[CentOS] [SOLVED] IP range

[Dennis Jacobfeuerborn]

On 08/03/2012 12:20 PM, Birta Levente wrote:
> 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
> 
> http://bugs.centos.org/view.php?id=5391
> 
> PREFIX configured in ifcfg-eth0 is overrule the subnet mask in aliases.
> 
> Solution: removed PREFIX from ifcfg-eth0
> 

I'm not surprised and I'm really beginning to develop an abject hate for
all things networking in Fedora/RHEL land. I's kludges upon kludges to
accommodate new ways of doing things while keeping backwards compatibility
within a framework of stitched together shell scripts.

Regards,
  Dennis