Questions tagged [systemd-networkd]
The systemd-networkd tag has no usage guidance.
33
questions with no upvoted or accepted answers
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Setting up multiple IPv6 routes over a single interface on Linux
tldr; A LAN device is able to get 2 separate internet connection (1 NATted from ISP Router, 1 from manual PPP connection). Able to separate ISP-WAN and PPP-WAN IPv4 into 2 routes using ip rules but ...
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4
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2
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2k
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Why is networkd changing the MAC addresses of my bonded interfaces?
When I add the config files below into /etc/systemd/network and restart systemd-networkd, I find that the MAC addresses of bond0, eth0 and eth2 have all been changed to a single, locally administered ...
- 215
4
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1
answer
2k
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Systemd's Networkd: Unable to add ipv6 default route
I am having a hell of a time getting IPv6 address connectivity set up on my new VPS. I thought I knew what I was doing but apparently networkd disagrees, I keep getting issues when trying to add a ...
2
votes
1
answer
2k
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What controls the NIC naming convention after fresh Ubuntu 20.04 install?
This is a fresh install Ubuntu server 20.04.04 system. I'm using networkd and netplan to configure networking. I did not do any custom install steps, just loaded the .iso and installed Ubuntu server ...
- 531
2
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0
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906
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OpenSSH server on Ubuntu Impish fails to start after reboot, only manual restart works
Preface and issue
I have an Ubuntu 21.10 (Impish) server, which network is managed by netplan and systemd-networkd.
My /etc/netplan/01-netcfg.yaml looks like this:
network:
version: 2
renderer: ...
- 2,056
2
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0
answers
434
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Route untagged vlan to a tagged vlan with nftables
I have played around a lot with nftables, but I am stuck on this problem for the entire day. I have a wifi ssid that gets tagged vlan20. This part works, and I can see that dnsmasq is assigning ip ...
- 21
2
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1
answer
2k
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systemd-nspawn container DNS not working
I'm trying to launch a container with systemd-nspawn (from the systemd-container package, version 241), but the container is not able to resolve host names. The host environment is PureOS 9.0, which ...
- 205
2
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0
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582
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systemd-networkd: Set DNS via CLI for managed link
I want to set the DNS for an interface managed by systemd-networkd via cli.
The file system is mounted read-only, so is there way to achieve this without manipulating any files?
I tried e.g.:
...
- 21
1
vote
0
answers
327
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Contents of /etc/systemd/network/10-eth0.network gets overwritten on reboot
I am using a VMware photon OS VM.
I want to configure a secondary IP address for my eth0 interface.
And following the lead in : How to configure interface aliases using Systemd-Networkd?
I added an ...
- 111
1
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0
answers
298
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untagged traffic must become tagged traffic after passing through the bridge
I'm trying to achieve something simple.
I have a machine which has a single physical port enp89s0. this is connected to the native VLAN (VLAN=1).
I need to create VMs and place them on a separate VLAN=...
- 227
1
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0
answers
168
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systemd-nspawn can't auto login
I'm trying to config auto login for my nspawn container and I created /etc/systemd/system/[email protected]/autologin.conf
and inside of that I wrote this config:
[Service]
ExecStart=
...
- 11
1
vote
0
answers
2k
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Why is my systemd-networkd not aquiring an IP address via DHCP?
On my notebook running Gentoo, I set up the following things:
Kernel with all necessary settings and modules
WPA_Supplicant
Systemd
Systemd-Networkd
Almost everything works as expected, the ...
- 111
1
vote
1
answer
1k
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Bridge on a bonded interface with systemd-networkd
So I recently changed my server from a Debian based distribution that used the old
ifupdown style configs over to systemd-networkd.
What I want is, my two primary interfaces, bonded, and then a bridge ...
- 11
1
vote
0
answers
247
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Systemd-networkd fails IPv6 autoconfig where ifupdown succeeds
Title is a bit vague, since I do not know what is going on. I want to switch to systemd-networkd, and I want it to autoconfigure both IPv4 and IPv6. I come from ifupdown, with the following config:
# ...
- 458
1
vote
1
answer
2k
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Netplan - Configure two interfaces on same network
I have a set of Ubuntu 18.04.5 LTS servers with two interfaces each.
eno1 - 1g management interface
eno5 - 10g data interface
Both interfaces are in the same L2 subnet (10.98.16.0/22). My issue is ...
- 11
1
vote
1
answer
3k
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Configuring DHCP lease when using systemd-networkd on Ubuntu 18.04 Server
we have an Ubuntu 18.04 dedicated server hosted by IONOS (1&1) and want to use one IPv4 and 2 IPv6 addresses. Recently we decided to switch from networking.service to systemd-networkd.service to ...
