[En-Nut-Discussion] About Multicast packet receive

Harald Kipp harald.kipp at egnite.de
Thu Jun 10 11:18:16 CEST 2004


your observation is correct. In the current status
the Ethernet drivers do not support multicast.

Ethernet controllers have special registers for
multicast mode, which need to be set during
initialization. In case you want to try that,
I'd be very interested in the results.


At 09:27 10.06.2004 +0100, you wrote:
>I having problem on receive multicast UDP packet other then the destination
>ip and *.*.*.255.
>but I was able to send boardcast UDP packet other then by a
>little modify on ipout.c (net library) with multicast mac address.
>i do some tracing on packet arrive(ethernut board), found that all multicast
>packet other then x.x.x.255 or  been filter out(maybe it
>only recognize ff:ff:ff:ff:ff:ff mac address as boardcast packet and filter
>other out, but  i am not sure what happen), It dont have any response on
>ethin.c .
>any expert know what happenning, and how to enable me to do some multicast
>En-Nut-Discussion mailing list
>En-Nut-Discussion at egnite.de

More information about the En-Nut-Discussion mailing list