Comments on: Access VirtualBox Guest Network From Outside

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By: Craig

Craig — Sun, 21 Dec 2008 00:34:28 +0000

Hi Mehul,

I am using a Dell laptop with Wireless connection as the connection and have followed the above directions.

The LAN, it seems to have gone into promiscuous mode ok.

The wireless adaptor is Broadcom BCM4312, I have not yet discovered whether it supports WDS or not.

The IP assigned to br0 is from DHCP (BT Home hub).

The Virtual machine using device vbox0, once manually assigned an IP can be reached by the host but not from the LAN, I can ping it from the host, I can ping the router from the host, but I cant ping the router from the VM, or the VM from any other machine on the LAN.

I can ping between VM’s so it is looking likely that the adaptor in not supporting WDS.

I have used VMware and that seems to work fine in Bridged mode, what are they doing that is so different?

By: mehul

mehul — Sat, 20 Dec 2008 02:55:38 +0000

hi Craig,
Can you tell us how your network is setup and what are the stops you’ve followed, possibly then we can have a better idea about your problem.
If you manually assign an IP, then are you able to ping that IP from outside the VM?

By: Craig

Craig — Fri, 19 Dec 2008 22:45:13 +0000

HI,
I am using Ubuntu 8.10.
I am finding that the VM is unable to acquire an IP address from DHCP.

I have read a number of posts on bridging and as far as I can gather it should be possible.

Manual assignment of IP address works ok, just a bit of a pain.

Any thoughts or suggestions?

Another thought, have you tried to connect a virtual network to the bridge? would make it so much easier to deal with Multiple VMs.

By: mehul

mehul — Fri, 05 Dec 2008 16:20:38 +0000

Hi keith,
yes, the connection will go down when you bridge the interface because all the packets will pass from the physical interface to the bridge interface. What you need to do next is set the physical interface i.e. eth0, in your case to promiscous mode with the command
ifconfig eth0 0.0.0.0 promisc
After this step, set the IP address on br0 to the one which was given to eth0. You haven’t mentioned how you obrain your IP address so I cannot tell you how to set the IP address on br0. It will be the same way as you do for eth0. If you are not able to do this step, please tell me how you obtain your IP on eth0.
Now, the internet connection should work fine.

By: keith

keith — Fri, 05 Dec 2008 13:31:27 +0000

Hi,

as soon as i add the bridge to the interface my network connections go down
i.e brctl addif br0 eth0

Any ideas?

By: mehul

mehul — Wed, 19 Nov 2008 13:13:27 +0000

HI Mark,
I have updated my post with the URL to archwiki page on VirtualBox.

By: Mark

Mark — Wed, 19 Nov 2008 12:25:38 +0000

Can you provide the link to the page you mentioned on the archlinux wiki? I would like to read that page also. Thank you.

Also, the comment above mine (November 16, 2008 at 10:31 pm) links to a page with Trojan downloader malware on it. The site seems only to exist to spread this malware. Can you delete the comment to protect your other readers? Fortunately I use NoScript extension on Firefox and my Kaspersky antivirus program detected the malware.

Thank you.

By: » Access VirtualBox Guest Network From Outside

» Access VirtualBox Guest Network From Outside — Sun, 16 Nov 2008 17:01:07 +0000

[...] I have been looking for a way to enabling network inside virtualbox so that I can access it from anywhere thus being able to run various services inside virtual environment , trying out anything without any worries. … Original post [...]