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c) Figure 5 shows three LAN interconnected by two routers and Table 1 shows the ARP table for the node at Router 1 and Router
c) Figure 5 shows three LAN interconnected by two routers and Table 1 shows the ARP table for the node at Router 1 and Router 2. Suppose Host A sends a datagram to Host E. E A 192.168.1.001 192.168.2.001 44-44-44-44-44-44 192.168.3.001 77-77-77-77-77-77 LAN Router 1 LAN Router 2 LAN 192.168.1.002 22-22-22-22-22-22 192.168.2.002 33-33-33-33-33-33 192.168.2.003 55-55-55-55-55 192.168.3.002 88-88-88-88-88-88 B D 192.168.1.003 11-11-11-11-11-11 192.168.2.004 66-66-66-66-66 F 192.168.3.003 99-99-99-99-99-99 Figure 5 Table 1 Mac Address IP Address TTL 192.168.1.001 00-00-00-00-00-00 13:45:00 192.168.1.003 11-11-11-11-11-11 13:52:00 192.168.3.001 77-77-77-77-77-77 16:27:00 192.168.3.003 99-99-99-99-99-99 16:39:00 i Give the source and destination IP and MAC addresses in the frame encapsulating the IP datagram as it is transmitting from A to Router 1. [2m] ii. Give the source and destination IP and MAC address in the frame encapsulating the IP datagram as it is transmitting from Router 2 to E. [2m] iii. Suppose the network wants to send an IP datagram from Host F to Host B. If the ARP table of Host B is empty, list the steps taken to send the IP datagram using ARP. [3] c) Figure 5 shows three LAN interconnected by two routers and Table 1 shows the ARP table for the node at Router 1 and Router 2. Suppose Host A sends a datagram to Host E. E A 192.168.1.001 192.168.2.001 44-44-44-44-44-44 192.168.3.001 77-77-77-77-77-77 LAN Router 1 LAN Router 2 LAN 192.168.1.002 22-22-22-22-22-22 192.168.2.002 33-33-33-33-33-33 192.168.2.003 55-55-55-55-55 192.168.3.002 88-88-88-88-88-88 B D 192.168.1.003 11-11-11-11-11-11 192.168.2.004 66-66-66-66-66 F 192.168.3.003 99-99-99-99-99-99 Figure 5 Table 1 Mac Address IP Address TTL 192.168.1.001 00-00-00-00-00-00 13:45:00 192.168.1.003 11-11-11-11-11-11 13:52:00 192.168.3.001 77-77-77-77-77-77 16:27:00 192.168.3.003 99-99-99-99-99-99 16:39:00 i Give the source and destination IP and MAC addresses in the frame encapsulating the IP datagram as it is transmitting from A to Router 1. [2m] ii. Give the source and destination IP and MAC address in the frame encapsulating the IP datagram as it is transmitting from Router 2 to E. [2m] iii. Suppose the network wants to send an IP datagram from Host F to Host B. If the ARP table of Host B is empty, list the steps taken to send the IP datagram using ARP. [3]
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