Questions tagged [networking]

Questions about home networks, internet, repository issues or anything else regarding networks.

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Network Sharing Fron Linux PC through ethernet

I have a Pi connected to my computer (running linux) through ethernet. I need this configuration for other purposes as the raspberry collects data from sensors and the data is sent through ethernet to ...
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Share wireless internet from RPI4 to RPI0 over usb without changing the routed access point

I'm trying to use a RPI4 as a routed access point so that I can use a USB wifi dongle to connect with my laptop or other devices. I have this part complete by following the RPI documentation. Next I ...
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2 votes
2 answers
61 views

dhcpcd.conf inform vs static ip vs request. How should you REALLY setup a static IP?

I am trying to setup static IPs on my 5 raspberry PIs and there is no clear answer as to which configuration to choose and why. As per a comment on one of the answers to this question How do I set up ...
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How to use a Raspberry Pi to Redirect mobile devices that connect Wi-Fi to webpage/URL

I want to use a raspberry pi to broadcast a public Wi-Fi connection that Redirects all mobile devices that connect to the PI to a specific webpage outside of the local network after Wi-Fi connected. ...
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Raspberry Pi - Sharing Internet with Eth0

My RPi is connected to Wifi. And there is a switch which has DHCP cache and connected devices to it. For ex: PC1 is connected to VLAN10 in switch, and VLAN10 has DHCP range 192.168.1.0/24. VLAN10's IP ...
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Raspberry Pi Send Requests to two networks on Dual WAN Setup?

I have two networks with approximately 150 machines each that are running on their own WANs (for bandwidth purposes). Each of the WANs has a Modem/Router combo running its own custom OS and each is ...
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Raspberry only response to IPv4 ping

I have a Raspberry 4. It is setup with the Raspberry OS. Everything works fine. No errors. But there is still one issue and i am not sure by what it is caused. I found out the IP-adress of my ...
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core-image-base with wpa_supplicant how to switch between static and dynamic IP address

WPA supplicant has an option to fallback from STA to AP mode in case connection to a WIFI network fails. However in STA mode I use DHCP for wlan0 and in AP mode I need to assign a static IP address to ...
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How to install LTE USB Huawei EE3372 on Raspberry pi zero?

HELP ! I never worked on Rasperry before, only arduino. Been trying for some time now to install LTE USB modem, Huawei EE3372 on a Raspberry pi zero. Found several instructions on the internet, some ...
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How to detect if a wireless adapter is recognized in a Pi Zero W?

I'm making an IoT device with a raspberry pi zero w for a friend to use. Right now, here's what I'm trying to do: Raspberry Pi spins up a wifi network using a USB wifi adapter Any dns lookup will ...
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How do I get Docker host mode networking to work on a Pi?

I have Docker running on my Pi running Raspbian right now, so far it's okay but I want to enable host mode networking so that I can obtain the source IP addresses of requests going to my container. ...
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Why does dhcpcd flood my logs with with useless messages when I use the `inform` option?

In accordance with man dhcpcd.conf I used the inform option to set a static IP address. Using this option seems to cause my DHCP client dhcpcd to flood my logfile with useless messages. Here is a ...
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RPI disconnected and won't connect again to network, how can I resolve the issue?

Both Wifi and Wired connection not working which worked before. I set up static IP for both wifi and ethernet. What options do I have to resolve this issue?
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Check last time internet connection was made

I would like to know the last time my Raspberry Pi Zero (1.7W) was connected to the internet. OS: Raspberry Pi OS Lite, Kernel version: 5.15 & Debian version: 11 (bullseye) There was a similar ...
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Why is nmap reporting a MAC address that isn't there

I have a Pi 3B that I have used in several different projects. It is currently running a Bullseye image created for interacting with Ham radios, a project called Nexus DR-X. When I execute "...
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Connecting to Pi4 Remotely

I have been trying to connect to my PI 4 via remote VNC, SSH, XRDP followed all the instructions, like port forwarding on 80 and 443 on my WLAN IP, the hostname is 127.0.01 but my IP 10.0.0.226..is ...
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How to host a network via wifi and ethernet in C++

I would like the raspberry pi to host a network for 2 client devices 1 of the device will be connected via wifi and the other through the ethernet port. For the ethernet port i assume you would need a ...
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I want to make a dhcp server on the raspberry pi however it seems to not work while I have the dhcp client running

