Hi guys,
just would like to add a point here :
CIDR ( Classless Inter Domain Routing ) has an important advantage that it allows
aggregation of
consecutive subnets thus making routing tables much smaller ....
hope this helps
Magdy Louis
>From: "Dave Gillett" <[EMAIL PROTECTED]>
>To: Jules <[EMAIL PROTECTED]>
>Subject: Re: IP significant bit addresses
>On 9 Jun 99, at 19:12, Jules wrote:
>
>> This is a newbie question, I've checked almost every resource available to
>> me, but I still don't really grasp this concept, so if anyone can clarify
>> it for me, I'd be grateful.
>>
>> How does one read addresses like 172.168.10/24 or 172.16.51.50/32 ?
>>
>> In particular, what does the slash signify what does it do in the above
>> case(s).
>
> This is the "CIDR" format for subnet specification. Instead of a separate
>subnet mask in dotted notation, the number after the slash indicates the
>number of high-order "on" bits in the subnet mask. So "/24" corresponds to
>255.255.255.0 and "/32" to 255.255.255.255.
> This notation is more compact, and it's easier to write the masks for
>subnet addresses that don't fall on octet/class (the "C" in CIDR stands for
>"Classless") boundaries.
>
>
>David G
>-
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