tablet through a UTP cable (with an adapter on the android side). Both of these devices work fine ...
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796 views

Building a 'Packet squirrel" using Raspberry Pi

I recently read about hack5s' Packet squirrel, and now I am interested in building a similar device that sits between 2 endpoints (say router and PC) and monitor all the traffic but be invisible to ...
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Does the Pi 4 resolve the Ethernet+USB bottleneck issue of past versions?

The Pi 3 (and previous models) had an issue of bottlenecked bandwidth when using Ethernet and USB simultaneously. Is this resolved in the Pi 4?
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Broken eth0 (not about strange name)

Well, when I got my RPi3B+ all was gud as it should be(probably). But now my Ethernet port just don't work. Many distros just don't shows eth0 (or neb24dfaw or how it...) (like with ifconfig -a) and "...
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Raspberry Pi 3 with Chromebook offline over Ethernet Cable

I will need to use my Raspberry Pi soon without an internet connection and am trying to set it up to run headless through an ethernet connection. I am using a Chromebook Samsung 3 running Linux in a ...
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765 views

Static IP Issues For wlan0 and eth0

I'm having issues with using a static IP for a Raspberry Pi 3. What I'm trying to do is connect 4 Raspberry Pis as nodes/slaves to a single Pi which will act as the server/master. I'm using OSC ...
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How to Connect Raspberry Pi 3 to Laptop via Ethernet Cable

How do I display Raspberry Pi 3 screen onto laptop? I followed instructions to set up Raspberry Pi here, https://projects.raspberrypi.org/en/projects/raspberry-pi-setting-up I got up to here, https:...
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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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231 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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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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1answer
3k 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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Routing issue - Wifi to LAN

The plan is to be able to connect to the wifi home network and connect a Cat5 to the eth0 port. Then connect the Cat5 to a pc. I then want to be able to connect to the pc via RDP from the internet ...
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622 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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934 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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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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Official “securing your pi” guide recommends blocking port 30 from 192.168.2.1 - why?

The official "securing your pi" guide from the Raspberry Pi foundation recommends installing the "uncomplicated firewall" (ufw) and adding a rule to deny access to port 30 from 192.168.2.1: sudo ufw ...
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1answer
607 views

Under-voltage problems when using the new PoE hat

I'm experiencing some issues with the new PoE hat when using my NETGEAR gs108pe PoE switch. Basically when I use my raspberry pi 3B+ with only my HDMI monitor and a USB serial converter attached (...
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Faulty Ethernet interface?

After running apt-upgrade on a Raspberry Pi B+ 512MB to bring it to the current version of Raspbian GNU/Linux 9.4 (stretch) the Ethernet connection stopped working. The interface's behaviour after a ...
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491 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
729 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 ...
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215 views

What's the difference using RS485 or tcp/ip connection?

Are there any differences to connect a Raspberry Pi to a BU unit via TCP/IP or RS-485? I'm trying to connect the raspberry pi to this, to unlock a lock: Intelligence storage Locker control module/ ...
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607 views

Extra gigabit ethernet to raspberry PI B+

I'm looking for extra gigabit ethernet. I need 4 EXTRA ethernet ports on my raspberry. Can anyone help me? Is there a breakout board with the chip lan7515?
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Raspberry Pi 3B+ Ethenet socket Orange LED flashing

I have this weird issue with my Raspberry Pi 3B+ where during normal operation, e.g. while running sudo apt update && sudo apt upgrade the command errors out saying it couldn't connect to the ...
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6k views

Connecting RPi to 2 different networks

I'm pretty new to Raspberry and I searched the net for a while now trying to find a good and simple answer to this question. Ok, so I have a network that is connected to the internet. I want to start ...
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636 views

RaspberryPi3 Model B - Replacing usb with additional Ethernet port

I wanted to ask whether it is possible to somehow remove one of the double usb hubs and solder there additional RJ45 port? I know it is possible to use USB to ethernet dongle but that is sadly not an ...
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1answer
5k views

Connection to MySQL database does not work

I have two Raspbery PI 3 which I have installed (almost) identical. The configuration of /etc/mysql/mariadb.conf.d/50-server.cnf is identical for both Raspberrys. Problem: I can only connect to the ...
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Using dhcpcd.conf for VLAN interfacing (raspbian stretch)

I want to add a VLAN interface to the eth0 port of my raspberry pi. I have assigned a static IP to my physical interface eth0 and my /etc/dhcpcd.conf file looks like this: interface eth0 static ...
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282 views

Get modem msisdn from incoming smstools

I have device and modem connected with sim card. And I have raspberry and smstools installed in the device. It all works very good with smsd configuration. When sms is sent to the the number of the ...
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1answer
4k views

ethernet interface interrupts connection

When I use the ethernet interface with Raspbian it interrupts the connection for many seconds so streams will break and a ssh terminal stuck for minutes. For me the ethernet interface is not usable ...
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Pi Won't Connect to Ethernet or WiFi

EDIT: This is a brand-new Pi 3 board running raspbian I just got my Pi, and for whatever reason I can't access the Internet. Ethernet will try and configure forever, and when I try to connect to ...
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351 views

Connect to the raspberry over SSH via mobile connection

I finally got it working that I can use a Huawei E173 modem on my raspberry. When activating it with sudo ifup 3gModem everything works fine, and it connects itself to my Server as I can see it ...
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3k views

Connecting to Pi 3 via USB to Ethernet Adapter

I have a USB to Ethernet adapter I normally use to connect my 2 PCs and share files. I tried to use it to connect my PC and Pi 3 but it seems its not receiving any data from Pi 3. The connection is ...