Questions tagged [networking]

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

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141 views

Can not see Pi Zero on my network

I can't seem to find anything on here already with the same case so I'll go ahead and ask. I am trying to connect to my pi via SSH, but I can not see the pi on the network. I have: Flashed the SD ...
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1answer
79 views

Need Two IPs (but do not have any control over static allocations)

Brief: Is there an accepted way to request two IP addresses and reserve them for use by one machine? I don't believe that I am allowed to get two IPs from a DHCP server with one interface and one MAC ...
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1answer
86 views

Forward from Macvlan Bridge to tun0 Inside Namespace [closed]

Trying to isolate OpenVPN from host in a Namespace for only wireless clients. Set up a namespace, added a veth pipe to the host, and iptable forwarded it with eth0. The namespace VPN tested with pings ...
2
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1answer
102 views

Why can't my Raspberry Pi 4 connect to wireless consistently?

I'm a beginner when it comes to configuring a network through a Linux terminal. I was trying to turn the Pi 4 into a server but at some point, during configuration, I messed up the networking and had ...
1
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1answer
82 views

Single Device Appearing as Multiple Devices on Network

Brief: I want my Raspberry Pi to appear as multiple different devices on a network. Details: My laboratory contains multiple test equipment that communicate GPIB/SCPI/VISA via a USB interface. I would ...
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1answer
42 views

Namespace commands configure veth0 with a 169.254.x.y address

While experimenting with Namespace setup found that the following commands consistently configure veth0 with a 169.254.x.y address. I've checked everywhere in the system and cannot find a reference to ...
0
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1answer
87 views

OpenVPN Restrict tun0 from internet access for local system

Goal is to provide VPN access only to wireless connected clients. The problem is that all internet access on the local system goes to tun0. Like to be able to start and stop OpenVPN service without ...
0
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2answers
104 views

Prevent automatic connection to open wifi

I am using a Raspberry Pi 2 with a USB wifi adapter (headless setup). The wpa_supplicant.conf file contains authentication information only for my wifi access point, and the pi connects to it as ...
0
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1answer
104 views

Pi4 Wireless AP: Can't Ping or Forward to eth0

Goal is for clients to connect through Pi4 AP to the WAN. The Pi4 is inside the LAN and wire connected to a router LAN port. After much effort a client can now connect to the Pi4 AP but cannot ping ...
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2answers
104 views

Is This an Issue?

Reason For Pi4 I'm trying to setup a headless fileshare/music server Setup A Pi 4 Model B 8GB inside a DeskPi Pro Case, all connected to a Tripp-Lite B004-HUA4-K containing a Crucial SSD. I haven't ...
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0answers
80 views

Install Gnirehtet on Raspberry Pi 0 W

So recently ive been using a little programm called gnirehtet to reverse tether my internet connection from my pc to my phone which works great. But i also have a raspberry pi 0 w with raspian on it. ...
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1answer
34 views

Use ethernet port for smb share transfers, but smb should still be accessible over wifi

I'm pretty new to Linux networking and I'm not sure how to fix a file transfer issue I have. I have two Raspberry Pis. One is running Raspberry Pi OS and the other is running OSMC. Both are connected ...
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1answer
186 views

Why Interface wifi Change every reboot?

I connected a wifi adapter, I have a different connection configuration for each one but when restarting the interfaces change, wlan0 -> internal wifi, wlan1 -> external wifi After reboot: wlan1 ...
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1answer
49 views

Port forwarding / tunnelling for web server

I've been looking for a tunneling service, but it seems like most information is outdated. I've been using portmap.io for a while, but they only provide tunneling for one port. The main requirements ...
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0answers
60 views

No DNS in resolv.conf when using dhcp

Firstly, I have to mention that I am configuring the network interfaces manually by modifying dhcpcd.conf and wpa_supplicant.conf. I need to do it like this because of the project that I work on. ...
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2answers
83 views

Connect two raspberry pi via usb to one pc

I have one raspberry pi zero connected to my windows pc via usb. It is connected as an RNDIS Gadget. I use VNC to operate it headless. I would like to connect a second pi zero in the same way. Is ...
0
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2answers
411 views

No name resolution on host running pi-hole

I have setup pi-hole on my raspian buster and it works as intended for clients (IPv4 and IPv6). The host on which pi-hole is running, however, cannot resolve any addresses. My Pi has a static IPv4 ...
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1answer
117 views

Pass traffic from one network interface to another

I have a project where I have 4x RPiZ plugged into a single RPi4. The RPiZs appear as Ethernet over USB devices as network interfaces ethpi1, ethpi2,ethpi3, and ethpi4 with IP addresses 10.0.11.2, 10....
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0answers
131 views

Website behind Firewall: How to SSL through a Reverse SSH Tunnel?

