[ltp] Re: Linux Mandrake 9.1

Olu linux-thinkpad@linux-thinkpad.org
Mon, 31 Mar 2003 12:58:27 -0500


I downloaded the Vmware 4.0 beta for windows and installed a linux guest
but I can not connect to the internet at all. I have changed the Network
mode but still unable to connect. 

-----Original Message-----
From: linux-thinkpad-admin@linux-thinkpad.org
[mailto:linux-thinkpad-admin@linux-thinkpad.org] On Behalf Of Ross
Patterson
Sent: Sunday, March 30, 2003 5:51 PM
To: linux-thinkpad@linux-thinkpad.org
Subject: Re: [ltp] Re: Linux Mandrake 9.1

On Friday 28 March 2003 02:07 pm, Tod Harter wrote:
> What version of VMWare and what 'networking' options did you choose?
>
> VMWare as of 4.x (which is still alpha software) has 3 modes of
networking,
> host-only, NAT, and Bridged. Older versions lacked the 'NAT' mode 

VMware 3.x has NAT networks too, and it has the benefit of being GA
software 
:-)

> (though
> you could get the same effect by using host-only, honestly there seems
to
> be no difference between the 2).

Host-only networks don't allow the OS in the virtual machine (aka
"guest") to 
communicate with the world outside the hosting Linux machine.  If you
choose 
your network adresses carefully and can control routing sufficiently,
you can 
get past this problem.  NAT networks work exactly like they do anywhere
else, 
like at home with a cable modem and a NATing firewall - the guest OS
vanishes 
behind the NAT "box".

> In bridged mode the virtual ethernet card shows up on the REAL LAN
with its
> own IP number (I presume VMWare's kernel module must do some MAC
> address/ARP wizardry to accomplish that).

In other words, VMware acts like an Ethernet bridge, passing packets
between 
the outside and bridged networks transparently.
-- 
Ross A. Patterson
Chief Technology Officer
CatchFIRE Systems, Inc.
5885 Trinity Parkway, Suite 220
Centreville, VA  20120
(703) 563-4164


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