[CentOS] unable to add IP address to eth0:0 eth0:1 etc

> Dear Ray,
>
> Please assure me that:
>
> /sbin/ifconfig eth0:0 xx.xx.xx.10 netmask 255.255.255.0
> <http://255.255.255.0/>
>
> Is this the valid netmask " 255.255.255.0 <http://255.255.255.0>" for
> static IP address for this machine
> you mentioned????
>
> it will be "ifconfig eth0:0 xxxxx netmask 255.255.255.255
> <http://255.255.255.255> "
>
> Regards,
>
> Umair Shakil
> ETD
>
<snip>

Absolutely, that is the correct netmask.  It is a /24