From: Scott Morris (swm@emanon.com)
Date: Fri Jul 01 2005 - 11:29:35 GMT-3
No worries. That's why we're all here. :)
Scott
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
22Cent@gmail.com
Sent: Friday, July 01, 2005 9:00 AM
To: swm@emanon.com; Group Study
Subject: Re: wildcard access-list question
Hi Scott,
As i mentioned before, my skull is thick...but i do now fully understand the
concept. Thanks for taking the time out to explain it to me.
Ray
On 7/1/05, Scott Morris <swm@emanon.com> wrote:
> Nope.
>
> You're going backwards in your numbers anyway...
>
> Starting point = 172.70.32.0
>
> 172 70 32 0
> 10101100 01000110 00100000 00000000 = Starting point
> in binary
>
===========================================================================
> 00000000 00000000 00011111 11111111 = Mask in binary
>
> 10101100 01000110 001xxxxx xxxxxxxx = Result for
what
> is or is not permitted.
>
> Now start plugging some of the values into the third octet (in binary)
> and make sure that the first three bits are "001" and never change.
>
> Scott
>
>
> -----Original Message-----
> From: 22Cent@gmail.com [mailto:22cent@gmail.com]
> Sent: Thursday, June 30, 2005 11:47 PM
> To: swm@emanon.com
> Cc: Group Study
> Subject: Re: wildcard access-list question
>
> Excuse my thick skull.
> Would it be fair to say that is access-list is permitting the
> following range of networks?
>
> 10.70.128.0 - 10.70.32.255
> thanks
>
>
> On 6/30/05, Scott Morris <swm@emanon.com> wrote:
> > Binary.
> >
> > Anyplace there's a '1' in the ACL, you don't care the value.
> >
> > 31 = 00011111
> >
> > So the first three bits in that octet don't change, anything else
> > you don't care.
> >
> > Windows calculator may help you out in this endeavor, otherwise,
> > pencil and paper are a great place to get started!
> >
> > Scott
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> > Of 22Cent@gmail.com
> > Sent: Thursday, June 30, 2005 11:05 PM
> > To: Group Study
> > Subject: wildcard access-list question
> >
> > Hi Group,
> > How do i determine which networks are permitted in the following
> > access-list ?
> >
> > access-list 22 permit 10.70.32.0 0.0.31.255
> >
> > Any help would be great. TIA
> >
> > Ray
> >
> > ____________________________________________________________________
> > __ _ Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
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