[CentOS] network interface

> Hi all
>
> How can I bring up eth0:2 only
>
> "ifconfig eth0:2 up" is not working
>
> I have to use service network restart
>
> But it restarts all network interfaces that I don't
> want

I believe you have to have eth0 up for that to work.  You can add 
"ONPARENT=no" to the other virtual interfaces to keep them from starting 
on a service network restart.