Okay, this is a pretty long post, but hopefully it captures what you need to create a virtual router in VirtualBox. Some of the websites I have linked here make it seem so simple, but there is a little more to it and I have tried to capture what you need here. I also included the links I used so you can refer to them if you run into any challenges.
Download dd-wrt for x86 platform and prepare the image/disk file:
Download dd-wrt for x86 platform and prepare the image/disk file:
Download the dd-wrt file.
The file can be down loaded from this site. http://www.dd-wrt.com/site/support/router-database
Type ‘x86’ in the search box. Select x86
and then the link labeled ‘DD-WRT X86 Public Vga: Console image’.
Convert the image file to a VM disk by executing the
following command in the command prompt window.
cmd> "C:\Program Files\Oracle\VirtualBox\vboxmanage.exe"
convertdd dd-wrt_public_vga.image dd-wrt.vmdk
Resized the disk. http://www.dd-wrt.com/phpBB2/viewtopic.php?t=76456
Otherwise it will be stuck at 10MB and
may not save your settings.
cmd> "C:\Program
Files\Oracle\VirtualBox\VBoxManage.exe" modifyhd --resize 1024
"dd-wrt-x86.vmdk"
Some forums suggest the image needs
to be natively installed to the VM. http://www.dd-wrt.com/phpBB2/viewtopic.php?t=81836
Create a new
virtual machine in VirtualBox:
Set the following specifications.
Operating System: Linux
Version: Other Linux (32-bit)
Storage: Choose existing disk: dd-wrt.vmdk
Audio: Clear the checkbox ‘Enable Audio’
Network>Adapter 1: Select PCnet-FAST III as the Adapter
Type (under Advanced)
Depending on your desired network
configuration, select the appropriate ‘Attached to:’. I want to create a connection with my home
network so I selected ‘Bridged Adapter’ and my computer’s WiFi adapter (which
is how my computer connects to my home network).
Network>Adapter 2: Enable the adapter and again select
PCnet-FAST III as the Adapter Type. Select internal network.
I had trouble with the default
Intel PRO/1000 MT Desktop where eth0 and eth1 were not being recognized. The posting from JimmyPage on this thread http://www.dd-wrt.com/phpBB2/viewtopic.php?p=690980
was helpful.
Configure the virtual router:
Turn on DD-WRT VM when the text stops hit enter and log in.
User: root
Password: admin
At the command prompt enter ‘ifconfig br0 192.168.2.1’ to
change the IP address to avoid conflicts with your physical network (assuming
it is on 192.168.1.X, which mine was).
Using a separate VM computer, set the network adapter to 'Internal Network'. Turn on the VM computer. Manually set the IP address to 192.168.2.2. Open a browser in the VM computer and enter 192.168.2.1 to
access the DD-WRT webGUI. Change the
username and password and login. Go to
the ‘Setup’ tab and update the following fields (use values appropriate for your network).
WAN Setup
Connection Type: Static IP
WAN IP Address 192.168.1.3
Subnet Mask 255.255.255.0
Gateway 192.168.1.1
DNS 192.168.1.1
Network Setup
Local IP Address 192.168.2.1
Subnet Mask 255.255.255.0
I left the rest of the values on the setup tab as the
default. Click 'Save', then click 'Apply Settings'. The router should now handout IP addresses to your VMs.
The following are additional links I referenced.
This youtube video is pretty helpful and walks through
similar steps to those above.
The following links provide an overview of the steps.
DD-WRT was originally designed for the Linksys WRT54G series, but now runs on a variety of routers. DD-WRT is a Linux-based firmware for wireless routers and access points. Originally designed for the Linksys WRT54G series, it now runs on a wide variety of models. best dd-wrt router
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