- 11
1
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0
answers
363
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KVM: centos get no bridged ip on fedora
I've installed on my fedora machine centos as vm over kvm. My vm does not get an ip-address from my dhcp server over the bridge interface. When I want to active the interface via nmtui on my centos ...
- 347
1
vote
0
answers
168
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Systemd host-only bridge
I'm trying to create a bridge device for host to virtual machine only communication with systemd networking.
Currently I have a netdev and a network file. The bridge is created after a restart of ...
- 475
1
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0
answers
423
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netplan apply breaks bonding
Whenever I change my Network configuration on my Ubuntu 18.04 Server and apply it using netplan apply command, the bonding interface is no longer usable. While the IPs are correct, there is simply no ...
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0
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2k
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Issue with bond + vlan + bridge on top of systemd-network
We are using two switches (let's call them A and B), and each host (running debian 9) has 2 nics (eno1 and eno2), connected to A and B. Those interfaces are bonded together (bond0) in active-backup ...
- 381
0
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0
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49
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Issue when switching from networkd to NetworkManager
On an Ubuntu 22.04 instance on Google Cloud, I can switch from networkd to NetworkManager like this:
$ sudo apt install network-manager
$ sudo nano /etc/netplan/50-cloud-init.yaml
# add:
network:
...
- 3
0
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0
answers
240
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Difference in routing between systemd-networkd and dhcpcd?
When using systemd-networkd with the configuration below, I cannot connect over SSH (connection time out) to a certain server on our network. Bizarrely, there are no problems when I use dhcpcd instead....
- 205
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0
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374
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How to overwrite an interface config with match option in netplan?
I am using an Ubuntu 18 on a virtualbox machine and I am trying to overwrite a netplan config related to an interface. There are two config files located in /etc/netplan/.
50-cloud-init.yaml:
network:
...
0
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0
answers
95
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systemd-nspawn and firewall
I have a systemd-nspawn container configured with systemd-networkd, DHCPServer=yes and IPMasquerade=yes
For replication I've opened a mysql port in /etc/systemd/nspawn/machine.nspanw
[Network]
Port=...
0
votes
0
answers
778
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IPv6 forwarding enabled but not working. How to get it to work?
My system is running Debian GNU/Linux 11 (bullseye)
My network is configured with two interfaces, one to my ISP and one to my lan.
I am using systemd-networkd to manage the interfaces. The problem is ...
0
votes
0
answers
2k
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Force DHCP client to use only IPv4
I have Linux client (running systemd-networkd, version 244), and I want to configure it's network only with IPv4. However, the DHCP server offers both v4 and v6. Is it possible to limit the client to ...
0
votes
1
answer
516
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lost network interface to systemd-networkd. What is going on?
I have a systemd host with 4 ethernet ports.
one port is reserved for isolated containers. It is set as:
# /etc/systemd/network/20-eth3-reserved.network
[Match]
Name=eth3
[Link]
Unmanaged=yes
I also ...
- 50
0
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1
answer
536
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systemd-networkd: how to elegantly switch between creating a wireless access point and connecting to a wifi network
I'm working on a headless IoT device that creates its own access point so that the user can access its web UI and do necessary configuration. The system uses networkd but I'm not very attached to it ...
- 101
0
votes
1
answer
772
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WireGuard via systemd-networkd but with /etc/wireguard/wg0.conf
Is there any solution to use /etc/wireguard/wg0.conf for both, wg-quick and systemd-networkd.
Following this example I have to duplicate configuration, but I want to store config in one place.
How to ...
- 161
0
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0
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1k
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Add DNS options to systemd-resolved /etc/resolv.conf
I am using systemd-networkd and systemd-resolved. I have /etc/resolv.conf being a symlink to /run/systemd/resolve/stub-resolv.conf as recommended.
I guess that /run/systemd/resolve/stub-resolv.conf ...
0
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1
answer
1k
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Add IP addresses to systemd-network besides netplan
On an Ubuntu 20.04 server, netplan is used to configure the network. It can configure ordinary static IP addresses but I need additional IPv6 addresses with preferred_lft=0. Netplan can't do that (...
- 123
0
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1
answer
2k
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systemd: Why "ens3: Could not set route: Network is unreachable" when default route is valid?
Recently my VPS hosted at OVH abrutly lost connectivity. Upon further inspection, systemd-networkd was failing to set default route: ens3: Could not set route: Network is unreachable. It isn't clear ...
- 21
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0
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476
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What does interface state "configuring" mean?
My systemd-networkd-wait-online.service fails. When I take a look:
% networkctl
IDX LINK TYPE OPERATIONAL SETUP
1 lo loopback carrier ...
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