When I use both the rpi dhcp client to get static IPs or dhcp IPs for my interfaces and then use that information for a dhcp server , I get a ton of errors when checking the status . The only semi ...
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2 votes
2 answers
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Connecting RPI Zero W2 to different Wi-Fi AP simultaneously or sequentially

I am trying to use a RPI Zero W2 to solve a problem I have with collecting files from an IoT device. Specifically, I don't know how to setup the Wi-Fi network(s). Any inputs to my questions would be ...
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No ~/.config/lxsession/LXDE-pi/autostart to modify

I'm trying to follow instructions at: https://content.instructables.com/pdfs/EKO/ROX0/JCKUMYMR/Share-WiFi-With-Ethernet-Port-on-a-Raspberry-Pi.pdf I've hit a stumbling block at adding sudo bash /home/...
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Raspberry PI not visible on windows explorer

I use a raspberry pi(3b+) for home assistant. It ran a few weeks good, but suddently it didn't work anymore. Now i can not even anymore access the raspberry pi through windows explorer. Does anybody ...
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How do I access the files on the other computers on my network from my Raspberry Pi 0W?

I have a raspberry pi 0 w with Raspbian Bullseye 4.1. Using version 3.0 of Rasbian, I could connect the Pi to my network and access files on other computers that were also connected to the network. ...
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Connect to one WIFI via wpa_supplicant works but not to any other one (Pi Zero W)

For an application on my Raspberry Pi Zero W I need WIFI access. Developing at home worked great, but when I try to connect to any other WIFI network than my home WIFI I just cannot establish any ...
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Use eth0 for all network traffic, only allow ssh on wlan0

I have a RasbperryPi which is connected with Ethernet (eth0) to a VLan (vlan0). This VLan has only access to the Internet and devices in the VLan (vlan0) can not communicate with each other. ...
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Connecting Several Pis over Network

I am running an Intro to Robotics class, and I am having them create different projects to use in my classroom with pi zero 2ws. For example: a countdown clock using LED lights. I want to be able to ...
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-1 votes
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RPI 4B & Python 2.7: Using multiple network interfaces with potential internet connection

In my current setup I have a RPI 4B, which is connected to a sensor. Every now and then the raspi has to upload the sensor data into a databank. The deployment scenarios of this system are quite ...
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Vulnerability Scanner for IoT Devices using raspberry Pi

It's my final year project to develop a Vulnerability Scanner for IoT Devices, Here is the proposal of that project "The goal of this project is to put a vulnerability scanner on a Raspberry Pi ...
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How to communicate between multiple Raspberry Pi using Python

I am looking to buy some Raspberry Pi computers to do various tasks. For example, maybe one could water a plant when requested. The part I am struggling to find help with is creating a server where a ...
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Raspberry PI loses IPv4 address randomly but keeps IPv6 address

For quite a long time now my Raspberry PI 4 has been loosing connectivity every few weeks. However the last 2 weeks or so my Raspberry PI has been losing connectivity almost daily. I'm running quite a ...
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can't connect to ssh in a Raspberry py with two network interfaces

I've looking a lot but I dont find the solution. My Rpy has a 3G modem connected wich is the ppp0 interface and the wlan0 interfaces, both have internet access but if I put the ppp0 with higer metric ...
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Connecting 4TB NAS Hard Drive to RPi 4B

I have currently set up a NAS using a 2TB external USB hard drive on my RPi 4b using Samba. The problem is my HDD is now slow and doesn't provide enough speed for my plex media server direct stream to ...
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1 vote
1 answer
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Intermittent wireless ping failures

I am running Raspbian 11 on Pi Zero W. I use the built in wifi. The board is new with freshly installed OS. Issues have been present from the outset. I can connect to my home wifi with no issues. But ...
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-3 votes
1 answer
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Hey guys I am having trouble running the apt-update command

I am having issues connecting to the archive.rasbian.org , re installing is not an option since I had just finihsed a project and have to show my work , this issue is usally a simple fix on debian but ...
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2 answers
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How can I make it easy for my worker nodes to know where the central node is?

