Questions tagged [systemd-networkd]

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

Filter by
Sorted by
Tagged with
0
votes
1answer
78 views

Reliably apply all settings provided by DHCP including NTP servers in Ubuntu 18.04 desktop

In summary: I would like to find a way that allows my wired network connection to properly use all of the information supplied by my dhcp server and still allow gnome to realize that there is an ...
0
votes
1answer
124 views

Changing the DNS servers Ubuntu Server 20.04 - Arm64 (Raspi)

I am running ubuntu server 20.04 on a raspberry pi 4 and I am having difficulty updating the dns entry in resolv.conf. resolv.conf points to the nameserver 127.0.0.53; however, I disabled the systemd-...
0
votes
0answers
74 views

how to set hostname via DHCP in Ubuntu 20.04 or 18.04?

I'm new to the systemd world (and Ubuntu in general), but I tried to dig as deep as I could to try to answer this question myself, but not really getting anywhere. I'm setting up VMs for both Ubuntu ...
0
votes
0answers
17 views

Configuring an ISP supplied IPv6 range under systemd in Ubuntu 18.04.4 LTS on a server

I have a server with OVH. It has some IPv4 addresses, and those work as expected. I would like to start supporting IPv6 as well. They supplied me with a base config that mapped a /32 IPv4 and a /64 ...
2
votes
1answer
87 views

What is creating /run/netplan/eth0.yaml?

Something is creating /run/netplan/eth0.yaml at boot and I can't figure out what it is. (I'm running 18.04 Bionic Beaver.) That file is causing eth0 to be managed by systemd-networkd but I want it to ...
1
vote
1answer
55 views

netplan nameserver settings not used in nslookup for specific interface

I have been researching and trying stuff out all morning and I can't seem to wrap my head around it. Bear with me, in case I am missing something basic here. The Scenario: I have configured ...
0
votes
1answer
54 views

systemd-networkd - interface goes down while renewing lease

I am using Ubuntu as my home router and since migrating from Funtoo/Gentoo, I noticed I periodically have connection drops whereas I did not before. Looking further at the logs, I see my external ...
2
votes
2answers
389 views

Boot process hangs at systemd-networkd-wait-online

When i want to boot up my laptop it shows this error to me [FAILED] Failed to start Dispatcher daemon for systemd-networkd and this is what happens Please help me.
0
votes
1answer
114 views

hostname is not set from DHCP server

I am using netplan to configure my wired interface via DHCP: network: version: 2 renderer: networkd ethernets: eno1: dhcp4: yes dhcp6: no I uninstalled dhclient and installed ...
1
vote
1answer
270 views

How to troubleshoot network problems for virtual machines connected via a bridge (Ubuntu 18.04)

On my server (Ubuntu 18.04 LTS) I am running a KVM virtual machine which has been running fine for over a year or so but recently - probably because of some update - the virtual machine would lose ...
0
votes
0answers
52 views

How to prevent the route with metric 0 to be created

My PC has two NICs,ethernet and wifi. I wnat to set higher metric to wifi NIC. I use systemd-networkd. $ cat /etc/systemd/network/10-wired.network [Match] Name=enp0s25 [Network] Address=192.168.3....
1
vote
1answer
206 views

18.04 server Network is unreachable

My Server was working great until TimeTrex (A PHP based Payroll Application needed updating for the new Tax Tables. The install went in clean but now the system says the network is unreachable. I ran ...
0
votes
0answers
431 views

Netplan config not working for enp0s3

I am at my wits end here with Netplan. I just got a brand new install of 18.04 LTS Ubuntu server running in Vbox for testing. The network interface is running in NAT mode on Vbox and there is a DHCP ...
0
votes
0answers
34 views

How to: add a static nameserver to a set of dynamic nameservers?

I am currently receiving a set of nameservers via DHCP via NetworkManager. I have a project specific nameserver, which is not known to the DHCP server, that I wish to include in my nameserver list. A ...
0
votes
1answer
280 views

How to enable screen sharing when using networkd in netplan in Ubuntu 18.04.3?

