From: Elias Chari (elias.chari@gmail.com)
Date: Sun Jul 16 2006 - 14:06:41 ART
You need the following pattern to represent 197 - 11000101, I don't
think you can do it in one line.
You can match 197.0.0.0/8 but how do you define subnets below 197.0.0.0/8?
If you want to match say all networks with le /8 and exclude 197.0.0.0/8
then you have a deny 197.0.0.0/8
permit 0.0.0.0/0 le 8
Another option may be to
(a) match all class-a networks
(b) match all class-b network
(b) match class-c networks 192-196
therefore networks 1-196 /8 are matched.
This will give you a 6 line prefix list, or may be less if you can reduce
the class-c entries to less than 4.
Well, prefix-lists do not work as access-lists. Perhaps someone else can
have a go at this, as I don't see how you can do it.
Rgds
Elias
On 7/16/06, Stavros Filargyropoulos <f.stavros@gmail.com> wrote:
>
> Hi,
> Thanks for the feedback
>
> What if we change the prefix to 197.
> Receive all Subnets prefix below 197.0.0.0/8
>
> tia
> *Stav.
>
> On 7/14/06, David Timmons <masterdt@yahoo.com> wrote:
> >
> > Hmm,
> >
> > I would vote for 0.0.0.0/0 le 7. Not sure if can
> > include 0.0.0.0 as a subnet less then 128; but, it is
> > a prefix below 128.0.0.0.
> >
> > dt
> >
> >
> > --- Stavros Filargyropoulos <f.stavros@gmail.com>
> > wrote:
> >
> > > Hi,
> > >
> > > How this is configured?
> > > Receive all Subnets prefix below 128.0.0.0/8
> > >
> > > ip prefix-list BELOW permit 128.0.0.0/1 le 8 ?
> > > or
> > > ip prefix-list BELOW permit 128.0.0.0/8 le 32
> > >
> > > ?
> > >
> > >
> > > tia
> > > *Stav.
> > >
> > >
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