350-601 · Question #249
An engineer configures the properties of a Cisco UCS Cisco Integrated Management Controller network adapter for a standalone Cisco C-Series Server. The Failback Timeout in the vNIC was set to 600…
The correct answer is D. Enable Uplink failover. To enable automatic failover to a secondary (standby) uplink when the primary fails, and then failback once the primary recovers, the 'Uplink Failover' feature must be enabled on the vNIC. Without enabling Uplink Failover, the adapter will not monitor uplink state or switch…
Question
An engineer configures the properties of a Cisco UCS Cisco Integrated Management Controller network adapter for a standalone Cisco C-Series Server. The Failback Timeout in the vNIC was set to 600. When the failure occurs, the secondary interfaces must be used and then failback when the primary interface becomes available again. Which action must be taken to meet these requirements?
Exhibit
Options
- ASet default VLAN on the adapters.
- BIncrease Cos to 6.
- CDisable VNTAG mode.
- DEnable Uplink failover.
How the community answered
(23 responses)- A4% (1)
- B13% (3)
- C9% (2)
- D74% (17)
Explanation
To enable automatic failover to a secondary (standby) uplink when the primary fails, and then failback once the primary recovers, the 'Uplink Failover' feature must be enabled on the vNIC. Without enabling Uplink Failover, the adapter will not monitor uplink state or switch traffic to the secondary path. The Failback Timeout value (600 seconds) controls how long the adapter waits after the primary uplink recovers before switching back - but this timer is only relevant if Uplink Failover is actually enabled. Setting a default VLAN, adjusting CoS, or changing VNTAG mode do not address the failover/failback requirement.
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