Question: 3. Double NATing (15 pts) There is a NAT (NAT A) with a NAT behind it (NAT B). NAT B has a laptop behind it.

3. Double NATing (15 pts) There is a NAT (NAT A)

3. Double NATing (15 pts) There is a NAT (NAT A) with a NAT behind it (NAT B). NAT B has a laptop behind it. NAT A is connected directly to the internet. Wikipedia also has a server directly connected to the internet. 1. Depict the entire setup. 2. Assign IP addresses to all machines. 3. The laptop sends a packet on port 30 to the Wikipedia server, port 52. Show the ourney it takes, depicting each stage in its journey-different headers it will have along the way and any changes to Network Address Translation tables made. Wikipedia responds with a single packet. Show the journey it takes back, complete with the different headers it will have along the way and any changes to Network Address Translation tables made. 4. 3. Double NATing (15 pts) There is a NAT (NAT A) with a NAT behind it (NAT B). NAT B has a laptop behind it. NAT A is connected directly to the internet. Wikipedia also has a server directly connected to the internet. 1. Depict the entire setup. 2. Assign IP addresses to all machines. 3. The laptop sends a packet on port 30 to the Wikipedia server, port 52. Show the ourney it takes, depicting each stage in its journey-different headers it will have along the way and any changes to Network Address Translation tables made. Wikipedia responds with a single packet. Show the journey it takes back, complete with the different headers it will have along the way and any changes to Network Address Translation tables made. 4

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