Network off a network, but not a subnet mask

Nils Kassube kassube at
Sun Mar 23 21:19:19 UTC 2008

Stephen Constantinou wrote:
> My Virgin Media cable modem connects to an ethernet card (red) of a
> Smoothwall Firewall.  It is therefore a router.  The second ethernet
> (green) card connects to a switch off of which is a PC (Dell dual boot
> mandriva/XP), a HP printer and a second (wireless) router.  That second
> router connects wirelessly to a laptop (Kubuntu).  There is reason for
> this complicated set up.

So far it doesn't look complicated :)

> The IP range for the Soothwall network is 192.168.1.x.  The PC is
> static on, the printer is on and the router
> connects to this network on  The range for the router is
> 192.168.2.x and the laptop connects wirelessly on
> The printer is accessible from the laptop and I can print OK.
> When the Dell is booted into XP I want to be able to do two things
> 1) see the XP file system from the Kubuntu laptop.

If you can use the printer, you should also see the XP machine. Can you 
ping that machine? Maybe you need to enable ping replies on XP before you 
get a reply. And did you enable file sharing on XP? Furthermore, did you 
somehow enable access on your possibly installed XP firewall? Then please 
keep in mind, that the Linux machine uses the *.1.175 address of the 
wireless router, not *.2.4 address.


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