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Question 144

-- Exhibit --

Refer to the exhibit.

A company uses a complex piece of client software that connects to one or more virtual servers (VS) hosted on an LTM device. The client software is experiencing issues. An LTM Specialist must determine the cause of the problem.

The LTM Specialist is seeing a client source IP of 168.210.232.5 in the tcpdump. However, the client source IP is actually 10.123.17.12.

Why does the IP address of 10.123.17.12 fail to appear in the tcpdump?

The LTM device performed NAT on the individual's IP address.

The Secure Network Address Translation (SNAT) pool on the virtual server is activated.

Network Address Translation (NAT) has occurred in the path between the client and the LTM device.

The individual's data stream is being routed to the LTM device by a means other than the default route.

Correct Answer: B

The appearance of a different IP address in the tcpdump indicates that the source IP address was likely altered by the device to manage connections efficiently. The Secure Network Address Translation (SNAT) pool, when activated on the virtual server, will modify the client's IP address to one from the SNAT pool to ensure proper routing of replies back through the LTM device. This explains why the client source IP of 10.123.17.12 does not appear in the tcpdump.

Discussion

GVKDOption: C

C - Correct