Questions tagged [systemd-networkd]
For questions pertaining to systemd-networkd, a system deamon that manages network configurations. Use this tag for questions about systemd-networkd itself, using systemd-networkd, or questions about issues arising from network configurations managed by systemd-networkd.
227
questions
0
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0
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11
views
How to stop cloud-init setting "Domains=" in networkd config?
I am using cloud-init on Debian with networkd for renderer and activator tasks.
Is there a way to stop cloud-init adding Domains= to the generated systemd-networkd config file ? i.e.
cloud-init ...
- 451
0
votes
0
answers
27
views
Cannot setup 2 Wireguard interfaces using SystemD
I have a Linux machine running Linux Kernel 5.15 with SystemD. I want to setup 2 Wireguard interfaces using the standard [email protected] SystemD service files. I have 2 wgX.conf ( wg0.conf and ...
- 69
0
votes
1
answer
20
views
override FE0.network by conf no working
systemd version 241
cat /etc/systemd/network/FE0.network
[Match]
Name=FE0
[Network]
Address=192.168.2.180/24
Gateway=192.168.2.1
cat /etc/systemd/network/FE0.network.d/xx.conf
[Network]
Address=192....
- 3
0
votes
0
answers
20
views
Find where systemd unit dependency comes from
Actual question
I have a target (network-online.target) which is waiting for a service. The service is an instance of a template which has Before=network-online.target but I think I removed that from ...
- 200
0
votes
1
answer
158
views
Assign IP to interface in every state (DOWN, NO CARRIER)
I have a service that depends on the host's primary IP address, and that service fails to start if that address is not configured on the host.
Is there a way to have systemd-networkd bring a ...
0
votes
0
answers
89
views
cannot allocate memory service systemd-networkd
I encountered an issue with systemd-networkd where it failed to start the device monitor and could not create the manager due to a "Cannot allocate memory" error.
I have tried restarting ...
- 1
0
votes
0
answers
60
views
Ideal laptop power user network setup - Systemd-networkd bridge versus libvirt bridge
Under linux we have several ways to configure a network card.
Since I'm a simple advanced user with virtual machine needs, and for reasons of homogeneity, I try to simplify and use systemd as much as ...
0
votes
0
answers
110
views
Sharing Ethernet connection with Wifi and USB ethernet using systemd-networkd
Context: I am running raspbian 11 on a raspberry pi 4 and have connected a usb ethernet nic. My goal is to allow clients to connect to wifi (wlan0) or via the usb ethernet (eth1), then have the pi ...
- 101
0
votes
0
answers
125
views
Cloud-Init systemd-networkd bridge configuration incomplete/incorrect
When using Cloud-Init on ArchLinux, which uses systemd-networkd to configure network interfaces, for bridge interfaces, the configuration files generated are incomplete/incorrect. After a very long ...
- 1
0
votes
0
answers
74
views
Uplink-less Bridge with systemd-networkd
I am trying to configure several Linux bridges, all without physical uplinks, for use as isolated virtual networks with KVM/QEMU. I am running Archlinux, which uses systemd-networkd to configure ...
- 1
2
votes
1
answer
713
views
systemd.network DUID, IAID and DHCPv4 clientIdentifier
I've set my NixOS to use: systemd-networkd:
systemd.network.enable = true;
and I have my interfaces configured something like that:
networking {
interfaces.enp5s0f0np0.useDHCP = true;
...
0
votes
0
answers
41
views
Systemd bridge has self assigned IP on reboot
Running Ubuntu 22.04 with a TrendNet 2.5Gbe PCIe card
I'm binding my NIC enp3s0 to a bridge br0 to use with a KVM that I'd like to have access to my local network. Configuring the bridge with systemd-...
0
votes
0
answers
355
views
How to correctly configure systemd-networkd-wait-online.service to exit when an interface reaches a certain operational state?
I am trying to optimise my boot time for systemd, which currently stands at over 2 minutes. systemd-analyze shows the culprit for this to be systemd-networkd-wait-online.service, which - according to ...
- 1
1
vote
1
answer
105
views
systemd networkd and/or resolved blocking receiving (raw) packets on virtual network interface?
While working on some unit test code that basically sends raw Ethernet packets from one MACVLAN to another MACVLAN (virtual) network interface I noticed that most of the time the test code fails to ...
- 1,217
0
votes
0
answers
103
views
Mount smb/cifs shares only after openvpn client has been established
I'm trying to accomplish almost exactly what was asked here: mount smb share after wireguard with fstab or systemd
The only difference is that I'm using openvpn rather than wireguard. I'm attempting ...
- 161
0
votes
0
answers
96
views
Systemd-network: set up bridge with more than one interface name
I have created a somewhat complicated network configuration using systemd-network (Debian bullseye), and it is mostly working. But I have one last hurdle to get past.
