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(ISC)2

301B · Question #91

While investigating the cause of a device failover, an LTM Specialist discovers the following events in syslog/ltm: 01010029:5: Clock advanced by 518 ticks 01010029:5: Clock advanced by 505 ticks…

The correct answer is B. TMM being descheduled. See the full explanation below for the reasoning.

Question

While investigating the cause of a device failover, an LTM Specialist discovers the following events in syslog/ltm: 01010029:5: Clock advanced by 518 ticks 01010029:5: Clock advanced by 505 ticks 01010029:5: Clock advanced by 590 ticks 01010029:5: Clock advanced by 564 ticks 01010029:5: Clock advanced by 1681 ticks 01010029:5: Clock advanced by 6584 ticks 01140029:5: HA daemon_heartbeat tmm fails action is failover and restart. 010c0026:3: Failover condition, active attempting to go standby. Which issue caused the failover?

Options

  • ANTP being out of sync
  • BTMM being descheduled
  • CVLAN Fail-safe heartbeats
  • DHA missing heartbeat packets

How the community answered

(57 responses)
  • A
    4% (2)
  • B
    72% (41)
  • C
    9% (5)
  • D
    16% (9)

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