> > A host SHOULD silently discard a datagram that is received via > > a link-layer broadcast (see Section 2.4) but does not specify > > an IP multicast or broadcast destination address. > > This example is the other way round. It specifies how the IP > destination should look like in case of link-layer broadcast. Not > how the link-layer destination should look like in case of a > multicast/broadcast IP destination. You stopped reading too early - snipped the context part for you :) johannes