Basically (keep in mind some of ...
- 121
0
votes
1
answer
145
views
How do I set option 119 in systemd-network [DHCPServer]?
I've tried, among other things:
SendOption=119:string:example.com
tcpdump says "malformed packet"
0000 64 4b f0 1a 05 9a 00 e0 67 26 5b 13 08 00 45 c0 dK......g&[...E.
0010 01 50 ...
- 195
0
votes
1
answer
320
views
understanding dns under systemd/networkmanager
I am not understanding why my pc wasn't able to resolve names until I manually deleted a stale nmcli device entry.
Description/steps:
ubuntu 22.04 desktop, which uses network-manager and systemd-...
1
vote
0
answers
74
views
How to add a negated list of names to match in a .network configuration file in /etc/systemd/network/
How can I add a negated list of names to match? I want to match all interfaces that do not start with veth or vir. Is the below correct?
[Match]
Name=!veth* !vir*
[DHCPv4]
UseDNS=no
Thanks!
- 31
0
votes
3
answers
720
views
Both systemd-networkd and NetworkManager starts by itself
This is ubuntu 20.04.
I stopped and disabled systemd-networkd. Then enabled NetworkManager. But after reboot both services come up. Keeps happening like that. I want to manage my server using nmcli, ...
- 225
2
votes
1
answer
589
views
systemd-networkd-wait-online configuration: confusion about --any
uname -a
Linux meer 6.1.3-arch1-1 #1 SMP PREEMPT_DYNAMIC Wed, 04 Jan 2023 16:28:15 +0000 x86_64 GNU/Linux
But this is not a recent issue. It's been like this "for a while" - sorry.
I ...
- 1,958
1
vote
1
answer
199
views
Link flapping when MTU is set by DHCP server
I'm facing a peculiar networking issue with an Ubuntu 18.04 system. One of my Ethernet interfaces exhibits link flapping only with one particular brand of router (Sierra Wireless MP70) and only when ...
- 173
0
votes
0
answers
438
views
Static IP addresses in /etc/systemd/network do not get set
I have Ubuntu 22.04 running with two interfaces. I have set their static IP Addresses thru three files:
File: 10-debug.conf
[Service]
Environment=SYSTEMD_LOG_LEVEL=debug
File:85-static.network
[...
- 119
0
votes
0
answers
121
views
ifconfig and systemd-networkd are not synced and behaving differently
I have two questions if someone can help: I have a linux based system.
I configured the /etc/systemd/network/00-eth0.network file with IP, Gateway, and MAC addresses. After I restart the systemd-...
- 1
0
votes
0
answers
187
views
How to start my service file after network is configured?
I want my service to only start when network is completely configured (ip address, interfaces, etc.), and restart my service whenever network restarts(because configuration may change). To achieve ...
- 190
3
votes
1
answer
873
views
Systemd unit auto restart when network changes
I am using a Python script to make some connection to a remote server. This is my unit:
[Unit]
Description=...
After=network.target
[Service]
ExecStart=/usr/bin/python...
WorkingDirectory=/home/matej/...
- 35
0
votes
1
answer
136
views
Why does pgrep not find systemd-resolved?
#!/usr/bin/env bash
echo "pgrep not finding systemd-resolved has bitten many times."
if [ -z $(pgrep systemd-resolved) ]; then
echo -e "systemd-resolved not found by pgrep, trying ...
- 377
0
votes
0
answers
49
views
Can a simultaneously connect via ssh to a linux server running two network adapters each on a different vLAN?
I'm not new to linux but I'm not well versed in networking.
I have one single host (server) which uses systemd-networkd to assign interface names and static IP addresses.
Attached to the VM are two ...
- 51
0
votes
0
answers
187
views
NIC `bonding` in active backup mode is not working as expected with `systemd-netoworkd`
I can connect to internet using both the Ethernet connection and the WiFi connection.
❯ ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default ...
- 135
0
votes
1
answer
495
views
systemd does not rename the interface of my USB wifi adapter after replug
I have a WiFi adapter ASUS USB-AC53 Nano with rtl88x2bu driver compiled by myself. When I boot my computer, because of the feature predictable interface names by systemd, I always get an interface ...
- 1
2
votes
0
answers
203
views
How do I give my container a static ip address (systemd-nspawn)
My container changes its ip address extremely often, almost every boot. I tried giving it a static ip address so my script knows how to ssh into it but nothing I did seemed to work. So I tried looking ...
- 21
0
votes
0
answers
69
views
mininet access to services on host VM
Scenario / Background:
So, I am trying to simulate couple of hosts in mininet. I want to run network service (NFS - Network File System - running on port 2049) on one of the host in mininet topology, ...