I have configured a bond and 2 other network ports in my netplan configuration file, which works fine. The problem I face now is that I can not find a way to enable screen sharing since no networks ...
0
votes
0answers
220 views

systemd-networkd DHCP ethernet configuration using wpa_supplicant for eap-tls

I am having trouble making a connection to internal corporate network on my Raspberry Pi3. I currently have Ubuntu Server 19.10 installed and am using NetPlan to manage the systemd.networkd ...
0
votes
0answers
107 views

ICMP is not getting disabled

I am trying to disable ICMP services. For this the following configuration lines have been added into the /etc/sysctl.conf file net.ipv4.icmp_echo_ignore_all = 1 net.ipv4....
0
votes
0answers
263 views

Netplan Bridge Stuck in Degraded Mode

I'm trying to add a Bridge on 18.04 Server VM on Hyper-V with LXD Installed and the bridge never comes up and never gets an IP Address. Hopefully someone sees what I'm doing wrong. network: version:...
0
votes
0answers
772 views

I can't get into my desktop, problems with systemd-networkd

I've been using Ubuntu 18.04 for few months now so I'm pretty new here. It's giving me this error when I want to boot up my laptop. It says: [FAILED] Failed to start dispatcher daemon for systemd-...
0
votes
1answer
163 views

Ubuntu with 2 static IP interfaces gets 2 default routes

Unfortunately the solution provided to a similar question does not seem to apply here; it explains how to override the settings for DHCP. I have 2 static interfaces. The system was working as ...
3
votes
1answer
876 views

18.04 server unreachable on secondary network interfaces

After seventeen years since last touching Linux (Red Hat), I've come back to work on Ubuntu 18.04 servers. I see plenty have changed, including the foundational init system systemd, which appeared to ...
0
votes
0answers
24 views

How can I troubleshoot when an IPV6 tunnel stops working?

Assuming the configuration hasn't changed, how can I start troubleshooting? I woke up to not being able to ping IPv6 addresses. Things to keep in mind: IP Address didn't change. Public IP Address ...
0
votes
0answers
110 views

Interface name change question

I am trying to diagnose a wifi issue with my Ubuntu 18.04.3 server and noticed the following in the logs: systemd-networkd[931]: wlp1s0: Interface name change detected, wlp1s0 has been renamed to ...
1
vote
1answer
3k views

Renew DHCP lease in systemd-networkd

I have my eth0 interface configured for DHCPv4 via netplan: network: version: 2 renderer: networkd ethernets: eth0: dhcp4: true dhcp6: true ...
8
votes
1answer
1k views

/etc/network/interfaces, systemd-networkd and NetworkManager: how do they coexist together?

Is it sufficient to have one of these three in Ubuntu 19.04? Is it possible to have all three and how to configure them so they were not conflicting? Does systemd-networkd started by networking....
0
votes
1answer
156 views

Assigning Unique Local Addresses to the loopback interface

I have Ubuntu 18.04.2, upgraded from 16:04. Previously I had an IPv6 ULA (Unique Local Address) assigned to the loopback interface in /etc/network/interfaces. I tried to make the same assignment in ...
0
votes
1answer
420 views

isc-dhcp-server and systemd-networkd

Does systemd-networkd implement a DHCP server or does it work with isc-dhcp-server? I am attempt to implement a gateway/router using 18.04 LTS server. I am reading the man page regarding the systemd-...
0
votes
0answers
71 views

Need gateway/router example using systemd-networkd

Is there a good Ubuntu example of gateway/router using systemd-networkd? I am trying to find an Ubuntu example of a gateway/router where eth0 is the WAN and eth1 ... ethN are the LAN using systemd-...
1
vote
1answer
129 views

DRBD8 with Systemd-Networkd (Netplan)

This is the first time I am configuring DRBD(drbd-utils 8.9.10-2) on a Ubuntu 18.04 with systemd-networkd (using netplan). Generally the setup seems successful. I have one resource that is being ...
0
votes
0answers
3k views

Issues setting static IP using netplan Ubuntu Server 18.04 LTS

Having some major issues with networking on Ubuntu 18.04 LTS. Fresh install. I set a static IP during install which worked for a couple days and remained set after multiple reboots. Now the interface ...
0
votes
1answer
567 views

networkd status - wlp1s0: Could not join netdev: Operation not supported

I'm struggling on using the wlan on a server 18.04. this is my 01-netcfg.yaml: network: version: 2 renderer: networkd ethernets: enp2s0: dhcp4: yes optional: true enp3s0: ...
0
votes
1answer
585 views

How do I enable systemd units to run at first boot?

