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F5 Discussions

Exam 101 topic 1 question 225 discussion

Actual exam question from F5's 101
Question #: 225
Topic #: 1
[All 101 Questions]

Assuming there are open connections through an active system's NAT and a failover occurs, by default, what happens to those connections?

  • A. All open connections will be lost.
  • B. All open connections will be maintained.
  • C. The "Mirror" option must be chosen on the NAT and the setting synchronized prior to the connection establishment.
  • D. Long-lived connections such as Telnet and FTP will be maintained while short-lived connections such as HTTP will be lost.
  • E. All open connections are lost, but new connections are initiated by the newly active BIG-IP, resulting in minimal client downtime.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by Mair at Aug. 5, 2021, 11:01 a.m.

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loicf1
7 months ago
mirroring is optional in HA configuration. so by default all connection will be lost ( reponse A )
upvoted 1 times
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Abdallah_Musa
1 year, 2 months ago
B https://community.f5.com/t5/technical-forum/are-open-nat-connections-maintained-upon-failover/td-p/255221
upvoted 1 times
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juantron
2 years, 3 months ago
I think it is E. Connection mirroring is an optional feature of the BIG-IP system, designed to ensure that when failover occurs, in-process SNAT connections are not dropped. You can enable mirroring on each SNAT that is associated with a floating virtual address. On the Main tab, click Local Traffic > Address Translation . The SNAT List screen displays a list of existing SNATs. In the Name column, click the relevant SNAT name. For the Stateful Failover Mirror setting, select the check box. Click Update. In addition to enabling connection mirroring on a SNAT, you must also specify a mirroring IP address on this device. Other traffic groups in the device group use this address when mirroring their connections to this device.
upvoted 1 times
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ira_cisco
2 years, 6 months ago
isn't E more accurate?
upvoted 2 times
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Mair
2 years, 8 months ago
don't think that's correct. By default - lost
upvoted 3 times
limsh
2 years, 7 months ago
I'm Thinking same that.
upvoted 1 times
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C (25%)
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