Joe Duncan wrote:
>
> This is my routing table:
> >Kernel IP routing table
> >Destination Gateway Genmask Flags Metric Ref Use
> Iface
> >real world.0 0.0.0.0 255.255.255.0 U 0 0 844
> eth0
> >192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 2
> eth1
> >127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 4 lo
> >0.0.0.0 my real address 0.0.0.0 UG 1 0 2844
> eth0
>
> >I am running Slackware, so I don't know where exactly you set this stuff
> in
> >RedHat.
> >Other than that, I have the same setting: one PCI NE2000 compatible, one
> ISA
> >card.
> >Works fine for me.
>
> I'm not sure I understand exactly what's going on here. Ok, all
> attempts to access addresses
> on your LAN (the 192.168.1.* addresses) are being routed to eth1, the NIC
> attached to your
> ethernet. This part I understand.
>
> "real world" I'm assuming is the address of your provider's network.
> (So if your IP was
> 208.45.67.32, "real world" would be 208.45.67.*) "my real address" then
> would be the
> real world address with the last number filled in (specifics don't really
> matter). So everything
> going to your ISP network, is routed through eth0, which, I assume, is the
> card attached to your
> ISDN/cable modem/modem etc... that connects you to your ISP. Ok, mine is
> doing the same
> thing.
>
> Now here's the part where I get confused. When you specify a
> destination of 0.0.0.0
> that seems like a very encompassing "wildcard" address to me. It seems like
> you are
> routing *all* traffic through eth0, but using your own machine as a
> gateway?!? Is this a
> default route? Does is override the others or only take access attempts
> that are not routed
> by the other entries? How can you use your own machine as a gateway to the
> internet?
> Please excuse me if I'm way off the mark here, but I'm rather new to Linux
> and I'm trying to
> comprehend exactly what's going on. Thanks again.
Sorry, this was a screwup on my part. The line should say
0.0.0.0 the ISP gateway 0.0.0.0 UG 1 0 2844 eth0
So all traffic that is not going to the local LAN is routed to the gateway at
the ISP.
Hope it helps.
Joe
--
Joachim Feise Microsoft Certified Solution Developer
mailto:[EMAIL PROTECTED] http://www.ics.uci.edu/~jfeise/
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