I have a website (Apache) hosted on my RasPi behind the apartment's firewall. A reverse SSH tunnel is established between the RasPi and a cloud server outside for port forwarding. The site's domain ...
1
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1answer
46 views

Routing setup to bridge eth0 and wlan0 without internet

I'm trying to configure my raspberry pi to act as a DHCP server to so that any device that connects to eth0 or wlan0 will get an IP and be able to communicate with devices connected to the other ...
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1answer
56 views

My Pi is not getting Internet even though he is on the same switch as my PC, which is getting internet

So I have only one LAN-Socket in my room, so I have a cable running into a switch, connecting it with my PC and my Raspberry Pi b+. Now, most of the time, I only use this to ssh into the Pi from my PC,...
2
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1answer
66 views

Connecting two Pis in ethernet

I wanna connect two RPis together with an ethernet cable. I did it and test with ping function and it works, I can communicate. But for my task I have to be sure that the IP addresses are static on ...
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0answers
27 views

get google-authenticator working in other network than configured

Recently I enabled 2FA on my RPi 4B using google-authenticator as in this tutorial: https://www.raspberrypi.org/blog/setting-up-two-factor-authentication-on-your-raspberry-pi/ It worked fine, however ...
0
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0answers
91 views

Got an IPv6 address on my wifi (dnsmasq) but no internet connection for connected devices

I got IPv6 with dnsmasq runnig on my raspberry to serve mobiles and other wifi devices. The raspberry pi is connected via eth0. The wlan0 device serves IPv6 addresses but the connected devices can't ...
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0answers
50 views

Why does browser fail to connect with IPV6 off?

Used this guide to stop ipv6 leak https://www.leowkahman.com/2016/03/19/disable-ipv6-raspberry-raspbian/ When VPN is disabled there is no problem. Leak test shows IPV6 disabled. When VPN is enabled ...
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2answers
1k views

Raspberry Pi Zero W can't connect to wifi

I have been trying to setup a raspberry pi 0w to connect to my access point but I can't get it to connect. The first thing I did was to enable USB ethernet and make the ssh file so I can connect to it ...
2
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3answers
1k views

RPi fails to get DHCP-assigned IP address

tl;dr: After my local network addressing scheme changed from 192.168.1.X to 192.168.21.X, my RPi failed to adapt and was still accessible via 192.168.1.2. When I added iface eth0 inet dhcp as the last ...
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1answer
821 views

Raspberry pi won't connect to hidden network

I have a raspberry pi 4 running raspberry pi os lite(headless). I have a wifi dongle attached to the pi for a better wifi signal (wlan1) as the built-in one was giving me issues, but I couldn't get ...
1
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2answers
321 views

Access Raspberry Pi behind a NAT firewall through Internet

I have been developing projects with Raspberry Pi 4. For the current project I am running a NextCloudPi server on it. I am able to access the server using my Internal IP. I want to access it using a ...
0
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1answer
398 views

IPv6 not reachable

I have this strange bug on my Raspberry PI that my public IPv6 is not working (sometimes!). When I restart my Pi the IPv6 gets assigned and I can reach my Pi from the internet. However and some point ...
0
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1answer
462 views

Pi hole: How to set the DNS server back to the router?

There are plenty tutorials how to set up the pi-hole as a DNS server. But I cant find any how to do the reverse. I set up a pi hole as a DNS server and configured in my router to sent all traffic ...
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0answers
65 views

How to setup a Raspberry Pi as an access point with bridge and wifi with NAT?

