terry wrote:
  <Internet>-----<firewall>-----<HUB>--------internal network
                                  |           (192.168.1.x)
                             <firewall-2>
                                  |
                                <HUB>
                                  |
                           <guest network>
                           (192.168.2.x)
  										
firewall-2 = Router or, [preferably], IpCop, Linux Firewall
See: http://www.ipcop.org/cgi-bin/twiki/view/IPCop/WebHome
-- 
but test everything; hold fast what is good,
1 Thessalonians 5:21