SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
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.