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

[george.vargh at wipro.com]

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

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