I have a bionic image built using debootstrap. I have neither netplan nor NetworkManager installed, but networkd does not start at boot. # grep networkd /lib/systemd/system-preset/90-systemd.preset ...
0
votes
1answer
194 views

Long bootup time with bridge configured in netplan in 18.04

In Ubuntu 18.04 the default network configuration is done with netplan. I have a setup which creates a bridge interface at startup, see below. It all works great, except that during startup it runs ...
1
vote
0answers
347 views

Slow Boot time apt-daily-upgrade.service and apt-daily.service on Xubuntu 18.04 - ASUS K70IO laptop [duplicate]

I'm on Xubuntu 18.04, yet recently my old laptop is very slow to boot . I've been hunting on the internet but I am unable to find any solution. Please help, ASUS K70IO NVIDIA GeForce GT 120M ...
1
vote
0answers
410 views

Destination Host Unreachable on Ubuntu Netplan, same subnet, same routes

I've been banging my head against this problem for days and can't find a solution. I have a network with a server with two interfaces, one for normal traffic and one with an address 10.72.0.23/12 (...
0
votes
2answers
7k views

Unable to ping 18.04 desktop unless this machine first pings the client, when using networkd instead of network-manager

I'm trying to set up networking with netplan and networkd as renderer on an 18.04 machine. It runs the desktop distribution because it's connected to my TV and used for multimedia, but I'll call it a ...
1
vote
0answers
2k views

18.04.1 LTS systemd-network not applying [RoutingPolicyRule]

I have a server instance with two interfaces, and I have created a rule to ensure traffic that comes in ens160 goes out ens160 despite matching the default route for ens192. The routes and rules work ...
3
votes
1answer
5k views

Does Ubuntu 18.04 use dhclient?

I'm trying to figure out how to configure my DHCP client on Ubuntu server 18.04. I have the following netplan configuration, coming from cloud-init: network: version: 2 ethernets: ...
1
vote
0answers
104 views

netplan+networkd portable/usb setup

I have a number of bootable USB drives with Ubuntu 18.04 which had been upgraded from past versions of Ubuntu. Now I am looking for the most proper and concise config for netplan to express a rule ...
0
votes
1answer
5k views

Ubuntu 18.04 netplan.io how to prevent the creation of 2 default gateways [duplicate]

When I add 2 interfaces (eth0 LAN, eth1 WAN) with static IPs (or maybe also with DHCP), Ubuntu 18.04 Server is adding 2 default gateways. Thats not the goal. How can I define only 1 default gateway? ...
1
vote
0answers
574 views

Netplan / systemd-networkd VLAN is missing

I tried to add a additional virtual VLAN Interface, but it is not visible in ifconfig. Netplan Config: network: version: 2 renderer: networkd ethernets: ...
0
votes
0answers
3k views

Ubuntu 18.04 configure but disable network interface

I created a dummy0 interface, (which is not currently supported by netplan) with systemd-networkd config syntax, as shown in my answer here: Ubuntu 18.04: How to create a persistent dummy network ...
3
votes
1answer
3k views

Ubuntu 18.04 does not get search domain from DHCP server?

I have a system with Ubuntu 18.04 on it, and there have been some (apparently) radical changes in the way DHCP client and DNS are handled. After stumbling through documentation on systemd-resolved, I'...
0
votes
1answer
1k views

systemd.network virtual interfaces

I have a dedicated server running Ubuntu 18.04, which is using systemd.network to manage its networking. The server has only one physical NIC. The hosing provider has allocated two IP addresses and ...
1
vote
2answers
714 views

How can I disable LLMNR in Netplan?

I found How can I disable LLMNR in systemd-resolved? useful for demonstrating how to disable LLMNR in systemd-networkd. However, ubuntu 18.04 uses netplan to configure the network rather than systemd-...
1
vote
1answer
673 views

Migrating bridged eth0 with static IP from /etc/network/interfaces to networkd

Under Ubuntu 16.04, my /etc/network/interfaces file looks like this: auto lo iface lo inet loopback auto br0 iface br0 inet static address 144.76.AAA.BBB netmask 255.255.255.224 gateway 144.76....
2
votes
2answers
4k views

How to use neworkd instead of NetworkManager on ubuntu 18.04 desktop

I'm looking for the correct way of configuring the network with static IP on Ubuntu Desktop 18.04, but from the command line and not the GUI. Thank you
0
votes
2answers
1k views

systemd resolve doesn't respond to queries

I'm getting dns failures on some of the servers with Ubuntu Server 17.10 or 18.01. I can't resolve addresses unless I go direct to the nameservers (ie with dig @1.2.3.4 ...) It can't resolve the ...
8
votes
1answer
14k views

Am I running NetworkManager or networkd?

I am learning to use netplan. When writing a YAML configuration file I need to know which renderer to use, either NetworkManager or networkd. How do I know if I am running NetworkManager or networkd?
1
vote
0answers
373 views

Network not starting when logging into 17.10

I am having to run the following command everytime I login to my Ubuntu sudo netplan apply I am unsure what I have done to make it only start when I run this command and I am wondering how I go ...