Questions tagged [systemd-networkd]

systemd-networkd is a system daemon that manages network configurations.

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netpan not automatically apply after reboot

My systemd-networkd don't autoload all ips from my netplan config on boot. I read a lot of asks at this and another forums, but I didn't find a solution. neplan apply add ips, but It should work ...
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systemd.resolved wont start - stale file handle

I was getting issues with resolving any dns ive checked network settings without problem. Then ive realize that systemd-resolved wasnt started. Can you help me with the issue? What ive tried checked ...
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Controlling power management with systemd-networkd

I was having Wi-Fi issues on Ubuntu 22.04 terminal edition. I tried to disable power saver by setting the networkmanager config file. It never changed the state of wifi module and I finally figured ...
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Upgrade Ubuntu 22.04 LTS (Jammy) to 23.10 (Mantic) breaks network config: How to upgrade network config?

I have an Ubuntu 22.04 LTS (Jammy) release running on a virtual, remote server based on OpenVZ. I can only access the server via SSH. When I try to upgrade to 23.10 (Mantic), I am locked out of the ...
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network manager not show bond0 lacp connection

System is running Ubuntu desktop 23.04 I am unable to update Application Software because the application does not see a network connection. I have created a LACP 802.3ad dual nic connection using the ...
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Unable to bind MAC Address with interfaces in ubuntu

I am running Ubuntu 20.04 on an AWS environment. While trying to bind MAC Address to interfaces in netplan YAML file. The changes are not working as expected. I followed the following configuration, ...
raw-bean's user avatar
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Netplan apply causes interfaces to go down temporarily

I have an IP on interface ens160 ( 10.209.70.147 ) which is up and responding to traffic. Then I add another interface eth0 in "connected state" from vmware console and add another IP ( 10....
abhishek shrivastava's user avatar
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Is there a way to add custom config to rendered network config, in netplan

I'd like to use an option in networkd which is not available in Netplan. In good time this can be implemented, probably. Until that time, is there a way to achieve custom network code such that my ...
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'A start job is running for wait for network to be configured'. optional:true skips this but breaks some docker containers

I have been running an Ubuntu Server for a while now. Recently, my router stopped "sending internet" to the devices connect via LAN, which includes my Ubuntu Server. The server is running on ...
MasterToru's user avatar
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Consecutive networkd-dispatcher error messages for virtual Docker interfaces

My question is much like the issue described here, except I'm using an LXC of Ubuntu 23.04. In that answer, it was marked as solved because I guess the networkd-dispatcher service was patched. However,...
David Glass's user avatar
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Specifying systemd-networkd options via netplan

I have a need to use a systemd-networkd configuration option on my system: [DHCPV6] RapidCommit=no Is it possible to add this option via netplan somehow? Or do I have to disable netplan completely to ...
triatic's user avatar
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What directory does netplan write networkd config to?

Where does netplan output its configuration to? /etc/systemd/network is empty, even though netplan uses networkd.
Merlijn Sebrechts's user avatar
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systemd-networkd does not send IPv6 route advertisement (send_ra) when using VLANS

I am using systemd-networkd for network configuration and the problem I am seeing is that ICMPv6 RA (Route advertisements) are not being sent on the physical (untagged) LAN interface (eno1), while it ...
sebdehne's user avatar
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Wrong ARP entry on Lab setup with 2x10G connected through a switch

I have two boxes connected through a 10G switch: 1 "sender" box with 1x port static address 10.0.1.1 1 "receiver" box with 2x ports static addresses 10.0.1.2 and 10.0.1.3 My goal ...
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Ubuntu 22.04 configure local IP via netplan (systemd-networkd)

I have a server installed with Ubuntu 22.04, with two physical network interfaces - eno1 and eno2, and I configure these network interfaces with netplan (which uses systemd-networkd). eno1 is with ...
Utz's user avatar
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netplan is not concatenating addresses on separate YAML files

I am trying to set up an additional address in an ethernet interface using netplan. The man page for netplan-generate mentions that the sequences for the same key configuration should be concatenated ,...
PySerial Killer's user avatar
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MTU specified in netplan is not applied at boot

My netplan file looks like so: network: version: 2 renderer: networkd ethernets: eth0: addresses: - 169.254.1.1/24 mtu: 9000 After boot the eth0 interface takes the ...
rgov's user avatar
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How to configure NetworkManager on a remote host without GUI?

