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What is the purpose of the management interface monitoring policy?
A. to monitor the management interface counters for errors and drops
B. to prevent VM traffic from being black-holed during a cluster switchover
C. to sync MAC address tables between peer fabric interconnects
D. to ensure that the management interface of the managing fabric interconnect can reach the gateway
Correct Answer: D
Explanation/Reference:
Explanation:
This policy defines how the mgmt0 Ethernet interface on the fabric interconnect should be monitored. If Cisco UCS detects a management interface failure, a failure report is generated. If the configured number of failure reports is reached, the system assumes that the management interface is unavailable and generates a fault. By default, the management interfaces monitoring policy is disabled.
If the affected management interface belongs to a fabric interconnect which is the managing instance, Cisco UCS confirms that the subordinate fabric interconnect’s status is up, that there are no current failure reports logged against it, and then modifies the managing instance for the end-points.
If the affected fabric interconnect is currently the primary inside of a high availability setup, a failover of the management plane is triggered. The data plane is not affected by this failover.
Reference: http://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/sw/cli/config/guide/2-0/b_UCSM_CLI_Configuration_Guide_2_0/b_UCSM_CLI_Configuration_Guide_2_0_chapter_0101000.html#concept_8EFB3986365C4F69A6C3B9BBC14D16FE