Consider the network in Figure 2 and answer the following questions: NAT translation table | WAN side addr/port LAN side addr/port 1 2 138.76.29.7, 5001 (2) S: 138.76.29.7,4060 D: 169.132.51.60, 80 138.76.29.7 S: 128.119.40.186,80 (3) D: 138.76.29.7, 5001 192.168.1.4, 3345 numbers of packet 4? 192.168.1.1 S: D: 1: host 192.168.1.2 sends datagram to 169.132.51.60, 80 S: 192.168.1.2, 3048 D: 169.132.51.60, 80 A) S: 192.168.1.4, 3345; D: 128.119.40.186, 80 B) S: 128.119.40.186, 80; D: 192.168.1.4, 3345 C) S: 138.76.29.7, 5001; D: 192.168.1.2, 3048 D) S: 192.168.1.4, 3345; D: 138.76.29.7, 5001 192.168.1.2 192.168.1.3 Figure 2: Example of a NAT setup. Question 1: Consider packets 1 and 2. What entry would these packets generate in the NAT table? A) WAN side addr/port: 192.168.1.2, 3048; LAN side addr/port: 138.76.29.7, 4060 B) LAN side addr/port: 169.132.51.60, 80; WAN side addr/port: 192.168.1.2, 3048 C) LAN side addr/port: 192.168.1.2, 3048; WAN side addr/port: 138.76.29.7, 4060 D) LAN side addr/port: 192.168.1.2, 3048; WAN side addr/port: 169.132.51.60, 80 Question 2: Consider entry 2 in the NAT table and packet 3. What would be the source/destination IP and port 192.168.1.4

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Consider the network in Figure 2 and answer the following questions:
NAT translation table
| WAN side addr/port LAN side addr/port
1
2 138.76.29.7, 5001
192.168.1.4, 3345
2
S: 138.76.29.7,4060
D: 169.132.51.60, 80
138.76.29.7
(3)
S: 128.119.40.186, 80
D: 138.76.29.7, 5001
192.168.1.1
S:
D:
S: 192.168.1.2, 3048
D: 169.132.51.60, 80
1
1: host 192.168.1.2
sends datagram to
169.132.51.60, 80
A) S: 192.168.1.4, 3345; D: 128.119.40.186, 80
B) S: 128.119.40.186, 80; D: 192.168.1.4, 3345
C) S: 138.76.29.7, 5001; D: 192.168.1.2, 3048
D) S: 192.168.1.4, 3345; D: 138.76.29.7, 5001
192.168.1.2
192.168.1.3
Figure 2: Example of a NAT setup.
Question 1: Consider packets 1 and 2. What entry would these packets generate in the NAT table?
A) WAN side addr/port: 192.168.1.2, 3048; LAN side addr/port: 138.76.29.7, 4060
B) LAN side addr/port: 169.132.51.60, 80; WAN side addr/port: 192.168.1.2, 3048
C) LAN side addr/port: 192.168.1.2, 3048; WAN side addr/port: 138.76.29.7, 4060
D) LAN side addr/port: 192.168.1.2, 3048; WAN side addr/port: 169.132.51.60, 80
Question 2: Consider entry 2 in the NAT table and packet 3. What would be the source/destination IP and
port
numbers of packet 4?
192.168.1.4
Transcribed Image Text:Consider the network in Figure 2 and answer the following questions: NAT translation table | WAN side addr/port LAN side addr/port 1 2 138.76.29.7, 5001 192.168.1.4, 3345 2 S: 138.76.29.7,4060 D: 169.132.51.60, 80 138.76.29.7 (3) S: 128.119.40.186, 80 D: 138.76.29.7, 5001 192.168.1.1 S: D: S: 192.168.1.2, 3048 D: 169.132.51.60, 80 1 1: host 192.168.1.2 sends datagram to 169.132.51.60, 80 A) S: 192.168.1.4, 3345; D: 128.119.40.186, 80 B) S: 128.119.40.186, 80; D: 192.168.1.4, 3345 C) S: 138.76.29.7, 5001; D: 192.168.1.2, 3048 D) S: 192.168.1.4, 3345; D: 138.76.29.7, 5001 192.168.1.2 192.168.1.3 Figure 2: Example of a NAT setup. Question 1: Consider packets 1 and 2. What entry would these packets generate in the NAT table? A) WAN side addr/port: 192.168.1.2, 3048; LAN side addr/port: 138.76.29.7, 4060 B) LAN side addr/port: 169.132.51.60, 80; WAN side addr/port: 192.168.1.2, 3048 C) LAN side addr/port: 192.168.1.2, 3048; WAN side addr/port: 138.76.29.7, 4060 D) LAN side addr/port: 192.168.1.2, 3048; WAN side addr/port: 169.132.51.60, 80 Question 2: Consider entry 2 in the NAT table and packet 3. What would be the source/destination IP and port numbers of packet 4? 192.168.1.4
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