Le mercredi 22 février 2006 à 18:42 +0100, Samuel Thibault a écrit : > IIRC, multicast support at driver level is quite crappy :) > > Boards are usually able to subscribe to a few multicast groups only, if > more are needed, then promiscuous mode is needed.
I don't think the notion of multicast group is relevant here. There are, however, multicast filters that can be written to the NICs, up to a fixed limit, and once there are too many filters, the driver sets promiscuous mode. Should those filters be setup at driver init to accept multicast, or only when a userland application requests it (as it proposed in Gianluca Guida's message) ? -- Richard Braun
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