On Sat, 21 Mar 1998, Steve Stuart wrote:
> Is is possible to assign two ip addresses (say 44.70.161.1 and
> 192.168.28.1) to a single ethernet network interface card??
Yes. You must compile multiple IP support into the kernel. I don't
believe it is present in RH5's default kernel, but it might be. There are
two config options. The first is for virtual address support in general,
and the second is for specific virtual IP support. You must activate
both.
> If so, can I then use the linux box to route between these two networks?
> (They both exist on the same physical ethernet cable)
Yes. The standard routing functions will suffice for this. You will have
to enable IP forwarding (which you may as well do in the kernel at compile
time since you have to rebuild it anyway). Maybe you would want 'optimize
as router not host' and 'always defragment' as well, but only if you are
functioning exclusively (or primarily) as a router. If you are mostly a
host or fileserver that happens to route also, then do not do this.
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