Hiding a network interface.

[Bruno Wolff III]

On Sat, Feb 16, 2008 at 02:15:45 +0530,
  "Vivek J. Patankar" <vivek.patankar at gmail.com> wrote:
> Styma, Robert E (Robert) wrote:
> >For reasons which are long and complicated, I need
> >to hide a NIC interface.  The test machine is a
> >box with 2 Nic interfaces on the motherboard and
> >a strange PCI card with 2 more interfaces.  They
> >appear as eth0, eth1, eth2, and eth3.  I need
> >to make eth3 not be there. (Not allowed to use
> >a soldering iron :-)  ).
> 
> If it's just a matter of not starting up at boot change the value of 
> 'ONBOOT' in /etc/sysconfig/network-scripts/ifcfg-eth3 to 'no'. This way 
> you are not permanently disabling the device, just switching it off. You 
> won't see it in ifconfig.

That won't hide it from 'ip'. It might help to have a better idea of what the
original poster was trying to accomplish by hiding the network card, in
particular who or what was it supposed to be hidden from.