This file tells systemd that we want to apply a simple static network configuration to br0 with a single IPv4 address. Let’s create /etc/systemd/network/work and put the following in it: Run ip addr to get a list of your network cards. In my case, the network adapter connected to my external network is enp4s0 but yours will vary. In addition, let’s enable the caching resolver and make a symlink to systemd’s nf: systemctl enable systemd-networkd We also need to make a config file director for systemd-networkd if it doesn’t exist already. Getting our daemons in order #īefore we get started, ensure that systemd-networkd will run on a reboot and NetworkManager is disabled. Much of the networkd support has been in systemd for quite a while, but if you’re looking for fancier network settings, like bonding, you’ll want at least systemd 216. RHEL/CentOS 7 and Arch Linux should also work. I decided to try my hand with creating a bridge using only systemd-networkd and it was surprisingly easy.įirst off, you’ll need a version of systemd with networkd support. There are plenty of guides out there for making ethernet bridges in Linux to support virtual machines using built-in network scripts or NetworkManager.
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