Setting up Windows VM on Proxmox with 1 IP

https://www.tienle.com/2014/06-03/setting-up-windows-vm-on-proxmox-with-1-ip.html

We will edit /etc/network/interfaces and add vmbr2 as follows:

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auto vmbr2     iface vmbr2 inet static     address 192.168.0.254     netmask 255.255.255.0     bridge_ports none     bridge_stp off     bridge_fd 0     post-up echo 1 > /proc/sys/net/ipv4/ip_forward     post-up iptables -t nat -A POSTROUTING -s '192.168.0.0/24' -o vmbr0  -j MASQUERADE     post-down iptables -t nat -D POSTROUTING -s '192.168.0.0/24' -o vmbr0  -j MASQUERADE     post-up iptables -t nat -A PREROUTING -i vmbr0 -p tcp --dport 13389 -j DNAT --to 192.168.0.1:3389     post-down iptables -t nat -D PREROUTING -i vmbr0 -p tcp --dport 13389 -j DNAT --to 192.168.0.1:3389