node 1 <-> switch A <-> switch B <-> switch C <-> SA
{snip}
No, it is not (dropped from all multicast groups it is joined to). It
may be removed from the multicast forwarding tables if there is no route
available but it is still a member of the group.
So the node (port) is a member of a multicast group for which routing is
not configured but when the port is discovered again, the SM runs the
multicast routing engine (for all groups? for all groups for which
discovered ports are member of?) again and configures the routing, nice.
I'm getting lost regarding the problem. If I understand correctly,
multicast will work fine if the link between switches A & B are brought
down/up. But if the link is brought down/up between switch A and node 1
(similar to the first reported issue) multicast fails?
- Sean
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