### Hetzner Online GmbH installimage

auto lo
iface lo inet loopback
iface lo inet6 loopback

auto eth0
iface eth0 inet static
  address 198.51.100.160
  netmask 255.255.255.192
  gateway 198.51.100.129
  # route 198.51.100.128/26 via 198.51.100.129
  up route add -net 198.51.100.128 netmask 255.255.255.192 gw 198.51.100.129 dev eth0

iface eth0 inet6 static
  address 2a0:4d8:201:231d::2
  netmask 64
  gateway fe80::1

auto eth0:1
iface eth0:1 inet static
address 198.51.100.187
gateway 198.51.100.129
netmask 255.255.255.192

sudo apt install -y bridge-utils

sudo echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
sudo sysctl -p /etc/sysctl.conf

sudo apt install -y iptables-persistent
sudo iptables -I FORWARD -j ACCEPT
sudo dpkg-reconfigure -y iptables-persistent

auto eth0
iface eth0 inet static
  address 198.51.100.187
  netmask 255.255.255.192
  gateway 198.51.100.129
  dns-nameservers 8.8.8.8 8.8.4.4

### Hetzner Online GmbH installimage

auto lo
iface lo inet loopback
iface lo inet6 loopback

auto eth0
iface eth0 inet static
  address 198.51.100.160
  netmask 255.255.255.192
  gateway 198.51.100.129
  dns-nameservers 8.8.8.8 8.8.4.4

auto br0
  iface br0 inet manual
  bridge_ports eth0
  bridge_stp off       # disable Spanning Tree Protocol
  bridge_waitport 0    # no delay before a port becomes available
  bridge_fd 0          # no forwarding delay

auto br1
iface br1 inet static
  address 198.51.110.65
  netmask 255.255.255.248
  bridge_stp off       # disable Spanning Tree Protocol
  bridge_waitport 0    # no delay before a port becomes available
  bridge_fd 0          # no forwarding delay

iface eth0 inet6 static
  address 2a0:4d8:201:231d::2
  netmask 64
  gateway fe80::1