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Old 06-08-2016, 05:15 PM   #1
Registered: Jun 2009
Posts: 67

Rep: Reputation: 16
Arch - Interface is down at boot

Hello, all,

I have a new installation of Arch Linux in a VirtualBox guest under a Windows 10 host. The only problem I've noticed so far since the installation is that the interface is down at boot. I have to issue an ip link set enp0s3 up command at boot and then I can run systemctl start dhcpcd@enp0s3 to get access to the Internet. I have a handful of other Arch Linux systems and none of their network interfaces are down at boot. What did I miss during the installation and what do I have to do now to make the enp0s3 interface up so that my dhcpcd@enp0s3 service can get an IP address at boot?

I've tried Googling for some answers and I am directed here and here, but I have not been able to scan / search my way through those pages to find (or recognize) what I'm looking for.

So far, I've tried creating an ip-link-set-up@enp0s3 service that is configured with ExecStart=/usr/bin/ip link set %I up and set to run Before=dhcpcd@%i.service but that has not helped.

Last edited by WarTurkey; 06-08-2016 at 05:28 PM. Reason: Documenting additional troubleshooting steps taken
Old 06-08-2016, 06:18 PM   #2
Registered: Jun 2009
Posts: 67

Original Poster
Rep: Reputation: 16
I am not sure what caused the issue but shortly after posting, I realized that I could actually no longer get the interface to obtain an IP address by issuing the dhcpcd command anymore. I tried manually specifying an IP address with ip addr but I could not ping any nodes on the network and nothing could ping my VM. I ended up powering the VM off and changing the emulated adapter to the "virtio" para-virtualized adapter and rebooting. This allowed me to manually set the link up and then use dhcpcd to obtain an address. I then enabled dhcpcd@enp0s3 and rebooted and the interface came back up and worked.


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