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How can I turn off 802.11r fast transition in Linux NetworkManager client?

I am running Debian stable (12.5), and have been experiencing sticky client issues with NetworkManager 1.42.4, and kernel 6.1.0-21-amd64. You can find a good description of the sticky client issue at ...
zbinkz's user avatar
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1 vote
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75 views

How to automatically reconnect to WiFi when 'limited' connectivity occurs?

I'm experiencing an issue with my school's WiFi where it stops working every 5 minutes or so. When this happens, nmcli monitor shows "Connectivity is now 'limited'". I have this short script ...
Alexandre Ramos's user avatar
0 votes
2 answers
147 views

Default route appears on ethernet interface with DHCP disabled

I have an Ubuntu system with an ethernet interface (eth0) connected to a router that acts as a DHCP server providing a default route. However I have set eth0 to use a static address and ignore routing ...
Clyde's user avatar
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0 answers
150 views

How can you set defaults for NetworkManager connections?

Was looking to set default values for a few network connection configs like connection.permissions, etc, so that when a new connection is generated (at /etc/NetworkManager/system-connections), it'll ...
S Kos's user avatar
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0 votes
1 answer
427 views

How to reload system-connections files?

After I edit a file in /etc/NetworkManager/system-connections/ I tried: nmcli conn reload systemctl daemon-reload systemctl reload NetworkManager systemctl restart NetworkManager but no matter what, ...
gcb's user avatar
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1 answer
225 views

dnsmasq reads addn-hosts config but ignores it, falls back to system's /etc/hosts

I'm running dnsmasq installed as a NetworkManager plugin on Fedora 39 machine My configs are: /etc/dnsmasql.conf (default, nothing changed): user=dnsmasq group=dnsmasq interface=lo bind-interfaces ...
vrs's user avatar
  • 101
0 votes
2 answers
956 views

NetworkManager slows down shutdown and more in Debian 12?

First problem Since I last updated my computer earlier this week, my computer started needing about 11 minutes to turn off. At first glance, it is NetworkManager.service and wpa_supplicant.service ...
Loïc's user avatar
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0 votes
1 answer
811 views

How to resolve issues with IPv6 via PPPoE

I am facing issues that I cannot wrap my head around related to IPv6 and PPPoE connections. I have a server connected to a Netgear router with WAN connected to ISP and server connected to LAN port. I ...
Anirban's user avatar
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0 answers
112 views

NetworkManager requests authentication despite having credentials stored

The Problem I have a wifi connection that works for the most part. Sometimes it disconnects and nm-applet shows a popup asking for the wifi-password, but the password is already filled in and I just ...
Manne's user avatar
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0 votes
1 answer
107 views

Is it possible to add/change DNS server without having to drop existing connections?

I just changed (or added another) DNS server to my network connection configuration and would like to use it straight away, but I have a few existing (mostly SSH) connections open that I don't want to ...
FriendFX's user avatar
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1 answer
360 views

Unmanage all USB ethernet adapters, but keep names unique

One can disable a particular interface by listing it in one of the configs: [keyfile] unmanaged-devices=interface-name:enx6c4bca1ac914 But I want ALL USB ethernet adapters to be unmanaged and do not ...
Student4K's user avatar
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0 answers
66 views

nm-applet menu pops up too high, in LXDE

I've got a fresh install of Debian 12 with LXDE on my laptop, and I installed NetworkManager and nm-applet (via the network-manager-gnome package). My problem is, when I click (left or right) on the ...
ac0xr's user avatar
  • 15
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0 answers
155 views

List wifi networks when wifi is in AP mode and also when it is in station mode

For my embedded system, I need quite versatile network management. I need to be able to use wifi in AP and station mode and switch between them. I'm using NetworkManager for this. But i have found, ...
Thugmek's user avatar
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-2 votes
1 answer
329 views

Kali linux shutting down network after 5 minutes

So recently i installed Kali linux on my computer ( along with Windows 10 dual boot ) In the installation process i couldn't get past the network configuration for wifi no matter what, i had to use ...
HeiMei's user avatar
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0 answers
353 views

Failing to configure local box as wifi hotspot with nmcli

I am trying to configure my Fedora 38 box to work as an access point (WiFi hotspot) called, say, MyAP. So I use nmcli like this: nmcli -p con add type wifi con-name MyAP autoconnect yes ssid MyAp \ ...
Luis A. Florit's user avatar
1 vote
0 answers
118 views

WiFi sensor temperature increases when disabling wifi

For some strange reason, when I disable wifi with the nmcli command nmcli radio wifi off I see an immediate rise in the wifi sensor temperature, from around 30C to more than 60C. Because of this, I ...
Luis A. Florit's user avatar
0 votes
1 answer
772 views

systemd-resolved does not access zeroconf DNS server

I am trying to connect to a wifi network and use the dns server provided in the local network. Wifi works fine, but I cannot get DNS name resolution. I am using NetworkManager and systemd-resolved. ...
Dronakuul's user avatar
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0 answers
572 views

