[Xorp-users] Question on supporting multiple routing tables [PATCH]

[Pavlin Radoslavov]

> >> It was working for me when I used the ifp.  What's the difference 
> >> between vifp and ifp?
> > 
> > The name from ifp and vifp should be same in case of UNIX (in most
> > cases).
> > It might be different when we add support for VLANs, and in that
> > case it might be better if vifp is used instead of ifp.
> 
> 
> What about IP aliases, ie adding two IPs to the same interface?

IP aliases go as IP addresses under the vif, but they will still
share the original interface name so this shouldn't be the problem.

> I'm not sure you can BINDTODEVICE on an alias since it is not a real
> interface (in Linux).

True. I think that the fact that "ifconfig" on Linux shows them as
different interfaces (with different names) is confusing, but we
don't do that inside XORP.

Regards,
Pavlin