Difference between revisions of "How to configure network using systemd-networkd in Yocto"

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Revision as of 13:49, 15 March 2025

How to configure network using systemd-networkd in Yocto

When using Yocto Project it sometimes may be necessary to setup a static IP address via a custom recipe.

When the network manager is systemd-networkd the file usually responsible for that is /lib/systemd/network/80-wired.network

Simply change it from the original

   # cat /lib/systemd/network/80-wired.network
   
   [Match]
   Type=ether
   Name=!veth*
   KernelCommandLine=!nfsroot
   KernelCommandLine=!ip
   
   [Network]
   DHCP=yes
   
   [DHCP]
   UseMTU=yes
   RouteMetric=10
   ClientIdentifier=mac

To the following

   # cat /lib/systemd/network/80-wired.network
   
   [Match]
   Type=ether
   Name=!veth*
   KernelCommandLine=!nfsroot
   KernelCommandLine=!ip
   
   [Network]
   Address=192.168.0.184/24
   Gateway=192.168.0.1
   DNS=1.1.1.1
   
   [DHCP]
   UseMTU=yes
   RouteMetric=10
   ClientIdentifier=mac

Below is an example of a recipe to manage that

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