I follow link below for setting up RPi access point with a bridge Setting up a Raspberry Pi as an access point - the easy way I install cloudstack manager which has cloudbr0 bridge Now I want to have ...
1
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1answer
200 views

IPv6 setup issues, pls help

I'm trying to setup my ipv6 on my raspberry pi 4. Now when I reboot it with fritzbox set to 6to4 I can't access my raspberry any more from my network (ssh, webmin etc). Additionally I can't access ...
2
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2answers
4k views

PiHole Not Resolving Local DNS Entries for clients with static IPs

I have a Raspberry Pi 2 running Pi Hole 5.2.2 and Cisco Linksys E2000 router running DD-WRT v24-sp2 (08/12/10) std-usb-ftp I want to be able to have PiHole resolve a DNS entry such as MyDevice to an ...
0
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1answer
154 views

hostapd failing to respond to DHCP discover nl80211: Frame command failed:

I'm trying to set up a AP by using hostapd and I was unable to even after following the tutorial notes step by step: After running hostapd with dnsmasq The AP gets advertised on the air, but ...
0
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1answer
98 views

I need to run the command "sudo service dnsmasq start" on every startup

I need to run the command "sudo service dnsmasq start" on every startup as I'm using my raspberry as a network bridge (from wifi to ethernet) I know the command works but it's hard to start ...
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1answer
115 views

Cannot Ping/ ssh over wifi

I have read several forums and have tried many solutions. I have a new raspberry pi 3 B+. Up to this point I have connected an ethernet cable to remote into my RPi. Now I am trying to use wifi and it ...
0
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0answers
66 views

Accessing a pi 4 router's localhost

OK, I have a Raspberry Pi 4 running a router so I can have a SSH for any files on the go. So (router)--------eth0--------(Pi 4 Access Point/ssh) --------wlan0------- (my device) I have tools that use ...
1
vote
1answer
25 views

Updating custom program over 4G

I have been working on a project that uses a Raspberry Pi 3b+ to send collected data to my server. This Raspberry Pi is setup with a 4G module and is able to send and receive data to and from my ...
0
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1answer
58 views

Access RPi's Web Server Connected to Smartphone Hotspot [closed]

I built a web server with Flask and I am able to access my website on my LAN. Instead of connecting my Pi to my router, my plan is to connect the Pi to my smartphone's hotspot, for portability. I don'...
1
vote
3answers
165 views

Where to put “/sbin/ethtool -s eth0 speed 100 duplex full”

I'm on a raspberry pi 4b /home/pi# uname -r 5.4.79-v7l+ and trying to set /sbin/ethtool -s eth0 speed 100 duplex full The simple reason for that is because it does not work with autoneg / full speed....
1
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4answers
93 views

Pi sometimes broadcasts its hostname as '$_HOSTNAME'

I have a strange problem with ma Raspberry Pi, and I'd like to fix it, but I have no idea how. Normally when running, it will advertise its configured hostname to my router, so that I can access it ...
0
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1answer
512 views

PiVPN Routing Problem

I've recently installed PiVPN on a newly created Pi system and I am able to connect to it ok from a remote client that I created. The problem is that although I'm able to access the node where my VPN ...
2
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1answer
2k views

RPI4B Ubnutu Server 20.10 wifi setup

I recently installed Ubuntu Server 20.10 on my RPI 4B and cannot get wifi to work. I followed the instructions here, here, and here. When I attempt to setup wifi via wpa_supplicant (the last link) ...
1
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2answers
93 views

Raspberry Pi Networking

I currently have a raspberry pi4B (p0) with four raspberry pi Zeros (p1-4) all conected to the pi0 via USB (using usb gadget mode for a network connection). To be specific i'm using a pi Cluster Hat. ...
0
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1answer
282 views

tethered android phone to raspberry pi bridge to edgerouter x

I do not have internet except by using my mobile phone. Last week I bought my first raspberry pi its a 4b and is really amazing. I'm an experienced programmer but a networking failure. I have linux &...
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3answers
321 views

eth0 not added to bridge br0

I followed the official guide and it works perfectly for an rPi3 running on buster but fails on an rPi4 running on buster-lite and I can't see why/I can't see the difference. The problem: In contrast ...
1
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2answers
91 views

Prevent eth1 from being created [duplicate]

On my raspberry pi I am plugging a USB to ethernet adapter which is automatically assigned to eth1 but I would prefer having it be eth2. I tried to add a dummy interface by doing ip link add eth1 type ...
0
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0answers
45 views

Howto self-restart a service when network link goes down?

I have a VPN using L2P/IPsec. A service I created establishes the ppp0 interface and tunnel. The service basically executes a shell script that does all the work. I can start/stop the service and all ...
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2answers
871 views

How can I set a static IP address for raspberry pi running rasbian (Debian) and connect through it to the internet?

I'm trying to set a static IP address for a rpi 4, and use a tablet as screen which will connect it through remote Desktop application. I tried to modify the /etc/dhcpcd.conf and add those lines: ...

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