Network bridge (for virsh)

[Chris Keschnat]

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Hello,
I'm using the ~Virtual machine manager~. During
installation/configuration I could not figure out the way to define a
network bridge. I created it manually with ~virsh~:

#+begin_src sh
  sudo virsh net-define 
/gnu/store/47s1cs65izld791m38aa461s02q5ngb7-libvirt-8.6.0/etc/libvirt/qemu/networks/default.xml
  sudo virsh net-autostart default
  sudo virsh net-start default
#+end_src

(the =default.xml= looks like this)
#+begin_src conf

  <network>
    <name>default</name>
    <bridge name='virbr0'/>
    <forward/>
    <ip address='192.168.122.1' netmask='255.255.255.0'>
      <dhcp>
        <range start='192.168.122.2' end='192.168.122.254'/>
      </dhcp>
    </ip>
  </network>

#+end_src


What is the declarative way here? If this is documented somewhere I
would appreciate a link. Searching for ~bridge~ on the
networking[1][2] and virtualization[3] docs yields no results


Thank you
Chris

[1] https://guix.gnu.org/manual/devel/en/html_node/Networking-Setup.html
[2] https://guix.gnu.org/manual/en/html_node/Networking-Services.html
[3] https://guix.gnu.org/manual/en/html_node/Virtualization-Services.html
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