A NAT router has a public IP address of 128.6.4.17 and a private address of 192.
ID: 3808173 • Letter: A
Question
A NAT router has a public IP address of 128.6.4.17 and a private address of 192.168.20.1.
A. The host at 192.168.10.167 sends a packet from port 47885 destined for 66.249.90.104:22.
Describe the NAT table entry that will be created.
B. The host at 192.168.100.212 sends a packet from port 37425 destined for
69.147.76.15:8080. Describe the NAT table entry that will be created.
C. What is the largest possible number of active connections that a NAT router could possibly
handle? Justify your answer for full credit.
Explanation / Answer
A.
Source IP Address
Port
Private IP Address
Port
Public IP Address
Port
Destination IP Address
Port
192.168.10.167
47885
192.168.20.1
128.6.4.17
66.249.90.104
22
B.
Source IP Address
Port
Private IP Address
Port
Public IP Address
Port
Destination IP Address
Port
192.168.100.212
37425
192.168.20.1
128.6.4.17
69.147.76.15
8080
C.
65536
It depends on Port number and router capacity.
Source IP Address
Port
Private IP Address
Port
Public IP Address
Port
Destination IP Address
Port
192.168.10.167
47885
192.168.20.1
128.6.4.17
66.249.90.104
22
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.