NetworkManager needs frequent restarts, never able to get past: 'getting IP configuration'

On Fedora-38, the route table (ip r) is constantly turning empty. I can fix it for a few minutes by restarting the NetworkManager (systemctl restart NetworkManager). Need to fix that permanently. ...
DarkSky's user avatar
  • 11
0 votes
1 answer
329 views

NAT masquerade refuses to work on Link-Local network

I am developing a device, in terms of usage and network connectivity it is similar to a printer with an Ethernet port. This device should also work in p2p scenarios, i.e. when the Ethernet port of the ...
Kenji's user avatar
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1 answer
113 views

In Network Manager how is my current Bitrate greater than the access point MaxBitrate

I'm working with the D-Bus interface to Network Manager on a custom Linux and I'm trying to find a decent estimate for current connection speed. If I query the MaxBitrate property of the current ...
davolfman's user avatar
  • 296
1 vote
1 answer
479 views

Network Manager causing duplicate routes

I am using nmtui to create a network with multiple IP addresses on a single interface. The problem is that it creates a separate duplicate route for each. This is on AlmaLinux 8.7 ip route shows ...
user2293165's user avatar
0 votes
1 answer
1k views

Alpine Linux (iSH) : ifquery: could not parse /etc/network/interfaces

I have iSH, which is actually a prooted(?) Alpine Linux on i(Pad)OS which works rather good with the apk package manager (not to be confused with Android APK), and network / internet connectivity is ...
user513667's user avatar
1 vote
2 answers
1k views

NetworkManager Automatic Ethernet Connection

I've recently picked up Rocky Linux 9.1 and am trying to get the basic networking to work correctly using netplan and networkmanager. There must be something simple missing here... I have a very ...
Joe Bauman's user avatar
1 vote
1 answer
171 views

Imported Oracle Linux OVA into VMware Workstation & vSphere and the NIC will not come up

VM was built with VirtualBox via Vagrant: https://yum.oracle.com/boxes/ I need a production VM, so I exported the VM from VBox -> to VMware Workstation & vSphere (both have same issue). There ...
SamAndrew81's user avatar
4 votes
0 answers
2k views

How to get my Linux Wi-Fi to reliably roam from AP to AP

I'm trying to get my Linux to reliably roam from AP to AP. Right now I'm using iwlwifi - iwd - NetworkManager combo to manage everything and apart from roaming everything works reasonably well and I'm ...
vWv's user avatar
  • 41
0 votes
1 answer
456 views

Always append a per link routing domain with NetworkManager to be used by systemd-resolved

I'm using a global DNS server with the routing domain ~. to make sure that DNS queries are not being leaked: # cat /etc/systemd/resolved.conf.d/dns.conf [Resolve] DNS=1.2.3.4#example.org DNSOverTLS=...
oktoberpaard's user avatar
1 vote
0 answers
850 views

Using QMI interface for SIM7600-H 4G module in Debian Bullseye

I am quite new to this, so be patient with me. I want to establish a connection via LTE over a SIM7600-H 4G module. The module is built in an IPC, so I have no choice but using this module. On the IPC ...
dr_d00m's user avatar
  • 11
0 votes
1 answer
829 views

Fedora 36 Static IP disappear on network interface

I have the following schema on Fedora 36: installed on a virtual machine, 2 lan cards - one is to the physical network, the other is a virtual one created in vmware. e.g. ens192 - external network and ...
Tsvetomir Tsvetanov's user avatar
3 votes
0 answers
988 views

Linux network manager getting two ip addresses instead of one

I have a problem that when I connect to network using NetworkManager in Linux (doesn't happen when using wpa_supplicant but I don't like it) it gets two IPv4 addresses that show up as for example 192....
Julian's user avatar
  • 96
1 vote
1 answer
1k views

Connected to wifi but can't ping router (or anything else)

I have a little bit of a different setup, I'm on a laptop with 3 OSes installed, Windows 10, Gentoo and Fedora 36. In both Gentoo and Fedora I use NetworkManager to manages wifi etc. I installed ...
Periodic Sqare well's user avatar
0 votes
0 answers
79 views

Is it possible to connect to VPN server using VPN?

I work from home. I connect to office network through VPN. I also have a GIT server that, by certificate, allows to connect only from office public IP, that is via VPN for me. And they are both the ...
Niki Romagnoli's user avatar
0 votes
1 answer
304 views

Ubuntu networking: where these routes come from?

