From: Matt (matt_ccie_2004@yahoo.com)
Date: Tue May 11 2004 - 18:56:06 GMT-3
Correct.
Without the ip directed-broadcast command "the router
would simply ignore all incoming broadcast packets on
this interface and they would not get translated to
multicast"
quote from Designing IP Multicast Networks,
Williamson, page 506
HTH,
matt
--- Richard Dumoulin <richard.dumoulin@vanco.es>
wrote:
> This is the scenario I am talking about. I suppose
> you are referring to the
> case where the first hop router is receiving a
> directed broadcast vs a local
> broadcast.
>
> --Richard
>
> -----Original Message-----
> From: Matt [mailto:matt_ccie_2004@yahoo.com]
> Sent: martes, 11 de mayo de 2004 23:11
> To: Richard Dumoulin; ccielab@groupstudy.com
> Subject: Re: Multicast helper
>
>
> Depends on the scenario. You could have two
> non-multicast capable endpoints in which case they
> are
> both using directed broadcast.
>
> broadcast-->multicast--->broadcast
>
> matt
>
> --- Richard Dumoulin <richard.dumoulin@vanco.es>
> wrote:
> > The doc-cd
> >
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fipr
> > _c/ipcpt3/1cfmulti.htm#1002616
> >
>
<http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fip
> > r_c/ipcpt3/1cfmulti.htm#1002616> says to
> configure
> > "ip directed-broadcast"
> > on both the first hop router and the last hop
> > router. I think I have read
> > somewhere else that it's only needed on the egress
> > interface of the last hop
> > router. This is because it is on this interface
> that
> > the directed broadcast
> > is going out.
> > So who is right ?
> >
> > --Richard
> >
> >
>
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