From: Enrique Hernandez (enrique.hernandez@telindus.es)
Date: Mon Oct 07 2002 - 13:41:38 GMT-3
Hi Tim,
I think you can summarize a litle bit more because there are three more
matched bits regarding the two subnets.
In my opinion it would be like this:
130.10.32.0 255.255.255.224
Regards,
Enrique Hernandez
Network Engineer
Technical Department
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Secure connectivity & mobility
> -----Mensaje original-----
> De: Tim Medley [SMTP:tim.medley@ireadyworld.com]
> Enviado el: lunes, 07 de octubre de 2002 18:17
> Para: Ccielab
> Asunto: Route summarization with class C's
>
> I'm having a couple of issues with summarizing some class C subnets. I
> was thinking that the matching bits needed to be in the same subnet
> class. I think I have this worked out correctly but I need someone to
> verify for me.
>
>
> 130.10.32.0 /28
> 130.10.32.16 /28
>
> If I convert to binary I get:
>
> 10000010.00001010.00101010.00000000
>
> 10000010.00001010.00101010.00010000
>
> To right most matching significant bits are:
>
> 10000010.00001010.00101010.00000000
>
> 10000010.00001010.00101010.00010000
>
> So my summary route would be 130.10.32.0 255.255.254.0
>
> Is this correct?
>
>
>
>
>
> Example 2
>
> 130.10.42.0 /26
> 130.10.42.64 /26
>
> Tim Medley, CCNP+Voice, CCDP, CWNA
> Sr. Network Architect
> VoIP Group
> iReadyWorld
>
> p 704.943.3615
> f 704.588.2826
>
>
>>>
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