VboxManage VirtualBox NAT Network Issues Managment Troubleshooting

If you find your NAT Network is not working properly, the first thing you may want to do is list the networks, check their status and make sure the Network is actually started and configured as you expect (eg. is DHCP on and enabled?).

This is a long known, unresolved bug that seems to affect Version 6 randomly and disportionately on especially Mint 20/Ubuntu 18.

https://www.virtualbox.org/ticket/14748?cversion=0&cnum_hist=8

If the below doesn't help or work the best course of action is to power off the VMs, create a new Nat Network and assign the new Nat Network to the VMs and that normally fixes it.

 

List NAT Networks:

VBoxManage natnetwork list
NAT Networks:

Name:        NatNetwork1
Network:     10.10.10.0/24
Gateway:     10.10.10.1
IPv6:        No
Enabled:     Yes

1 network found

Start NAT Network:

VBoxManage natnetwork       start --netname

Stop NAT Network:

VBoxManage natnetwork       stop --netname
 

Create NAT Network:

VBoxManage natnetwork       add --netname
                            --network
                            [--enable|--disable]
                            [--dhcp on|off]
                            [--port-forward-4 ]
                            [--loopback-4 ]
                            [--ipv6 on|off]
                            [--port-forward-6 ]
                            [--loopback-6 ]

Delete NAT Network

VBoxManage natnetwork       remove --netname

Make changes to NAT Network

 

VBoxManage natnetwork       modify --netname
                            [--network ]
                            [--enable|--disable]
                            [--dhcp on|off]
                            [--port-forward-4 ]
                            [--loopback-4 ]
                            [--ipv6 on|off]
                            [--port-forward-6 ]
                            [--loopback-6 ]
 

https://docs.oracle.com/en/virtualization/virtualbox/6.0/user/vboxmanage-natnetwork.html


Tags:

vboxmanage, virtualbox, nat, managment, troubleshootingif, networks, configured, eg, dhcp, enabled, natnetwork, gateway, ipv, netname, enable, disable, loopback, delete, modify, https, docs, oracle, en, virtualization, user, html,

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