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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 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 to ...
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LAN9514 non-standard configuration

We're trying to configure the 9514 on the Compute Module. Where should I start looking to disable LAN9514 auto-negotiation and set full-duplex at 100Mbps? We looked through the LAN9514 datasheet, ...
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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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Using Device on /dev/ttyAMA0 instead of Wifi/Ethernet

How can I redirect all the trafic through /dev/ttyAMA0? I have my RPi connected to a LoRa-Mote over serial. Now I want to be able to send all my internet trafic over the antenna of the mote. Reason: ...
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1answer
206 views

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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1answer
24 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
32 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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2answers
185 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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22 views

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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1answer
191 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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215 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
2k 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
999 views

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
267 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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66 views

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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305 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
279 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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1answer
79 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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1answer
377 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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SSH connection dropped via Ethernet cable

I have two Pis that send data from remote sites via WiFi and needed their WiFi credentials changed. I connect via eth0 and access with ssh -X. Each time I successfully access ssh, the connection ...
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157 views

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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4answers
2k 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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2answers
201 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
2k 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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1answer
1k views

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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220 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
2k 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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3answers
4k views

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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1answer
239 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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2answers
2k 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 ...
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1answer
1k views

Automatically add hotplug network interface to bridge

I have my Pi Zero W set up as a wireless bridge, bridging from wired eth0 to wireless wlan0; of course, wlan0 operates in AP mode. So far so good. Now I'm noticing that when I forgot to plug in the ...
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1answer
877 views

Usb to ethernet converter for Rspberry pi 3

I am having a raspberry pi3 model b v1.2. The ethernet port available in the board is connected to modem. I just need one more ethernet port so i have decided to buy a usb to ethernet converter. What ...
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2answers
264 views

Can I connect to my Raspberry Pi 3 with neither an internet connection nor Ethernet cable?

I am trying to learn how to connect to my Raspberry pi 3 to my laptop without internet or a router. I know some have suggested that I use an Ethernet cable, but my computer (Windows 10) does not have ...
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2answers
133 views

Do the Ethernet lights show error codes?

My moel B is flashing all three network lights (FDX, LNK and 100) toghether about once per second. Is this an error message? There is a cable plugged in but there appears to be a break somewhere ...
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0answers
124 views

eth0 'bricked' - no link light despite fresh install of Raspbian

I am currently working on a project to set up a Pi 3 to serve DHCP leases to devices that connect to an isolated local network to configure them. In the process I have somehow managed to render eth0 ...
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2answers
535 views

Unable to resolve IP address for RPi connected through ethernet

So I want to connect ssh to my RPi 3 through an ethernet port on my Macbook pro. My RPi is on jessie. I am not able to find the local IP address of the RPi through my computer. I can find the ...
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3answers
817 views

Hotel WiFi to Ethernet Bridge

I am going to be staying in a hotel in the future, and I need to be able to use Ethernet devices there. The hotel provides free WiFi, however it has no way of providing Ethernet. I have the idea of ...
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1answer
371 views

Why doesn't a RPi detect a network extended via fibre optic cables?

I have a network connection extended via Fibre Optic (LC, singlemode) cables using two Standalone Media Converters like the MC210CS from TP-Link to bridge the Ethernet to Fibre and again back from ...
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0answers
94 views

raspberrypi 3 (minibian): wlan0 doesn't work without eth0 being plugged in to router

I'm customizing my minibian distro and now having hard time to set up two network interfaces: wireless (wlan0) and wired (eth0). I want eth0 to have a static IP (in case I need to connect it to the ...
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0answers
61 views

RPi3 with Mate: no HDMI output without Ethernet connection

I'm running Mate (LTS) on my new RPi3. Everything is working fine as long as I plug in an Ethernet cable. If the cable is removed, my screen (connected via HDMI without adapters) immediately turns ...
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2answers
3k views

Chromium can't reach site when i am connected to my wifi network

Yesterday i got my Raspberry Pi 3 model B and I have internet problem. I have Ethernet cable to my computer (mac) and I use my mac as a router. Everything works fine on my phone, but when i connected ...
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2answers
171 views

How to stop raspberry pi from disabling WIFI SSH access when ETH0 is plugged in

Hey everyone I have an rpi3 model B. Built in wifi works fine and ethernet too. However, I need to be able to plug it into a second network via ethernet but access it via ssh on it's wifi network (...
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1answer
1k views

Raspbian Jessie lite Ethernet defaults to random ip fresh install

Fresh install of Raspbian Jessie lite, headless, on raspberry pi 2 model b Have USB wifi dongle that connects me to network. However Ethernet defaults to a random ip address? And then plugging in ...
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2answers
946 views

Ethernet not working, sometimes defaults to random IP - raspberry pi 2 model b

Raspberry Pi 2, Model B Latest Raspbian Jessie - Headless I have spent literally weeks of my spare time trying to debug this - so naturally, it's probably a simple problem I have mucked up. I have ...
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1answer
2k views

Windows 10 bridge creates duplicate IP

The RPI is connected via ethernet to the laptop. There is a bridge on the laptop between wifi connection and ethernet connection. When I look at the pi's IP I get the same IP as the laptop. I ...
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1answer
7k views

Connecting two Raspberry Pi's via Ethernet

I'm currently working on a project that uses a rpi to do controls and data acquisition on a hydroponics system. However, I want to use another pi as a webserver that would also host a database for the ...
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1answer
89 views

Piface Digital Master and PiFace Relay Plus Slave

I wish to control four state reconfigurable antennas in a propagation measurements using RPis at both ends of the propagation channel. The headless master RPi has a PiFace digital to control the start ...
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1answer
69 views

Wireless connection dropping after pluging in ethernet

I have a rpi 3 model b and am currently trying to set it up so that it connects to my wireless network and then connects through an ethernet cable to a copier in hopes of eventually being able to use ...
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1answer
1k views

RPi zero ethernet connection via HDMI port using a HDMI to RJ45 adaptor

I would like to connect the Raspberry Pi Zero to my laptop using an ethernet cable without using the micro-USB port. Currently I can connect using ethernet cable through a micro-USB to RJ45 converter. ...