[vbox-dev] VirtualBox blocks 127/8 (loopback) subnets for intnet

Alexey Eromenko al4321 at gmail.com
Tue Dec 1 15:17:49 UTC 2015


>The MAC address of the interfaces have not changed.

Some applications do use multiple virtual MAC addresses (like GNS3 -
Graphical Network Simulator).
So maybe yours is affected.

On Tue, Dec 1, 2015 at 5:15 PM,  <george.vargh at wipro.com> wrote:
> Hi Alexey,
>
>  The MAC address of the interfaces have not changed.
>  It looks like there is some filtering in VirtualBox in the receive path to filter 127.x.x.x IP address before it reaches the Ethernet device emulation in VM.
>
> Best Regards
>  George
>
> -----Original Message-----
> From: Alexey Eromenko [mailto:al4321 at gmail.com]
> Sent: 01 December 2015 18:54
> To: Gianfranco Costamagna <costamagnagianfranco at yahoo.it>
> Cc: vbox-dev at virtualbox.org
> Subject: Re: [vbox-dev] VirtualBox blocks 127/8 (loopback) subnets for intnet
>
> One major difference between old VirtualBox and new one is at the MAC level filtering at layer 2.
>
> To achieve network similar to VirtualBox 2.x, you need:
> VM->Settings->Network->Adapter [X]->Advanced->Promisc. Mode = "Allow All".
>
> If your application used to work with VBox 2.x, it will work with v5.x and this setting.
>
> Best wishes,
> -Technologov
>
> _______________________________________________
> vbox-dev mailing list
> vbox-dev at virtualbox.org
> https://www.virtualbox.org/mailman/listinfo/vbox-dev
> The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email. www.wipro.com



-- 
-Alexey Eromenko "Technologov"



More information about the vbox-dev mailing list