[K12OSN] Need help integrating LTSP Server into school network
Micha Silver
micha at arava.co.il
Fri Feb 1 11:21:34 UTC 2008
Sudev Barar wrote:
> On 01/02/2008, Micha Silver <micha at arava.co.il> wrote:
>
>> I think that's a routeable address. There are internet sites with "real"
>> address in the range 172.168.x.x that you won't be able to reach if your
>> internal LAN has those addresses.
>> You might do better to choose a subnet in the range 172.16.x.x - 172.31.x.x
>>
>
> AFAIK this is local subnet range as is 10...
>
If I'm not mistaken, Devry chose 172.168.x.x as his subnet. That's not a
local subnet range.
From rfc1918:
3. Private Address Space
The Internet Assigned Numbers Authority (IANA) has reserved the
following three blocks of the IP address space for private internets:
10.0.0.0 - 10.255.255.255 (10/8 prefix)
172.16.0.0 - 172.31.255.255 (172.16/12 prefix)
192.168.0.0 - 192.168.255.255 (192.168/16 prefix)
We will refer to the first block as "24-bit block", the second as
"20-bit block", and to the third as "16-bit" block. Note that (in
pre-CIDR notation) the first block is nothing but a single class A
network number, while the second block is a set of 16 contiguous
class B network numbers, and third block is a set of 256 contiguous
class C network numbers.
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