I have a WiFi connection (NG5 on wlp2s0) for main Internet surfing and a VPN (Ufficio on ppp0) to "talk" to office network. That's it. A custom GIT server of mine allows connection only from ...
Niki Romagnoli's user avatar
1 vote
0 answers
161 views

Network Manager, check if password is correct and connection is working

I am trying to make a script on a Debian that is checking the password of a said SSID and tries to connect to it for testing that the configuration is ok before disconnecting. I tried the nmcli device ...
Tibibs's user avatar
  • 11
0 votes
1 answer
1k views

systemd/NetworkManager - DNS server ordering

My debian installation is using systemd-resolved and NetworkManager. For my home connections, I've configured NetworkManager to set the DNS servers to use: $cat /etc/NetworkManager/system-connections/...
laur's user avatar
  • 227
0 votes
0 answers
108 views

Windows 10 Network Credentials not working

So, although connecting to our servers works from all other pc, including a VM that is running on my machine, for some reason my credentials won't work when i try to open a folder on our server. I ...
Temeos's user avatar
  • 1
3 votes
2 answers
5k views

NetworkManager defined HotSpot, can't connect from Android phone

The initial situation is quite simple: I create a hotspot in a Linux machine: nmcli dev wifi hotspot con-name "John" (see below for the complete script) I show the password (and QR code) ...
jcoppens's user avatar
  • 737
2 votes
0 answers
724 views

network-manager connection on eth0 is active even when there is no cable plugged to it

I have a device with wifi and wired network. there is one nmcli connection for each network and connection on eth0 has priority over wlan0. the problem is that even there is no cable plugged to eth0 ...
hossein ghasedi's user avatar
1 vote
1 answer
1k views

NetworkManager upgrade from 1.34 to 1.36 breaks WireGuard configuration "No VPN gateway address received"

This morning I have upgraded networkmanager and libnm from 1.34 to 1.36. Unfortunately my so far working WireGuard VPN configuration shows now: Feb 25 12:11:50 methadon NetworkManager[642]: <warn&...
Robin's user avatar
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1 vote
0 answers
239 views

Network manager adds route to vpn host across local network default host

I have a wonderful behavior of Network Manager in debian 10,11 xubuntu 20.04.3 when I trying to connect vpn resource by openvpn or l2tp over ipsec. If I connect openvpn directly across terminal ...
Станислав Борисов's user avatar
0 votes
2 answers
4k views

Why does NetworkManger pop up nmcheck.org even when i have correctly set up the configuration with uri set on Fedora 35?

I have been facing problem where a default browser window pops up saying nmcheck.gnome.org and then immediately closes. Also the gnome wifi icon at the top right has a question mark on it. I know that ...
AmaanK's user avatar
  • 103
1 vote
3 answers
5k views

Network-manager: store secrets for automatic openvpn connection

Because I don't have access to a gui, I have added my openvpn password to the network-manager connection using: $ sudo nmcli con mod CONNAME vpn.secrets "password=MYPASS" I can confirm the ...
Mr. Wrong's user avatar
  • 113
2 votes
1 answer
2k views

Prevent networkmanager to disable an interface if dhcp timeout when mixed dhcp and fixe ip configuration

I need to find a way for a computer to have both a fixed ip address AND have be a dhcp client on the same interface. So far it works great, I am using Debian 11 and NetworkManager. The problem, is ...
iXô's user avatar
  • 301
0 votes
0 answers
204 views

Linux device using network manager fails to connect to the network manager AP with a hidden SSID

I created an access point using the network manager with the hidden SSID and it works fine if I want to use it with my android phone, but then trying to connect to the access point using Linux device (...
Benas's user avatar
  • 1
0 votes
1 answer
3k views

Which is the correct key to modify to set a wireless password via nmcli

A number of answers describe how to modify properties of a wireless connection via nmcli (for example https://unix.stackexchange.com/q/316482/16821). However, I don't know how to determine which ...
tjb's user avatar
  • 189
0 votes
0 answers
3k views

How to create a 802.11ac access point with NetworkManager?

I'm creating a WiFi access point on the 5GHz band with the NetworkManager on Ubuntu 20.04. My WiFi chipset is an Intel AX200. I use the following command to create the acces point: sudo nmcli dev wifi ...
Pikkostack's user avatar
0 votes
1 answer
32 views

Host with identical ips and subnet mask different

Two host with following IP’s. How they will communicate.? With and without a router. Case a. 1.1.1.1/24 & 1.1.1.2/24 Case b. 1.1.1.1/24 & 1.1.1.2/32 In case a, they will communicate via switch ...
Rahul K V's user avatar
2 votes
2 answers
1k views

Bonding two wifi interfaces using NetworkManager

I've got two different adapters connecting to the same Network with different speeds. I aim to join their bandwidth since my ISP's bandwidth is far more than what they both receive. I use ...
Parsa Noori's user avatar
0 votes
0 answers
1k views

Wifi mesh in combination with NetworkManager on linux

I need help with wifi mesh on a linux machine. According to iw phy ph0 info the combination of AP and mesh point shall be possible on my device: valid interface combinations: *...
alex's user avatar
  • 1
3 votes
1 answer
4k views

NetworkManager - changing global DNS server

So, to start off, this question isn't about the per-connection DNS setting NetworkManager has - this has many answered questions already and is well documented. What I'm asking about is how to change ...
Zaroth's user avatar
  • 512
0 votes
1 answer
638 views

Can no longer connect to VPN

I have had a working VPN connection for the last several years that mysteriously stopped working yesterday. nmcli con up id <myconnection> Error: Connection activation failed: Unknown reason ...
Paul Brodersen's user avatar

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