Re: RP to Group Mapping

From: Cristian Henry H (chenry@reuna.cl)
Date: Mon Apr 05 2004 - 17:10:42 GMT-3

224 = 11100000 used for even match
225 = 11100001 used for odd match
--------------
 14 = 00001110

it Makes sence?

Ahmed Mustafa ha escrito:
>
> How do get the 14.0.0.0
> ----- Original Message -----
> From: "Cristian Henry H" <chenry@reuna.cl>
> To: "Ahmed Mustafa" <ahmed.mustafa@sbcglobal.net>
> Cc: <ccielab@groupstudy.com>
> Sent: Monday, April 05, 2004 6:26 AM
> Subject: Re: RP to Group Mapping
>
> > In my opinion, the correct answer would be the following
> >
> > R3:
> >
> > !
> > ip pim send-rp-announce loop0 scope 5 group-list 1
> > ip pim sen-rp-discovery loop0 scope 5
> > !
> > access-list 1 permit 224.0.0.0 14.255.255.255 for R1
> > !
> > access-list 1 permit 225.0.0.0 14.255.255.255 for R2
> > !
> >
> >
> > Ahmed Mustafa ha escrito:
> > >
> > > If I want to configure RP to Group mapping in such a fashion that
> > >
> > > R3 should be a mapping agent for all multicast group for R1 with even
> number
> > > first octet, and
> > > R3 should be a mapping agent for all multicast group for R2 with odd
> number
> > > second octed.
> > >
> > > The easiest way I could do is
> > >
> > > access-list 1 permit 0.0.0.0 254.255.255.255 for R1
> > > access-list 2 permit 1.0.0.0 254.255.255.255 for R2
> > >
> > > but I want to be more granular then I can configure such as
> > >
> > > access-list 1 permit 224.0.0.0 7.255.255.255 for R1
> > > access-list 2 permit 225.0.0.0 7.255.255255 for R2
> > >
> > > Can someone confirm if the 2nd option will work. I worked out in binary
> it
> > > looked fine.
> > >
> > > Regards,
> > >
> > > Ahmed
> > >
> > > _______________________________________________________________________
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> >
> > --
> > Cristian E. Henry
> > REUNA
> >
> > E-mail: chenry@reuna.cl
> > Fono: 56-2-3370336 

-- 
Cristian E. Henry
REUNA

E-mail: chenry@reuna.cl
Fono: 56-2-3370336

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