On Tue, Feb 13, 2001 at 11:27:49PM +0000, Andrew Morton wrote:
> Rick Richardson wrote:
> >
> > I saw the thread/argument on a 2.0.36 patch so that you could do
> > external ethernet loopback with a crossover cable using crossed route
> > entries. The thread was dated 03/29/1999. Apparently, the patch was
> > rejected by Alan Cox.
> >
> > Well, it turns out I'm just beating my head against this same wall.
> > But using kernel 2.4.0. Can't seem to get crossed routing with an
> > external loopback to work. I need this for a big simulation project I
> > am working on.
> >
> > Any idea if 2.4.0 supports crossed routing between two ethernet ports
> > out of the box? If not, is there a patch yet for 2.4.0?
>
> I bet you can do it with policy routing. Send us a little
> ASCII network diagram.
+----------------------+
| |
| +------------------+|
| | eth0 192.168.1.1 |----------+
| +------------------+| |
| | | crossover cable
| +------------------+| |
| | eth1 192.168.2.1 |----------+
| +------------------+|
| |
| PC with two I/F's |
+----------------------+
A "ping 192.168.2.1" should go out the top port (eth0), over the
crossover cable, and back in to the lower port (eth1).
I tried these crossed route entries that I could not get to work...
# route add -host 192.168.2.1 eth0
# route add -host 192.168.1.1 eth1
-Rick
--
Rick Richardson rick@xxxxxxxxxxxxxxx http://home.mn.rr.com/richardsons/
Genetic manipulation will lead to swimmers born with flipper feet. Hows
the IOC gonna stop that?
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