KVM | debian | building a bridge

You did set up a kvm and have one physical interface with IP, i.e. eno1?

To get a bridge tune your /etc/network/interfaces like this:

auto lo
iface lo inet loopback

iface eno1 inet manual
auto br0
iface br0 inet static
  dns-search inbbradio.de
  bridge_ports eno1
  bridge_stp off
  bridge_fd 0
  bridge_maxwait 0


That means:

Yout establish a virtual bridge br0 with ip and your physical interface eno1 is docked on the inner side of this bridge.

YOURLAN << br0WITH192.168.100.121<<>>YOURPHYSICALeno1

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