[vbox-dev] To handle natnetwork

Federica Renzi renzi.fede at gmail.com
Wed Jul 23 10:18:08 GMT 2014


Hi Frank,
first of all thanks for the reply!
Unfortunately I already tested this option but It doesn't work...



2014-07-23 11:56 GMT+02:00 Frank Mehnert <frank.mehnert at oracle.com>:

> Hi Federica,
>
> On Wednesday 23 July 2014 11:50:32 Federica Renzi wrote:
> > I have a question about natnetwork.
> > When a virtual machine is activated, its natnetwork processes start to
> run:
> >
> >    - /usr/lib/virtualbox/VBoxXPCOMIPCD
> >
> >    - /usr/lib/virtualbox/VBoxSVC
> >
> >    - /usr/lib/virtualbox/VBoxNetDHCP
> >
> >    - /usr/lib/virtualbox/VBoxNetNAT
> >
> >
> > Unfortunately, when that virtual machine is closed (and *no other vm
> which
> > use the same natnetwork is currently active*) those processes will be
> > closed too, causing connection fall.
> > There is some way to keep alive connection using API even while virtual
> > machine is closed?
> >
> > I don't know If I explain correctly the problem...so I try again using my
> > personal example:
> >
> > I create a netcat connection between my VM and another machine. Then, for
> > some reasons, I need to close in safemode the VM just for few seconds.
> > However, closing the VM, netcat connection fall.
> >
> >
> > How can I avoid that?
>
> you are completely right, these services are automatically stopped when
> the last VM who used this network terminates. I think
>
>   VBoxManage natnetwork start --netname NAME
>
> should start the network and prevent autostopping. Though I didn't test
> it yet...
>
> Kind regards,
>
> Frank
> --
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-- 
Federica Renzi
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