Refer to the exhibit. An engineer configured NAT translations and has verified that the configuration is correct. Which IP address is the source IP after the NAT has taken place?
The answer should be D. According to Cisco, the Inside Global would be considered the source address after NAT has taken place.
Source - https://www.cisco.com/c/en/us/support/docs/ip/network-address-translation-nat/4606-8.html
correct me if im wrong but the inside router does not detect the private IP address (inside global address )of a received packet right? they can only see public IP address (outside global) used. that's why the inside/outside global is always the same
D is correct answer. Why? Because this: When the NAT router receives a packet on its inside interface with a source address of 10.10.10.1, the source address is translated to 171.16.68.5. This also means that when the NAT router receives a packet on its outside interface with a destination address of 171.16.68.5, the destination address is translated to 10.10.10.1.
Source is the sama source provide by LTTAM there you will see why the correct is the "D" and below of the link is present a small example about outside
ChatGPT says D
Correct Answer:
D. 172.23.104.4
Explanation:
The NAT translation shows that the internal IP address (10.4.4.5) was translated to the external IP address (172.23.104.4).
Therefore, after NAT has taken place, the source IP address visible to the external network is 172.23.104.4.
ChatGPT says C
Correct Answer:
D. 172.23.104.4
Explanation:
The NAT translation shows that the internal IP address (10.4.4.5) was translated to the external IP address (172.23.104.4).
Therefore, after NAT has taken place, the source IP address visible to the external network is 172.23.104.4.
for NAT we got Inside local that translates to Inside Global (The IP that can be routed )
Outside Local and Outside Global is the Destination IP address , in general it will be the same from our point of view ( probably NAT applies there as well but is of no interest to us in this case) .
I'm absolutely sure that the answer is D.
With NAT the Inside Lobal is translated to the Inside Global.
Where the term "Inside" refers the physical location of our host (PC,server).
The question asks about the source IP address after the NAT translation occurred. Assuming that the packet is leaving the private network and going to the internet, option D seems correct.
for me i will go with option C reason is outside Local is the Source address after NAT which can be viewed from the source PC inside Global is viewed from destination pc
Maybe this question wanted to ask “which IP address is the source IP at the receiving side?” as there are two correct answers for inside local IP address (10.4.4.4 & 10.4.4.5) so they cannot be the correct answer.
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