Re: [Sheflug] Class B or C?

[fred <nospam [at] northtrafford.ac.uk>]

To All.

take a look at the below website, the link is obtained from CISCO CCNA
North Trafford College, Talbot Road, Manchester

http://www.ralphb.net/IPSubnet/

move down to address class A/ B/ C/
hope it,s of some use

fred

Chris J/#6 wrote:

> > >
> > > The entire 192.168.0.0/16 network is the class C private network, so yes you
> >
> > historically a "class C" C network is /24 and a /16 network is "class B"
> > and sometimes these are used as such - but in the CIDR world classes don't
> > make a lot of sense.
>
> I wasn't very clear...apologies. 192.168.0.0/24 -> 192.168.255.0/24 is the
> range and yes it is all class C...I specified it as /16 simply 'cos it was
> quicker and shorter and meant the same thing :)
>
> >
> > > should split it into a 24-bit netmask and 8-bit hostmask so that you have 256
> > > networks 192.168.0.0/24 -> 192.168.255.0/24 (however 192.168.255.0/24 would
> > > be reserved giving 255 useable networks).
> >
> > Always been intrigued by this. Heard it before. But do you actually know
> > the reason why some people don't recommend not using 192.168.255.0/24 ?
>
> Umm...it's just one of these things I've picked up, which may or may not be
> correct (I've never checked), though putting thought into it there is no
> reason why it couldn't be used. The only reason I can see for avoiding it is
> to avoid confusion that could arise when talking about broadcast addresses
> (eg, 192.168.255.255 ... without the netmask you don't know if its a
> broadcast for the 192.168.255.0/24 net or 192.168.0.0/16 net).
>
> Chris...
>
> --
> Chris Johnson            \  "If not for me then, do it for yourself. If not
> sixie [at] nccnet.co.uk        \  for then do it for the world." -- Stevie Nicks
> www.nccnet.co.uk/~sixie/   ~---------------------------------------+
> Redclaw chat - http://redclaw.org.uk - telnet redclaw.org.uk 2000   \______
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