I'm using raspberry pis for an application where I have a number of raspberry pis that need to talk to a central raspberry pi over a local wired network. They are connected using a POE router that ...
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rpi shows 2 IPs - both old and new one

I have a rpi 3b+ on which i have installed pihole, pivpn(wireguard), xrdp and vnc. rpi IP was initially 192.168.0.187. I had trouble connection remote from another network (not all of them) to my home ...
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2 votes
1 answer
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mDNS for Pi stopped working

First time setting up a Pi yesterday, I installed Raspberry Pi OS Lite 64 bit and filled in options in the Imager application to configure wifi out of the box, as well as setting the hostname and ...
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ARP proxy: DHCP relay not forwarding offers

I am trying to use a Raspberry 3B+ (running the image 2022-01-28-raspios-bullseye-arm64-lite) to transparently 'bridge' traffic coming on eth0 to the Wifi interface (wlan0), all on the same subnet. ...
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My raspberry is not available from local network

I have an old raspberry pi 2011.12. It has installed an up to date raspbian (headless). It is connected to my local wifi network and internet. SSH is enabled. The following commands work fine on the ...
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Raspberry Pi 3B not booting from network (without sd card)

I am trying to boot my Raspberry Pi 3B (not plus) using network boot (without any SD card). So in order to setup the required OTP bit, I added program_usb_boot_mode=1 to my config.txt file and ...
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renaming network interface

I have a number of raspberry pi 3 and 4 on my network and I would like to standardize much of the networking for all of the units, as well as the linux host PC's. Is there any reason I can't change ...
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RPi VLANs works, but can't use ping or traceroute source address or interface

At Using dhcpcd.conf for VLAN interfacing (raspbian stretch) there are instructions for how to set up a Pi to talk to VLANs, which works fine. I have four VLANs on my Pi: eth0 - static IP 192.168.0.94 ...
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Cannot find name of my network interface card on Ubuntu 20.04

I Ubuntu 20.04 Desktop OS running on Raspberry Pi 4. I have connected a printer to the Pi's ethernet port, and I have troubles in assigning a static IP using netplan. The problem is I cannot find the ...
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Looking for help creating a secure IoT network with a Raspberry Pi

For a school project I'm trying to figure out how to create a safe network for IoT devices using a rpi. To achieve that I want to use basic things that are available on raspbian like iptables and ...
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1 answer
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Connection on Raspberry/Ubuntu as Access Point Wifi > Ethernet > Internet not going through

I managed to set up hostapd using wifi-ap via Snap so my Raspberry Pi 4 creates a new Wifi Network Ubuntu that I can connect to. When I log in to that Raspberry via SSH using the new network, I can ...
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How to resolve stalled data transfer during 'sudo apt-get upgrade'?

My board is a Raspberry Pi Zero W. I have freshly installed Raspberry Pi OS Lite. Release date: October 30th 2021, Kernel version: 5.10 I have connected USB hub, mouse, keyboard, and monitor. The PSU ...
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Fresh installation - pi 2 - wired to LAN, has ip address, but hangs at 'sync to clock' and won't update, or subsequently connect to internet

Had this pi 2 running a pihole for ~ 4years without a problem; First with Jessie, then Buster. Since adding a pi 4 (running Ubuntu mate) to the LAN, the pihole won't connect to the internet (though ...
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Force internet connection via wlan0

I have a Raspberry Pi connected via Ethernet to a local LAN that doesn't have internet. This Raspberry has a static IP fixed as 192.168.1.23 since we need each device in this LAN to have an specific ...
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171 views

Connecting Ethernet cable to Raspberry Pi causes Wifi to drop (and Ethernet does not connect)

I have a Raspberry Pi4 that had been operating with no problems for months hosting several services (including WireGuard and Jellyfin (with an attached USB drive)) via an Ethernet connection to the ...
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RPi 4 - route internet from android to LAN

i am trying to do a "router" from Raspberry Pi 4 2GB Model. Rpi all is set, working, installed updates etc. Pi will run standard Raspbian Bullseye (newest OS), with Pihole and other software....
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Raspberry pi 4B 8 GB: Slow network performance with shared samba directory

I've set up an Raspberry pi in a network with Gigabit NICs. On an SSD I have set up an shared SMB directory. The SSD itself writes with more than 400 Mbyte/s. Due to an encryption this drops to 160-...
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