I have a remote host running ubuntu desktop 22.04 and the default network renderer is NetworkManager. how can I set permenant configuration to the interfaces managed by NetowrkManager ? for example ...
Forrest's user avatar
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Systemd-networkd and IPv6Token in 20.04

I've been recently playing with IPv6 but I have a vexing problem with my little Ubuntu box. Systemd-networkd (from systemd 245.4) is supposed to understand a directive like this: IPv6Token=...
anssi's user avatar
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Wireless connection is lost rapidly

I'm using Ubuntu 22.04 with systemd-networkd and netplan for managing my network. My connection to the wifi gets lost frequently and reconnects after a while. None of the solutions I found on the ...
qazwsx123's user avatar
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Best way to have a network bridge with both my LAN and WAN (not AP) interfaces attached?

I have this configuration to put my LAN and WAN (not AP) network interfaces on the same bridge but I'm wondering if there is a better way to do it? Has anyone done this in a better way? Thanks. I've ...
Knickers Brown's user avatar
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1 answer
463 views

How to get driver udev property for netplan match?

I want to use match in my netplan config, but if I attach a vlan to an interface I can no longer match by the mac address of that interface alone. See netplan - match physical ifs only Proposed ...
Simon's user avatar
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networkd-dispatcher[807]: WARNING:Unknown index 470 seen, reloading interface list

on Ubuntu 18.04.6 LTS with 4.15.0-177-generic systemd-networkd[1535]: tun1: Link UP systemd-networkd[1535]: tun1: Gained carrier systemd-timesyncd[490]: Network configuration changed, trying to ...
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Ubuntu 22.04 netns with veth connected to bridge unable to ping gateway

Hey guys this is probably just something stupid I'm missing, but I'm having trouble setting up a net namespace to use for my VPN. The weird part is that this script/setup was working, and has suddenly ...
samikool's user avatar
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Ethtool Wake-on Lan is disabled after reboot

I followed this guide to enable wake on lan on my Ubuntu Server 22.04 installation. I even put iface eno1 inet static address 192.168.1.5 up ethtool -s eno1 wol g to /etc/network. No matter ...
Lukas's user avatar
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Applying netplan with both NetworkManager and networkd

I have the following question: how does sudo netplan apply work when it has several configuration files with different renderers: e.g. I have 2 config files in /etc/netplan: 01-network-manager.yaml # ...
sejego's user avatar
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3 answers
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A start job is running for Wait For Network to be Configured because IPv6 blocked

I have some freshly installed Ubuntu 22.04 servers. One is already running 22.04.1, just installed today. All of them are having the issue that "A start job is running for Wait For Network to be ...
abulhol's user avatar
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1 answer
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Ubuntu 22.04 hostname not detected from DNS

I have been having an issue with Ubuntu 22.04 not detecting the hostname from the DNS server. I have tried using both the networkd and NetworkManager backends and the server's hostname still appears ...
Holly Sherlock's user avatar
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3 answers
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Where does systemd-networkd keep DHCP leases when acting as DHCPServer?

I've got an ubuntu 22.04 system as my home router/firewall, and I use systemd-networkd as the DHCP server for the LANs. I have pihole running in a container providing DNS, with the upstream DNS is a ...
anro's user avatar
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Netplan does not apply on startup on Ubuntu 20.04 server distro

After every boot, netplan apply needs to execute to connect to internet. Tried below solutions https://bugs.launchpad.net/ubuntu/+source/netplan.io/+bug/1879592/comments/3 https://askubuntu.com/a/...
JRA's user avatar
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2 votes
1 answer
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Ubuntu 22.04 LTS / Qualcomm Snapdragon X55 5G / NetworkManager config

I am having problems getting the Network Manager in Ubuntu 22.04 LTS to correctly turn on the onboard Qualcomm Snapdragon X55 5G modem. If I try it seems NM tries to configure the connection, but ...
Nikolaj Hansen's user avatar
2 votes
1 answer
3k views

Can I disable networkd-dispatcher log messages for Docker interfaces?

I'm using Docker 20.10.14 on Ubuntu 22.04 Server where I'm running a number of containers, and I'm using Watchtower to automatically update the containers. Since I updated to Ubuntu 22.04, I've been ...
Artur Meinild's user avatar
2 votes
3 answers
4k views

How to automatically enable Wake-on-LAN for a network interface on Ubuntu 20.04?

Ubuntu's networking stack is constantly evolving and most previous information on enabling Wake-on-LAN for an interface is outdated (like the Ubuntu wiki). Now that Ubuntu uses Netplan instead of /etc/...
rgov's user avatar
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7 votes
3 answers
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Netplan DNS nameserver setting not being applied

I'm renting a VPS from Linode with Ubuntu 20.04 LTS (Focal Fossa) installed on it. But the default DNS server from Linode doesn't resolve a domain name which I really need it to resolve. Therefore, I ...
Joshua Schroijen's user avatar
1 vote
1 answer
490 views

focal - prevent networkd from performing a dhcprelease

We have an issue with focal/networkd and our dhcp-server which gives some (not all) hosts a new ipaddress when they reboot. The network guys says it is due to the dhclient sends a DHCPRELEASE so I ...
Göran Törnqvist's user avatar
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1 answer
3k views

How can I set the hardware mac address permanently?

