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My favorite technique is to ifconfig eth0:0 or whatever to a virtual
number, with the -arp flag.
This works great on 2.0.36, not sure about the 2.2.x kernels.
We have successfully used 2.0.36-vs (direct routing method), but
it does fail at extremely high loads. Seems like a cumulative effect,
after about a billion or so packets forwarded. Some kind of kernel memory
leak, I'd guess.
Jerry Black
RealNetworks
On Thu, 27 May 1999, Joseph Mack wrote:
>
> > Rule 2:
> > Avoid using lo:0 alias, not even on real servers.
> > Use tunl0 or some other simulated interface
> > on real servers instead.
>
> I was thinking about this last night. Is it possible to
> make a new interface device (say "virt") with the required
> properties and which will be recognised by ifconfig, netstat etc?
>
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