Nicholas Dronen wrote: > > On Wed, Jun 27, 2001 at 04:51:41PM -0400, Sylvain Ouellet wrote: > > Hi, > > I have 2 configured interfaces, let's say 192.168.1.1 and 192.168.2.1, is > > there any way I can force Linux (2.4) to send packets with destination > > address 192.168.2.1 (the address of the second interface) on the first > > interface ? I tried to change routes but it does not work. Packets are sent > > through the loopback interface instead .. > > The kernel knows the addresses of the machine's local interfaces. > When it sees that a packet is destined for a local interface, it > simply puts the packet on the local loopback interface's input > queue. There's no reason to bother the NIC with a packet that's > has no place on the wire. That's the rationale. > > It *might* be possible to do this with netfilter, but I can > easily imagine it not working for you. What's your goal, > anyway? I can't speak for the original poster, but this sort of thing would be quite handy for testing network cards and drivers w/o requiring multiple machines. In the past, I've run short of machines (or funding to purchase machines) and wished that I could do the above so as to avoid schedule delays. -- Noah Romer Driver Developer, CM gopher and Linux Whipping Boy Storage Components Firmware LSI Logic Corp. - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org
