Questions tagged [systemd-networkd]

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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 ...
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1answer
16 views

Make temporary changes to systemd-networkd which go away after reboot, for testing?

systemd-networkd is the way to configure a network using systemd. The files live in /etc/systemd/network. If I want to change a setting, I can edit a file there, and then do a systemctl restart ...
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18 views

How to set custom settings in resolv.conf when using system-resolvd

I would like to use option values in /etc/resolv.conf. From reviewing the relevant man page (https://linux.die.net/man/5/resolv.conf) I noticed that I can configure various options. For example one ...
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0answers
30 views

Systemd networkd: configure a static secondary DNS

I would like to configure systemd networkd to always use a given secondary DNS, even if the network is configured over DHCP and the primary DNS server are provided by DHCP. According to the ...
2
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0answers
84 views

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 ...
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0answers
43 views

Systemd-networkd multiple static addresses

I have a computer that will be moving from one static IP address to another (involving a physical move) when I will not be present. Currently, my 20-wired.network configuration looks like this: [...
0
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1answer
60 views

Change multiple interface IP’s with networkd on coreos

I have a working CoreOS machine where I need to change two virtual network interface IP’s in the /etc/systemd/network file like this: [Match] Name=interface name [Network] Address=ip address. This ...
1
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1answer
128 views

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 ...
1
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1answer
107 views

Renaming networking interface through systemd-networkd not working in upgraded Ubuntu 18.04

In an Ubuntu 18.04 server, I was not able to rename network interfaces through proven config-management-applied systemd-networkd configuration working on all other servers. The only difference I see ...
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0answers
50 views

systemd networkd is restarted after systemctl stop

I have some python code that needs to change the configuration of a linux bond using systemd-networkd. I tried editing the .network and .netdev config files and restarting networkd but it doesn't ...
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0answers
35 views

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 ...
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0answers
90 views

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 ...
3
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2answers
450 views

Is there a way to automatically add network interfaces to systemd-networkd and/or netplan?

I'm currently building pre-configured disk images for Ubuntu 18.04 servers. While the hardware is mostly the same, there are a few different network interfaces between the devices (and some are ...
2
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0answers
231 views

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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0answers
525 views

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 ...
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1answer
615 views

Too many symlinks error setting up a network bridge with systemd on debian9

After a reboot the host is unreachable and I see this error in the logs vmbr0: Could not join netdev: Too many levels of symbolic links I really don't know what's causing it and I don't find anything ...