Having two VirtualBox VMs with NAT but different IP from host?

Question

I have two Linux VMs A and B in VirtualBox 6.1 (Host: Windows 10).

I am using NAT Network Mode for both machines. I am currently able to connect with ssh root@127.0.1.1 to the machine A (from the host).

When I start the second machine B, I would likeconnect to B by e.g. ssh root@127.0.1.2. But the second machine also uses the external ip 127.0.1.1.

How can I changes this such that both machines are accessible from the host with two different ips?

Answer 1

The solution is to have A.vbox with the following entries:

<Network>
        <Adapter slot="0" enabled="true" MACAddress="08002731CD46" type="82540EM">
          <NAT>
            <Forwarding name="ssh" proto="1" hostip="127.0.1.1" hostport="22" guestip="10.0.2.15" guestport="22"/>
          </NAT>
        </Adapter>
      </Network>

And the other B.vbox file with

      <Network>
        <Adapter slot="0" enabled="true" MACAddress="08002761CE67" type="82540EM">
          <NAT>
            <Forwarding name="ssh" proto="1" hostip="127.0.1.2" hostport="22" guestip="10.0.2.15" guestport="22"/>
          </NAT>
        </Adapter>
      </Network>