[openib-general] [Bug 266] IPoIB multicast does not work with RHEL4 U4

[bugzilla-daemon at openib.org]

http://openib.org/bugzilla/show_bug.cgi?id=266





------- Comment #1 from ogerlitz at voltaire.com  2006-10-05 02:24 -------
>     default:
>         if (dir) {
>             memcpy(haddr, dev->broadcast, dev->addr_len);
> 

Looking on the code, what going on here is that as the ARPHRD_INFINIBAND case
does not exist, the default case is executed which sets the link layer
multicast address to be the device broadcast address. So the IP Multicast
traffic is actually running over the broadcast group. 





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