From: Venkatesh Palani (kvpalani@gmail.com)
Date: Wed Feb 15 2006 - 20:17:51 GMT-3
Hi Rene,
Thanks But
acc 10 perm 218.18.0.0 0.0.254.0 (Even)
acc 10 perm 218.18.1.0 0.0.254.0 (Odd)
would only allow summary routes not the individual routes, it depends on
what you wan. still my method will help you to separte the routes based on
Third octect and also will also allow all the subnets in that range
satisfying that condition :-)
HTH,
Venkatesh
On 2/16/06, Huizinga, Rene <rhuizinga@upcbroadband.com> wrote:
>
> Hi Venkatesh,
>
>
> Sorry, but I don't believe you're correct. They're asking here to use the
> 3rd octect as seperator...I read that as the third only, so the correct 2
> ACL-entries would then be:
>
> acc 10 perm 218.18.0.0 0.0.254.0 (Even)
> acc 10 perm 218.18.1.0 0.0.254.0 (Odd)
>
> Cya
>
> Rene
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Venkatesh Palani
> Sent: 15 February 2006 23:57
> To: Emil Patel
> Cc: ccielab@groupstudy.com
> Subject: Re: Permitting odd and even routes??
>
>
> Hi Emil,
>
> The access-list for even routes is correct, but for the odd routes it is
> pretty tricky because when you use 0.0.255.255 you are matching both odd
> and
> even.
> so I think we coudl do it two different ways, meanwhile I havent tested
> them
> in the lab so please test them before you use
>
> 1. in the above example use 218.18.1.0 0.0.254.255 because the last bit
> needs to be 1 always and is not allowed to change
>
> 2. use routemap where you want to filter out the even routes thus the
> remainning will be odd routes, something liek the one shown below
> Route-map odd-routes deny 10
> match ip <ACL for the even routes>
> Route-map oddroutes permit 20
>
>
> Could you please check them on ur set up and let me know if it all works
> :-)
>
> Thank you,
> venkatesh
>
>
>
> On 2/16/06, Emil Patel <emilpatel@hotmail.com> wrote:
> >
> > I have following rip routes being learned from the BB routers:
> >
> >
> >
> > 218.18.0.0/24
> >
> > 218.18.1.0/24
> >
> > 218.18.2.0/24
> >
> > 218.18.3.0/24
> >
> >
> >
> > If I just want allow odd or even numbered routes based on 3rd octet,
> here
> > what I have in my config:
> >
> >
> >
> > For odd routes:
> >
> > Access-list 10 permit 212.18.0.0 0.0.255.255
> >
> >
> >
> > For even routes:
> >
> > Access-list 10 permit 212.18.0.0 0.0.254.255
> >
> >
> >
> > Is this correct?
> >
> >
> >
> > Emil
> >
> > _______________________________________________________________________
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