Re: Class "A" prefix-list

thanks danel ,

but still i need to know exactly what's the difference between 0.0.0.0/1 ge
8 and 0.0.0.0/1 le 32

as i think all class A networks starting from mask 8 and greater , i have
not seen a network with mask less 8

On 1 June 2011 23:35, Daniel Kutchin <daniel_at_kutchin.com> wrote:

> If you just want to match Class A's with 8 bit masks, Class B's with 16 bit
> masks, and class C's with 24 bit masks.
>
> 0.0.0.0/1 ge 8 le 8
> 128.0.0.0/2 ge 16 le 16
> 192.0.0.0/3 ge 24 le 24
>
> If you want to match anything in the individual address spaces for class
> A,B, C
> 0.0.0.0/1 le 32
> 128.0.0.0/2 le 32
> 192.0.0.0/3 le 32
>
>
> Class A- binary first bit 0.
> Class B - binary first two bits 10.
> Class C - binary first three bits 110.
>
> -
> Daniel
>
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> Hammer cisco
> Sent: Mittwoch, 1. Juni 2011 21:38
> To: ccielab_at_groupstudy.com
> Subject: Class "A" prefix-list
>
> Hi experts,
>
> i am a little bit confused about the exact prefix-list we can use to match
> all class A network address routes :
>
> ip prefix-list 0.0.0.0/1 ge 8
>
> or
>
> ip prefix-list 0.0.0.0/1 le 32
>
>
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Received on Wed Jun 01 2011 - 23:45:01 ART