[CentOS] [SOLVED] IP range

Fri Aug 3 10:20:59 UTC 2012
Birta Levente <blevi.linux at gmail.com>

On 02/08/2012 22:54, John R Pierce wrote:
> On 08/02/12 12:45 PM, Scott Silva wrote:
>> It doesn't work that way... You may think you bought 8 ip's, but you can only
>> pass traffic on 6... That is how it works... You buy 16, and only 14 work. The
>> first and last address are as Johnny said...
> I've also seen DSL networks like this where those extra IPs are bridged
> not routed.  in these cases, you use the same gateway as the 'main' IP,
> but usually the main IP has a /24 or whatever mask that encompasses ALL
> the IPs.
> regardless, the OP should contact the ISP and find out what the mask and
> gateway are for the extra IPs.
It's a bug in centos 6


PREFIX configured in ifcfg-eth0 is overrule the subnet mask in aliases.

Solution: removed PREFIX from ifcfg-eth0

Thanks to all