Re: Second opinion appreciated on ACL's

From: Henrique Reis (reis.henrique@gmail.com)
Date: Wed Nov 07 2007 - 09:09:58 ART

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You need first do AND operation to get the Address and a XOR operation to
get the wildmask as our fiend Shiran done..

On 11/7/07, shiran guez <shiranp3@gmail.com> wrote:
>
> i have the solution the same as the the first your second solution is
> incorrect:
>
> 00110011.00000011.00000000.00000001
> 00110011.00000011.00000000.00001001
> ___________________________________
> 00110011.00000011.00000000.00000001
> 00000000.00000000.00000000.00001000
>
> 51.3.0.1 0.0.0.8
>
>
> 00110011.00000101.00000000.00000001
> 00110011.00000111.00000000.00000001
> 00110011.00000111.00000000.00001001
> ___________________________________
> 00110011.00000101.00000000.00000001
> 00000000.00000010.00000000.00001000
>
> 51.5.0.1 0.2.0.8
>
>
>
>
>
> On Nov 7, 2007 1:00 PM, Simon Grace <SimonG@pcsystems.gr> wrote:
>
> > Hi Guys,
> >
> >
> >
> > Why oh why I get myself tied up into knots over these things I don't
> > know, it's just 1's and 0's
> >
> >
> >
> > The question:
> >
> >
> >
> > Create an ACL to match these hosts and nothing else in as least lines:
> >
> >
> >
> > 51.3.0.1
> >
> > 51.5.0.1
> >
> > 51.7.0.1
> >
> > 51.3.0.9
> >
> > 51.3.0.9
> >
> > 51.7.0.9
> >
> >
> >
> > The solution:
> >
> >
> >
> > access-list 1 deny 51.3.0.1 0.0.0.8
> >
> > access-list 1 deny 51.5.0.1 0.2.0.8
> >
> > access-list 1 permit any
> >
> >
> >
> > my solution
> >
> >
> >
> > access-list 1 deny 51.3.0.1 0.4.0.8
> >
> > access-list 1 deny 51.5.0.1 0.0.0.8
> >
> > access-list 1 permit any
> >
> >
> >
> > Now I believe that they both have the same effect, would someone care to
> > back me up on this.
> >
> >
> >
> > Thanks,
> >
> > Simon.
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
> >
>
>
>
> --
> Shiran Guez
> MCSE CCNP NCE1
> http://cciep3.blogspot.com
> http://www.linkedin.com/in/cciep3
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

• Next message: omair naim: "RE: KEY Management for authentication process"
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• Maybe in reply to: Simon Grace: "Second opinion appreciated on ACL's"
• Next in thread: hadek.el-ayachi@nsn.com: "RE: Second opinion appreciated on ACL's"
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