It depends on the topology. You need enable multicasting routing in path
between the KS and GMs

With regards
Kings

On Tue, Sep 20, 2011 at 4:18 AM, Diego Cambronero <
[email protected]> wrote:

>
> Hi,
>
> I have a question regarding multicast GETVPN. I have configure it several
> times and the rekey sometimes works and sometimes doesn't.
>
> I just want to be sure what is the configuration required for multicast?
>
> Is this all what we need?
>
>  ip multicast-routing
>   ip pim rp-address 1.1.1.1   ---Key-server
>   int fa 0/0     ----interface conecting to the KS
>   ip pim sparse-mode
>
>
> If for any reason we have DMVPN and GETVPN and we have to apply the crypto
> map in the tunnel do we have to apply the ip pim sparse-mode in the tunnel
> and the physical interface?
>
> Finally how can I force a rekey?
>
>
>
> Thanks
>
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