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Exam 101 topic 1 question 72 discussion

Actual exam question from F5's 101
Question #: 72
Topic #: 1
[All 101 Questions]

In a routed configuration, what does LTM do with the packet before sending it to the pool member?

  • A. Change the source IP and the destination IP address
  • B. Leave it unchanged and forward it
  • C. Change the source IP address
  • D. Change the destination IP address
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Suggested Answer: D 🗳️

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Timber
Highly Voted 3 years, 4 months ago
If by routed configuration, they mean "IP Forwarding Virtual Server", then no translation is expected. So Answer should be "B".
upvoted 8 times
ira_cisco
2 years, 2 months ago
I think here it is referred to the two main architectures the ltm can be configured to (routed mode and SNAT mode).In routed mode you still have virtual servers for incoming traffic from the client destined for a VIP. Ltm changes the destination IP on the packet to point to the backend server, then transmits it. The client IP is maintained. We expect the return traffic from servers to hit the ltm. (Default gateway of servers set to ltm). Answer should be D. [https://jackofallit.wordpress.com/2012/06/19/f5-load-balancing-the-first-decision-to-make/](https://jackofallit.wordpress.com/2012/06/19/f5-load-balancing-the-first-decision-to-make/)
upvoted 7 times
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JustStudying
2 years, 6 months ago
Not true, it changes the destination IP to the server but keeps the same source IP.
upvoted 4 times
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dexter_00
Most Recent 2 months ago
Selected Answer: B
In routing mode not translation occurs so B, it works as simple router (example is Forwarding VIP)
upvoted 2 times
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