I have a headless ARM server running 20.04.4, which for reasons I cannot understand has all it's NICs with hardware macs of all zeros, and sets the current mac randomly on every reboot. ╰─ macchanger ...
ThatDataGuy's user avatar
1 vote
0 answers
1k views

Netplan with Two Gateway Subnets on Same Port

Trying to configure an Ubuntu 18.04 machine with two IP addresses on different subnets on one ethernet port, each with a gateway so port forwarding works from different routers. This was based on the ...
Oscar M's user avatar
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1 answer
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systemd networking basics: cannot switch from DHCP to static IP address

I'm just starting with systemd networking, and I can't set up a new system with a static IP address. This is a default Ubuntu 20.04 server, and network-manager and ifupdown are not installed (so no /...
QF0's user avatar
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2 votes
2 answers
6k views

Can I use both systemd-networkd and NetworkManager, or is there an GUI/ncurses alternative to Network Manager?

I am getting used to netplan.io on my laptop after routinely uninstalling it for several years in favor of ifupdown. This is probably far-fetched, but since it's running a desktop front-end (plasma), ...
Avery Freeman's user avatar
0 votes
1 answer
544 views

How to setup netplan/networkd to detect an IP conflict being putting networking online?

We've hit an issue where our Ubuntu 20.04 systems seem to bring networking up without verifying there's no IP conflict that will occur. Our Red Hat based systems check for any collision and if ...
Ron Rossman Jr's user avatar
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2 answers
2k views

Networking: 4 Separate Subnets Default Route Consistency Warning?

Just installed Ubuntu and one of my network card ports does not work and has no ping to it's IP - eno2. Netplan as configured during install: # This is the network config written by 'subiquity' ...
lion's user avatar
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1 vote
1 answer
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Cannot accept IPv6 router advertisements

No matter what I try, my Ubuntu Server machine (bare metal) won't accept router advertisements. I am able to pull an IPv6 address from DHCP, ping that address from another machine, but trying to ping ...
Cruetz's user avatar
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2 answers
3k views

netplan networkd no ipv4 from dhcp

I've been trying to have ubuntu server running on my MacBook Pro (15-inch, Late 2011) for the whole day, both 20.04 and 21.10, fighting with netplan and I cannot seem to be able to have ens9 (...
Lucio's user avatar
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1 vote
1 answer
2k views

How to upgrade SystemD to 246+ on Ubuntu 20.04?

I'm using ROS on Ubuntu 20.04 with a CAN-FD adapter card. In systemd 246+ (20.04 uses 245), systemd-networkd adds support for CAN-FD specific settings to allow the system to boot automatically. Is ...
user526035's user avatar
1 vote
1 answer
727 views

systemd-resolve not apply settings based on network interface

I want to config systemd-resolve for working with different dns servers based on network interface. But when I create config un the /etc/systemd/network/tun.network nothing is happen. My tun.network ...
theSemenov's user avatar
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0 answers
1k views

Can't change default connection in Network Manager

I know that ubuntu-server uses networkd by default but some features of gnome doesn't play well with it so I'm trying to replace with Network Manager. The problem is that Network Manager's default ...
123's user avatar
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2 votes
1 answer
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Ordering of Interface Configuration with systemd-networkd

I'm using Ubuntu 20.04, with systemd-networkd and Netplan. I have two physical interfaces (ens3 and ens4) which are configured by DHCP (with reservations, so I always get the same addresses). ...
Ralph Bolton's user avatar
0 votes
1 answer
7k views

Netplan error when trying a configuration

I am running Ubuntu server 20.04.3 LTS on a remote Raspberry Pi 4. It is connected through WiFi to a remote router (IP 192.168.1.1), and I had configured networking with netplan. However after some ...
Panos's user avatar
  • 299
5 votes
2 answers
4k views

removing netplan to use systemd-networkd directly

I want to configure networking using bare systemd-networkd. Instructions are here: https://wiki.archlinux.org/title/systemd-networkd#Wired_adapter_using_a_static_IP I haven't used NetworkManager for ...
Stephen Boston's user avatar
0 votes
1 answer
638 views

netplan conflicts when changing AP when rederer: NetworkManager

I'm having some problems setting up the "access-points": in netplan , when the renderer: NetworkManager . My yaml is cat /etc/netplan/00-installer-config.yaml network: version: 2 ...
freddie_ventura's user avatar