From: Vazman (vazman@gmail.com)
Date: Wed May 03 2006 - 14:41:05 ART
1. The multicast source (server) is not part of the group. The server will
be sending traffic to the multicast group address. If the server also need
to receive multicast traffic then it would have to join the group but that
is not the case is most scenarios.
On 5/3/06, Chan Hong <chan_hong33@yahoo.com> wrote:
>
> Dear all,
>
> I have 2 multicast questions want to ask but my concept of multicast is
> very weak because I'm still reading the books. Please point out if I have
> any wrong(s).
>
> Question 1:
> Under IGMP version2, when members leave the group, they will send the
> leave packet to the 224.0.0.2(all multicast router).
> What if the source(sender) leaves the group? Does it do the same
> thing?(under IGMP action)
>
> Question 2:
> Under PIM Dense mode, it is rooted at source, SPT. In the book's example,
> all of them are only 1 source exists in the network.
> What if there are multiple sources? How does the PIM router select the
> source?
>
> Regards,
> Howard
>
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