On Tue, 6 Sep 2005, Mark Tinguely wrote: >> So it sounds like we need to figure out how the multicast code should >> behave on interface removal -- I wonder what other operating systems do >> here? Do they simply invalidate current membership related with the >> interface, or do they leave the multicast sockets in a state such that >> if the interface comes back, the memberships are re-bound? > > In the case of a non-local multicast sessions, the saved multicast > socket state would need to keep a timestamp of the last a multicast > router IGMP session probe to detect the possibility of session pruning. I was assuming that, at the very least, it would be necessary to issue a new IGMP join when binding the socket to a new interface... Robert N M WatsonReceived on Tue Sep 06 2005 - 14:00:46 UTC
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