- 101
0
votes
0
answers
69
views
How to reliably map physical ethernet port location to eth0/1
I'm using Debian 9 (stretch). I have a motherboard with four ethernet interfaces stacked two on top, two on bottom. For my use-case, I'm only using two of them. Here's my question: how do I make the ...
- 345
0
votes
0
answers
994
views
systemd network issues, ' code=exited, status=1/FAILURE'
I have an application that fails to connect with networking
(that's what I assume) and throws a code=exited, status=1/FAILURE error
if I start it using systemd.
However, if I start that application ...
- 1
2
votes
1
answer
178
views
systemd-networkd-wait-online failing with SocketCAN interface
I have configured a SocketCAN interface, can0 (confirmed working using can-utils). I have the below .network config file, so that systemd-networkd brings up the interface on boot.
#/etc/systemd/...
- 153
0
votes
1
answer
547
views
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 ...
- 1
1
vote
1
answer
615
views
In networkd, what is the relationship between Network.DHCP, DHCPv6.WithoutRA, and IPv6AcceptRA.DHCPv6Client?
The networkd documentation describes the following network configuration options:
Network.DHCP. Possible values yes, ipv4, ipv6, and no. Default no.
DHCPv6 will by default be triggered by Router ...
- 715
2
votes
2
answers
890
views
How to retrieve a DHCP address for a VLAN?
Context: my French ISP (Orange fibre) provides crappy routers and I replaced it with a Ubiquity ER-4 a few years back. I now would like to use a small PC running Debian 10 and systemd-networkd.
In ...
- 1,455
0
votes
1
answer
119
views
trouble with onboard wifi, usb wifi okay
Trouble with onboard wifi.
As this output shows, the Comet Lake wifi is recognized but not assigned a logical name and is not assigned an IP -- although it is configured through systemd-network and ...
- 1,958
1
vote
2
answers
2k
views
systemd-networkd-wait-online.service consistently overwritten by updates
Arch 5.18.12
I have multiple network interfaces and sometimes it takes a few minutes for all of them to connect. However for system startup I need only one -- which one depends on my geographic ...
- 1,958
0
votes
0
answers
2k
views
firewall-cmd: You most likely need to use --zone=trusted option
With Fedora 36, I noticed a new firewall-cmd warning I didn't notice before (when setting things up in the same way):
# firewall-cmd --list-all
You're performing an operation over default zone ...
- 56.4k
1
vote
1
answer
142
views
how can I prevent networkd from raising interface while still allowing dhcp configuration
I am trying to use systemd-networkd to configure my network. I would like to have a dhcp setting but I must keep the interface from being up. The step scenario would be
Machine boot up
Network ...
- 11
1
vote
1
answer
210
views
systemd-networkd match for LAN
I want static LAN IP addresses for my devices (an ethernet and wifi ) but in my usual week I connect to two LANs: two gateways, two IP ranges: a 10.0... network and a 192.168.. network.
I have been ...
- 1,958
3
votes
2
answers
2k
views
Rename ether interface with systemd-networkd without reboot
I have a virtual Debian 11 server configured to be a router. On the router I use systemd-networkd to configure all of the network interfaces.
When I add a (virtual) interface to the router the ...
- 380
1
vote
1
answer
671
views
How to stop a service when a network interface goes down?
I have a service which I want to start and stop my service when a specific network interface (eth0 in my case) goes up and down. Reading through documentation, and posts, I have come to the unit below,...
- 170
0
votes
0
answers
149
views
Networking.service active failed
I am using Kali Linux. My NetworkManager is enabled. But randomly my NetworkManager or networking.service goes down. Most of the time it's networking.service and my wifi is gone.
And Then I'm unable ...
1
vote
1
answer
331
views
Get MAC address before network is ready
I created a script to set a bunch of computer hostnames to the last 8 digits of the MAC address. The MAC address is a unique number baked into every computer, so it works well.
I created a systemd ...
- 283
0
votes
1
answer
6k
views
systemd-networkd won't configure a static IP
I'm trying to switch to a static IP address, but systemd keeps using DHCP. Here is my /etc/systemd/network/eth0.network file:
[Match]
Name=eth0
[Network]
Address=192.168.5.100/24
DHCP=no
I know the ...
- 61
0
votes
1
answer
765
views
systemd.networkd DHCP server: assign static addresses to DHCP clients
I want to switch from isc-dhcp-server to systemd.networkd but I couldn't find any information about assigning static IP addresses (based on MAC) in systemd.networkd. Is it possible to configure ...
- 353
1
vote
1
answer
486
views
VXLAN interface disappears
I have a CentOS 7 server with a VXLAN interface connected to a bridge. The server is using the network service. NetworkManager is not installed. This /sbin/ifup-local script sets up the VXLAN ...
- 111