Subject: Re: IFF_SIMPLEX and multicast
To: Ignatios Souvatzis <ignatios@cs.uni-bonn.de>
From: None <itojun@iijlab.net>
List: tech-net
Date: 04/09/2001 17:46:09 
>NOT? It should loop them back if IFF_SIMPLEX is set... if it is not set,
>the hardare listens to itself.

	sys/net/if_ethersubr.c has IFF_SIMPLEX checks for broadcast cases
	(M_BCAST) and not for multicast (M_MCAST).  are there specific
	reasons for this?   if multicast handling was introduced after
	IFF_SIMPLEX is invented, it may be a bug in L2 multicast support.

itojun