[Gllug] DHCP & DNS

[Leigh Mason]

hold on, i thought it was one of the  rfcs that stated, when using class A
addresses the first bit must always be off, class b must always start
10xxxxxx and class c is 110xxxxx. any address that starts from 192 - 223 is
a class c. 
and i think the rfcs also state default subnet masks to be used for each
address, therefor 192.168.0.0/16 is not a default subnet, you have borrowed
hosts bits to create a new subnet - why bother?

leigh ;)


> From: David Damerell <damerell at chiark.greenend.org.uk>
> Reply-To: gllug at linux.co.uk
> Date: Fri, 7 Dec 2001 09:47:21 +0000 (GMT)
> To: gllug at linux.co.uk
> Subject: Re: [Gllug] DHCP & DNS
> 
> On Thursday, 6 Dec 2001, Leigh Mason wrote:
>> why not use a 192.168.0.0/24. (192.168.0.1 - 254) This is a class C address
>> reserved for private networks and is much easier to keep track of host
>> addresses. (254) possible hosts.
> 
> No! Not 192.168.0.0/24! Pick a _random_ subnet of 192.168.0.0/16 or
> the reserved class Bs specified in RFC 1918. Does no-one actually read
> any standards anymore?
> 
> -- 
> David Damerell <damerell at chiark.greenend.org.uk> flcl?
> 
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