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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Raspberry pi ethernet light blinking a color when connected to laptop

I have received a Raspberry Pi 4 Model B, and have been using it for several weeks. I had installed OpenWRT(21.02.1) on one of my MicroSD cards and had put it into my pi. I don't have an external ...
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Why did Pi-4's port layout change?

If you look at a Raspberry Pi 4 B from port side the side of the USB ports, it's a striking difference to previous B-models that USB block and ethernet jack have switched places. To me this is a ...
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Forwarding incoming traffic to a pi to another port

So I have my pi 3b connected to another device with an IP address of 192.168.250.1 via Ethernet (eth0). I set my static IP address to 192.168.250.100 so both could communicate. The device wants to ...
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Trouble communicating between a raspberry pi 3b and Omron plc using pyModbusTCP

Ok so I am trying to communicate with an Omron plc using a raspberry pi running the latest version of raspbian (bullseye in this case). I have been trying to keep it simple, so the only thing else is ...
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Can you hack a regular Raspberry Pi 3 B (not the plus model) to work with one of the PoE Hats?

The regular B-model (unlike the B-plus) does not have the extra 4-pin header located new the ethernet jack that the various PoE(+)-HATs need. However, the nonplus B-model's ethernet jack does have a ...
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Open a port for flask - remote vs. localhost

I have flask running in a daemon on my Raspi. @app.route("/cmd",methods = ['POST', 'GET']) def cmd(): if request.method == 'GET': order_obj = request.args.to_dict(flat=True) ...
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How to assign Eth0 IP from external DHCP server to Raspberry Pi4?

I am trying to assign IP address for Eth0 from my router which has DHCP. I have connected my Pi4 with the router. But the IP is not assigned. How can I solve this issue?
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Sharing the USB tethering through the Ethernet port

I would like to share 4g(iphone usb) over the Ethernet port. now i got it working with these commands sudo brctl addbr usb2eth sudo brctl addif usb2eth eth0 sudo brctl addif usb2eth usb0 sudo ...
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Not working ethernet connection from switch - Unifi Controller on Pi4

I've installed unifi controller sw on my Pi4 and managed to start the service, but when I connect the Pi via Ethernet cable to the switch, there is no internet connection. When I connect Pi directly ...
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Gigabit Ethernet on RPi3B+

I have a problem with my network interface. My ISP provides a 1000Mbps download connection, but doing a speedtest from my raspberry pi 3b + it stays below 10Mbps so I ran ethtool eth0 and I find that ...
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Troubles understanding routing rules

I'm trying to use my RPI3 in order to read datas from ethernet communication and send them over wifi to a remote FTP server. I've been able to connect my RPI3 to internet via wlan0 so far, however I'...
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Pi2 as an USB-Switch to share his eth-connection

I want to share my thoughts and questions about using a Raspberry Pi as an alternate Switch/Router or whatever. First my problem is, I have 3 stationary PCs, all of them are connected to a switch (eth)...
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Can't get Gigabit speeds with my Raspbberry Pi 4 powered NAS [duplicate]

I have a Raspberry Pi 4 acting as a NAS which I connect directly to my computer through cat 5 cable from the Ethernet port on the Rpi4. I have set up a file-server using SFTP and that has worked well, ...
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pi4 won't return after reboot connected switch?

I have PI4 that connected to router after I reboot ONLY the router , I can see the pi is still connected to the router - but I can't reach it. The pi have static ip. No ping to the pi , disable \ ...
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VPN console dongle

For some reason the only way to connect a console or a streaming device to a VPN is thought a windows PC by sharing the network. My idea is to make a dongle of sorts were I can connect an ethernet ...
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add SPI wthernet connection , not working - how can I check why?

I have added a spi ethernet tp my pi zero connected it and added the needed files anyspi.dtbo , w5500.dtbo added in config.txt dtparam=spi=on dtoverlay=anyspi,spi0-0,dev="w5500",speed=...
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Is it possible to enable 1 Gbit ethernet on RPi 2, 3, 4? [closed]

By default, it seems that the ethernet port on RPi 2 is 100 Mbit. Is there a way (via software) to enable 1000 Mbit ethernet? I also have the same question for RPi 3, and RPi 4.
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Is it possible to make a WIFI to LAN Bridge with the RaspberryPi3b and Bridge Utils?

I am currently trying to make a bridge between the Wifi and Lan on the Raspberry Pi 3b with Raspberry Pi Os Lite for an Assignment. The Task is to connect the Raspberry to the Wifi and then Bridge it ...
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RaspPi as Master, 4x ESP32 with cameras... Networking, Image transfer and logging [closed]

To give some background: I am a seasoned software developer with experience to different degree in (Java, Python, JavaScript and even some C/C++), but I am new to IoT. The project I am planning is a ...
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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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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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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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963 views

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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312 views

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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371 views

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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970 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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862 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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619 views

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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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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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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355 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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5k 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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882 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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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 ...