Proxmox Notes

ubuntu static ip address at /etc/network/interfaces

auto eth0
iface eth0 inet static
address 172.16.0.11
netmask 255.255.255.0
gateway 172.16.0.1
nameserver 8.8.8.8
nameserver 1.1.1.1

Setting for vmbr1 interface

auto vmbr1
iface vmbr1 inet static
	address 172.16.0.1
	netmask 255.255.255.0
	bridge-ports none
	bridge-stp none
	bridge-fd 0

NAT Setting

post-up echo 1 > /proc/sys/net/ipv4/ip_forward

post-up iptables -t nat -A POSTROUTING -s "172.16.0.0/24" -o vmbr1 -j MASQUERADE

post-down iptables -t nat -D POSTROUTING -s "172.16.0.0/24" -o vmbr1 -j MASQUERADE

NAT the port from NAT environment to public

iptables -t nat -A PREROUTING -p tcp -d 192.168.0.139 -dport 7070 -i vmbr0 -j DNAT --to-destination 192.168.100.15:80

iptables-save

iptables-save > /etc/iptables.conf