Using auto_config: false for a private network without specifying IP?

[Shashank Korada]

Hi,

I am trying to spin a VM that has an additional interface which I want to configure/use later and hence do NOT want the IP to be assigned to it.

I am using the auto_config feature which does help in not assigning an IP to the interface

But for some reason I require the IP not to be mentioned in the vagrantfile. Is there a way to do it without specifying it?

VAGRANTFILE_API_VERSION = "2"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|

  config.ssh.forward_agent = true

    config.vm.define test-vm do |s|

      s.vm.box = "ceph/ubuntu-xenial"

      s.vm.hostname = test-vm

      s.vm.network :private_network, ip: "10.10.10.10" , auto_config: false  ====> HOW TO SKIP specifying IP here?

      s.vm.provider :libvirt do |v|

        v.memory = 6000

        v.cpus = 2

        v.nested = true

    end

  end

end

I have tried s.vm.network :private_network, ip: "" , auto_config: false but that doesnt work

Any ideas?

[Shashank Korada]

The reason I dont want to mention the IP is , although it brings up an interface without assigning an IP to it , the host get a virtual network interface with 10.10.10.1 which I want to avoid

virbr66   Link encap:Ethernet  HWaddr fe:54:00:29:80:a2
inet addr:10.10.10.1 Bcast:10.10.10.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
RX packets:8 errors:0 dropped:0 overruns:0 frame:0
TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:536 (536.0 B)  TX bytes:348 (348.0 B)

[Alvaro Miranda Aguilera]

Hello

The host get an IP from Virtualbox when Vagrant setup the proxy

if you go to network settings, vboxnet0 should be there

delete any other

then try with

s.vm.network :private_network, auto_config: false 

Vagrant will create a VBoxSwitch

if you create one manually, and disable dhcp, does set an ip the host

if not? then you can try with 

s.vm.network :private_network, name: "vboxnet1" , auto_config: false 

assuming the one you created without dhcp is called vboxnet1

If this fail

share Vagrantfile and output

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Alvaro