Re: Help with mask conversion OSPF

Hi Dennis.
your area A.B.C.D, you can use this formula: D + Cx2^8 + Bx2^16 + Ax2^24.
Cheer.
But Nguyen.

On Sun, Jul 26, 2009 at 11:51 AM, Joe Astorino <jastorino_at_ipexpert.com>wrote:

> Hey dennis,
>
> It is just a binary coversion. Starting from the left: the 1 in decimal
> translates to 00000001 in binary. The next octet would also be 00000001. So
> you have
> 00000001 00000001 as a 16 bit number. Now conver that to decimal and you
> have 257
>
>
> ------Original Message------
> From: Dennis Worth
> Sender: nobody_at_groupstudy.com
> To: CCIE Groupstudy
> ReplyTo: Dennis Worth
> Subject: Help with mask conversion OSPF
> Sent: Jul 26, 2009 12:29 AM
>
> Hey group,
> Can someone explain how the mask conversion for say area 0.0.1.1 = 257? I
> must be not seeing it.
>
> Thanks
>
> --
> Dennis Worth
>
>
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Received on Sun Jul 26 2009 - 12:30:02 ART