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Category: 301b

Exam F5 301b : LTM Specialist: Maintain & Troubleshoot

What is the cause of the failover?

A failover event is recorded in the following log messages:
Jan 01 00:56:56 BIG-IP notice mcpd[5318]: 01070727:5: Pool /Common/my-pool member /
Common/10.0.0.10:80 monitor status down.
Jan 01 00:56:56 BIG-IP notice sod[5855]: 010c0045:5: Leaving active, group score 10 peer group score 20.
Jan 01 00:56:56 BIG-IP notice sod[5855]: 010c0052:5: Standby for traffic group /Common/traffic-group-1.
Jan 01 00:56:56 BIG-IP notice sod[5855]: 010c0018:5: Standby
Jan 01 00:57:06 BIG-IP notice logger: /usr/bin/tmipsecd –tmmcount 4 ==> /usr/bin/bigstart stop racoon
What is the cause of the failover?

Why is the LTM Specialist on LTM-D unable to synchroniz…

A device group is made up of four members: LTM-A, LTM-B, LTM-C, and LTM-D. An LTM Specialist
makes a configuration change on LTM-B. Later, a different LTM Specialist notices a “changes pending”
message on all devices. When logged into LTM-D, the LTM Specialist attempts to config-sync to the device
group. The sync operation fails.
Why is the LTM Specialist on LTM-D unable to synchronize the configuration to the group?

Which two configuration components caused this condition?

An HA pair of LTM devices configured in Active-Standby mode stops responding to traffic and causes an
outage. The Active device becomes Standby, but the partner device stays in Standby mode instead of
taking over as Active. A reboot and restart of the services brings the LTM device to Active mode for a short
time, but then it goes into Standby mode again.
Which two configuration components caused this condition? (Choose two.)


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