Internal local ip address for host only

Arthur Chance freebsd at
Sat Jan 2 14:37:16 UTC 2016

On 02/01/2016 09:28, Artem Kuchin wrote:
> I have a didicated server inside provider's network.
> I have igb0 interface
> Now, i need some 10.0.0.x ups for jails, so i configure aliases on igb0
> interface
>          inet netmask 0xffffffff broadcast
>          inet netmask 0xffffffff broadcast
>          inet netmask 0xffffffff broadcast
> But this is wrong, because there can be another server with the same ips
> in the local network and
> in fact during boot i get
> Jan  1 16:37:41 omni kernel: arp: 00:25:90:47:4f:9c is using my IP
> address on igb0!
> So, how i can i make perfectly virtual nic visible only inside my host?

Create a new loopback device:

ifconfig lo1 create

or to make it happen at boot time, add


to /etc/rc.conf

Moore's Law of Mad Science: Every eighteen months, the minimum IQ
necessary to destroy the world drops by one point.

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