[X-Newbies] IP addresses

[Raoul Armfield]

Chris Walker wrote:
> Hi Vincent: 
> 
> I'll check out the range in the manual.  I *think* that it specifies a
> start address  and a pool count, which would give the range.
> 
> 
>>It absolutely does not matter 
>>as long as everything that expects to "see" each other within the 
>>home uses the same subnetting. 
> 
> Ok. Pardon me for being dim (it is a newbies forum) but is (say) x.x.0.5
> on the same subnet as (say) x.x.1.11.  I would have thought not, as the
> third number, 0 and 1 would put them on different subnets.  

It really depends on what x.x is equal to.  For instance if x.x is equal 
  to 10.0. then yes both 0.5 and 1.11 are on the same subnet.  this is 
because it is a class A address where only 10. is the network address 
everything else is the host address.  The same is true if x.x is equal 
to 172.16 because that is a Class B and the network address is 
determined by the first two octets.  They would be on different subnets 
if x.x was 192.168 because now it is a class C and the network address 
is determined by the first three octets.

Of course this is all assuming a subnet mask of 255.0.0.0 for the first 
255.255.0.0 for the second and 255.255.255.0 for the third.  You can 
read up on TCPIP to get a clearer understanding of all of this.

> 
> Chris
> 
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-- 
Raoul Armfield
Support Specialist
IT-Call Center
armfield at amnh dot org
American Museum of Natural History
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