QuestionQ87

High Availability and Scalability

Which mechanism is used in the Cloud during a ClusterXL failover scenario?

  • A The Router Discovery protocol will be used to propagate the new route after a failover scenario.
  • B Cloud clusters perform failovers by making API calls to the CSP.
  • C The Neighbor Discovery protocol will be used to propagate the new cluster node to be forwarded the packets to.
  • D The Gratuitous ARP mechanism will be used to change the MAC address entry in the ARP cache of the router.
Explanation

Cloud-based ClusterXL failover is implemented through API calls to the cloud service provider (CSP), which reassign or update the relevant cloud networking resources for the newly active member. Check Point documents that AWS cloud clusters use API calls instead of Gratuitous ARP during failover.

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