SPRUIM2H May 2020 – October 2023 AM2431 , AM2432 , AM2434 , AM6411 , AM6412 , AM6421 , AM6422 , AM6441 , AM6442
Multicast addresses are addresses with bit 40 set. Only destination addresses can be Multicast addresses. The group bit (bit 40) of the source address is reserved in the IEEE tandard.
A multicast address of all ones is the broadcast address which can be added to the lookup table if forwading of broadcast packets need be modified.