Question

Bridge Networking, VMWare

Asked by: Harry_Truman

As a class assignment, I was instructed to design and maintain a company throughout my Active Directory course.  I am using VMWare to run Windows Server 2003 Enterprise on one of the campus computers, and I am trying to figure out if there's a way to assign my own address for the virtual machine (for my "company", one that the campus networks obviously wouldn't assign/recognize), but still be able to have internet access on the machine.  As you can probably guess, the machine itself has a DHCP assigned address that allows internet access, but for my virtual machine I have a class B subnetted address for my company.

Is there any way this can be done?

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Asked On
2005-10-27 at 15:37:58ID21610924
Tags

vmware

,

bridge

Topics

Miscellaneous Networking

,

Tivoli Storage Manager

,

Network Switches & Hubs

Participating Experts
2
Points
250
Comments
5

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Answers

 

by: 0xSaPx0Posted on 2005-10-27 at 15:45:16ID: 15175386

Yes and no, the idea is that there is a virtual bridge between the adapter in the VMware session and the adapter on the host PC. This allows you to assign the VMWare adapter an IP that is on the same subnet as the actual adapter and have network communication. The problem is that if you assign it an address that is not on the same subnet there will be no communication. What you can do is setup your server and an Internet connection Sharing gateway if it has two network adapters, I believe you can even add a "fake" adapter to be the local adapter.

So you have
Adapter 1 : - Address in same scope as DHCP range - Server gateway eg: 192.168.10.25
Adapter 2 : - Address in your virtual class b network eg : 10.1.1.1

Now you setup ICS on your server to allow clients to set their gateway to 10.1.1.1 and have an ip in 10.1.1.2 - 10.1.1.254. the server will do the routing of packets through both NICs and out 192.168.10.25 and perform NAT as necessary.

Good Luck.

- SaP -

 

by: GnartPosted on 2005-10-27 at 21:34:37ID: 15176584

Here is how I do it on my VMWare environment.....

1. Add a second adapter to the Guest
2. One of the adapter will be configured as Bridged network connection - TCP/IP properties as "Obtain an IP automatically" (DHCP)
-- This adapter will get an IP address from the college campus with all the DNS and routing information.
-- Set the TCP/IP configure proxy server address if the college has one - the proxy information is the same as your host OS
-- This adapter will get your guest virtual machine to the Internet just as your host does - just a bit slower
3. The second adapter will be configured as VMNet2 - VMNet8 (your choice)
-- You can run your own DHCP for the second adapter OR
-- By setting the network address & DHCP using VMWare (editing | virtual network settings | Host virtual Network settings)
-- This adapter will be your virtual company network......

Here is an example of what I am running:

1. Your host / WinXP - W2K3 or whatever you have / running VMWare
------ 2. Guest W2K3 Enterprise / host = Instructor01 / domain = contoso.com
------------ Ethernet 1 - Bridged to host adapter - DHCP
------------ Ethernet 2 - VMNet2 - 10.1.1.200 (Static)
------ 3. Guest W2K3 Enterprise / host = Student01 / domain = atlanta.contoso.com
------------ Ethernet 1 - VMNet2 - 10.1.1.1 (or DHCP)
------------ Ethernet 2 - VMNet3 - 192.168.3.1 (or DHCP) / to another network
------ 4. Guest W2K3 Enterprise / host = Student02 / domain = atlanta.contoso.com
------------ Ethernet 1 - VMNet2 - 10.1.1.2 (or DHCP)
------------ Ethernet 2 - VMNet3 - 192.168.3.2 (or DHCP) / to another network
------ 5. Guest W2K3 Enterprise / host = Litware / domain = Litware.com
------------ Ethernet 3 - VMNet3 - 192.168.3.3

You may recognize the lab setup - I teach MCSE URL:http://academic.pgcc.edu/~tnguyen

cheers

 

by: GnartPosted on 2005-11-30 at 16:33:39ID: 15393038

Hi Harry_Truman,

Have we provided you with the answer?

20120131-EE-VQP-002

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