Ip mac address converter3/20/2024 ![]() When an IPv4 datagram are sent as unicast, the Ethernet frame which is encapsulating the IPv4 datagram contains sender and receiver MAC addresses as the source and destination MAC addresses respectively. Address information at IPv4 datagram is source and destination IPv4 addresses, but the address information at layer 2 frame is source and destination MAC addresses. When a unicast data packet is sent to the network, the layer 3 (network layer) IPv4 datagram is encapsulated within layer 2 (datalink layer) frame. Why we need multicast IPv4 address to multicast MAC address mapping ![]()
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