What is the difference between Classless and Classful ?
"McCallum, Robert" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
.uk...
>
> ip subnet zero is required when you want to use subnet zero i.e.
192.168.0.1
> with a subnet mask of 255.255.255.0 is the zero subnet and can only be
used
> when you have ip subnet zero command. ip classless is another for
routing,
> with this if a packet comes in for a destination which is not exactly
known
> then it is dropped without the command ip classless on. With it on the
same
> packet will go to the "nearest matching route".
>
> -----Original Message-----
> From: Bill [mailto:[EMAIL PROTECTED]]
> Sent: 18 March 2001 05:22
> To: Cisco Group Study
> Subject: classless behaviour
>
>
> Hi,
>
> To configure classless behaviour, we use "ip subnet-zero" and "ip
> classless".
> I never understand them, even after reading Doyle's bible.
>
> * When do we need them ?
> * If we don't use them, what will happen ?
> * Is there good example to show their effect ?
>
> Thank you in advance.
>
> Bill
>
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