Re: disabling ethernet loopback device completely

[David Mandelberg <mandelbergd@eth0.is-a-geek.org>]

salman h wrote:
> and while it disables the loopback interface, data
> packets are still not being put on the physical
> network.
I don't know if this works, but you might as well give it a shot:

while read dev x; do
 case "$dev" in
  eth*)
   dev="`echo -n "$dev" | sed 's/:.*$//'`"
   ifconfig "$dev" 192.168.0.1 netmask 255.255.255.0 broadcast 192.168.0.255
   ifconfig "$dev":1 192.168.0.2 netmask 255.255.255.0 broadcast 192.168.0.255
   ping 192.168.0.2 -I "$dev"
   # do magic mactab stuff here
   ifconfig "$dev" down
   ifconfig "$dev":1 down
   ;;
  *)
   :
   ;;
 esac
done < /proc/net/dev

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