Consider the figure below. Let subnet $\frac{1}{2}$ have IP address prefix $55\mathrm{.}55\mathrm{.}55\mathrm{.}0/24$ and subnet $3$ have IP address prefix $67\mathrm{.}67\mathrm{.}67\mathrm{.}0/24,$ Provide MAC addresses and IP addresses for the interfaces at Host D$,$ router R$1,$ and Host F$.$ Suppose Host D sends a datagram to Host F$.$ Give the source and destination MAC addresses in the frame encapsulating this IP datagram as the frame is transmitted $($i$)$ from D to switch S$1,($ii$)$ from S$1$ to R$1,($iii$)$ from R$1$ to F$.$ Also, give the source and destination IP addresses in the IP datagram encapsulated within the frame at each of these points in time.

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