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@sdoro
Created April 6, 2013 21:46
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Howto add/remove in VirtualBox a fifth NIC (without GUI) in hostonly networking
VBoxManage modifyvm "vm" --hostonlyadapter5 vboxnetX
VBoxManage modifyvm "vm" --nic5 hostonly
VBoxManage modifyvm "vm" --nic5 none
@trasherdk
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@marcelser

Listing your hosts network interfaces is done with:

VBoxManage list intnets|bridgedifs|hostonlyifs|natnets

In my case, I have 2 physical net-cards on my server (host) eth0 and eth1

$ VBoxManage list bridgedifs 
Name:            eth0
GUID:            30687465-0000-4000-8000-109836a72593
DHCP:            Disabled
IPAddress:       1.2.3.4
NetworkMask:     255.255.255.xxx
IPV6Address:     
IPV6NetworkMaskPrefixLength: 0
HardwareAddress: <mac-address>
MediumType:      Ethernet
Wireless:        No
Status:          Up
VBoxNetworkName: HostInterfaceNetworking-eth0

Name:            eth1
GUID:            31687465-0000-4000-8000-109836a72594
DHCP:            Disabled
IPAddress:       0.0.0.0
NetworkMask:     0.0.0.0
IPV6Address:     
IPV6NetworkMaskPrefixLength: 0
HardwareAddress: 10:98:36:a7:25:94
MediumType:      Ethernet
Wireless:        No
Status:          Down
VBoxNetworkName: HostInterfaceNetworking-eth1

Those are the ones I can attach a guest VM network interface to.

So, for example, I want to create a interface on guest vm-name attached to host nic eth0

VBoxManage modifyvm "vm-name" --nic1 bridged --nictype1 82545EM --bridgeadapter1 eth0

Okay, now I want to create a second interface on guest vm-name attached to host nic eth1

VBoxManage modifyvm "vm-name" --nic2 bridged --nictype2 82545EM --bridgeadapter2 eth1

And that's pretty much it 👍

@rmoyano
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rmoyano commented Sep 7, 2021

How do I create vboxnetx or list all the vboxnetX without GUI?

Create a new host-only if:
$ VBoxManage hostonlyif vboxnetXY

List host-only if's:
$ VBoxManage list hostonlyifs

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