How to SSH to a VirtualBox guest externally through a host?

Network in NAT

port forward
Host port 2222, guest port 22, name ssh, other left blank

VirtualBox Static ip

Virtualbox network in BridgeMode

sudo vi /etc/network/interfaces

auto eth0
iface eth0 inet static
   address 192.168.Y.X
   netmask 255.255.255.0
   network 192.168.Y.0
   gateway 192.168.Y.1

sudo service networking restart