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2V0-620 · Question #157

An administrator is configuring the Failover Order option on a vSphere Distributed Switch. Which two options should be used with IP-hash load balancing? (Choose two.)

The correct answer is A. Active Uplinks C. Unused Uplinks. IP-hash load balancing distributes traffic across all uplinks simultaneously based on source/destination IP, requiring all uplinks to be active - standby uplinks are incompatible with this policy.

Section 2 – Administer vSphere Resources

Question

An administrator is configuring the Failover Order option on a vSphere Distributed Switch. Which two options should be used with IP-hash load balancing? (Choose two.)

Options

  • AActive Uplinks
  • BStandby Uplinks
  • CUnused Uplinks
  • DOverride Failover Order

How the community answered

(25 responses)
  • A
    84% (21)
  • B
    4% (1)
  • D
    12% (3)

Why each option

IP-hash load balancing distributes traffic across all uplinks simultaneously based on source/destination IP, requiring all uplinks to be active - standby uplinks are incompatible with this policy.

AActive UplinksCorrect

Active Uplinks must be used because IP-hash requires all participating uplinks to be active at the same time, distributing traffic across them concurrently based on a hash of the IP addresses.

BStandby Uplinks

Standby Uplinks are incompatible with IP-hash load balancing because IP-hash does not support a failover model where uplinks wait in reserve - all uplinks must be active or unused.

CUnused UplinksCorrect

Unused Uplinks is the only other valid state for uplinks when using IP-hash, because standby uplinks would imply a failover model that conflicts with how IP-hash distributes load across all uplinks simultaneously.

DOverride Failover Order

Override Failover Order is not a valid uplink state category in the Failover Order configuration - it is not one of the three assignable states (Active, Standby, Unused).

Concept tested: IP-hash load balancing uplink configuration on vDS

Source: https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-networking/GUID-D8021E50-2E0D-4519-B6C5-3C82A5E47D9D.html

Topics

#IP-hash load balancing#vSphere Distributed Switch#failover order#uplink configuration

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