> -----Original Message----- > From: Hazael Maldonado Torres [mailto:fedora@xxxxxxxxxxxxxxx] > Sent: Saturday, 10 April 2004 10:44 > To: fedora-list@xxxxxxxxxx > Subject: FC1 and Win XP using cross-over cable > > > Hi guys. > > I am trying to connect my FC box to Internet trought a laptop > running XP > Pro using a crossover ethernet cable. My laptop is coneccted > to Internet > by a USB wireless adapter, but it looks like Fedora do not get a IP > address and do not establish connection with the laptop. The only way this will happen is if you manually configure IPs. The Internet sees only the IP address on your Laptop pseudo TCP/IP interface associated with the USB interface. See below for solutions... > > When FC starts it take a lot of time in the ethernet config steps and > when it finished it says FAILED. > > As far as I know it is ok to connect the two boxes with a > cross cable, > but I am new in Linux and I am not quite sure of this. > > Thanks > > Hazael; Your problem is not operating system dependant, but rather just a matter of understanding the networking. Without understanding how you obtain access to the Internet, it is more difficult to explain fully, however here goes.. Assuming your Laptop is allocated a "real Internet Address" (not a private network address), then that allows only that PC to access the Internet, since the address belongs to it. The Ethernet connection on your laptop is just another network connection that can be used to communicate (in this case) from your Fedora host to your laptop. It is invisible to the Internet, just as the Internet is invisible to the Ethernet interface. While both Windows and Linux operating systems are capable of routing, you cannot route, successfully in this case, unless you are routing to a "real Internet Address" allocated by the service provider (who allocates the IP to your USB pseudo IP interface). This is the only way that routing on the Internet will know how to reach your IP. Usually this is not possible unless you have been allocated a group of IPs and you subnet them into two networks. This is unlikely, so your best solution is to set up a "Private Network" using private IP Addresses between your tow machines (yes a crossover cable is just as good as a Hub for two machines). Now you just need either "Proxy applications for each Intenet service (eg. telnet, web, smtp, pop3, etc.)" on the Laptop for your Fedora machine to talk with. The proxy application then talks to the Internet on behalf of machines on the private network. Alternately you need a routing application that can do NAT (also often referred to as "Masquerading" (Routing and Network Address Translation). Lookup the "How To" for IP Tables for an axplanation of how this works. As IP Tables can do NAT (as well as firewall), you would be better with the Fedora box connected to the Internet and connect the Laptop to it. Otherwise a program like WinRoute for your Window$ box. Unfortunately this will cost $$, as with most things for Window$. Hope this helps. David Hunt
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