I found cause of the problem!
-----------------------------
It turns out that another connectivity configuration screwed up the
connection from my virtual machine!

Here goes:
Some time ago I wanted to share my Win7 VPN connection to the
Raspberry Pi target for my Lazarus development when I worked on the
Pi. The reason is the same as for the Linux virtual machine: to reach
the company software version control server on the internal company
network.
The only way I could figure this out was to set up my Win7 as a WiFi
hotspot and configure the VPN channel as shared to the WiFi access
point network.
The sharing was configured on the VPN connectoid targeting the AP
network.

Then whenever the Pi connected to the WiFi AP served by my Win7 laptop
it would get access to the VPN network. Since the Pi also had an
Ethernet wired connection I had to set up the route for 10.0.0.0 on
the Pi to target the wlan0 network rather than the eth0 network. For
this I created a shellscript that runs by cron every minute and checks
the connection status and route table.
With this I could connect to the VPN network (10.0.0.x) from the Pi
via WiFi and everything else via eth0.

On the Win7 laptop I have a batch script that enables the WiFi access
point when needed. So I believed that this would make the connection
depend on my WiFi AP state.
But it seems like the very fact that "Internet Sharing" is enabled on
the VPN connectoid towards the Access Point network excludes it from
everything else including the VMWare NAT network...

As soon as I removed the Internet sharing setting on the VPN
connection I could start pinging VPN from the Linux Mint virtual
machine when VPN is connected.

So now I have created a second copy of the VPN connectoid (different
name) where the sharing towards the Access point is enabled.
When I need the RPi to have access I connect to VPN using this
connectoid and start the access point.
Otherwise I have the AP shut down and the original VPN connection
(without sharing) active, and now the virtual machine gets a route
into VPN.

Rather convolved but actually working.

PS:
I tried to share the VPN connection to the Ethernet network on my Win7
laptop. The plan was for the other computers on my network (RPi units
as well as my wife's laptop) to get access via a route to my laptop
for that network.
However, that fell flat on its face because when I did that my
Ethernet networking on the PC stopped working. Could not reach local
resources on my internal network anymore....
DS

-- 
Bo Berglund
Developer in Sweden

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