Install Mikrotik Cloud Router

# Configure LiveCD network
ifconfig ens3 123.45.67.89 netmask 255.255.255.0 up
ip route add default via 123.45.67.1
echo "nameserver 8.8.8.8" >> /etc/resolv.conf
/sbin/sshd
passwd root


# Install RouterOS
cd /tmp
wget https://download.mikrotik.com/routeros/7.2/chr-7.2.img.zip
unzip chr-7.2.img.zip
dd if=chr-7.2.img of=/dev/vda bs=4M oflag=sync
/ip address add address=123.45.67.89/24 interface="ether1"
/ip route add check-gateway=ping distance=1 gateway=123.45.67.1
/ip dns set servers=8.8.8.8,1.1.1.1

После чего не забываем добавить Mikrotik Default Firewall Rules