Question 160
At Bayfield Aviation, the FortiGate 7.6 security administration team encounters the following authorized operational case: hosts keep stale neighbor information after a cluster role swap and some traffic follows an old interface identity. They need a defensible FortiOS configuration, diagnosis, validation or prevention decision. Which recurring review is most relevant to the same root risk?
Explanation
Correct Answer
Validate ARP and switch forwarding after topology adjustments. This recurring practice addresses ha virtual mac address transition because failover can require layer-two neighbors to learn the active unit's forwarding identity. It reinforces the supported change to verify supported HA virtual MAC behavior and neighbor refresh on attached switches and routers rather than relying on an unrelated periodic audit.
Incorrect Answers
Trend CPU and process use during traffic and signature updates reduces recurrence of high cpu process triage, rather than the observed ha virtual mac address transition issue. The relevant preventive control for Bayfield Aviation is: Validate ARP and switch forwarding after topology adjustments. This distinction matters because failover can require layer-two neighbors to learn the active unit's forwarding identity.
Audit cloud route tables whenever subnets are added reduces recurrence of cloud vpc or vnet route steering, rather than the observed ha virtual mac address transition issue. The relevant preventive control for Bayfield Aviation is: Validate ARP and switch forwarding after topology adjustments. This distinction matters because failover can require layer-two neighbors to learn the active unit's forwarding identity.
Audit failover identity permissions after account or subscription changes reduces recurrence of cloud failover route privileges, rather than the observed ha virtual mac address transition issue. The relevant preventive control for Bayfield Aviation is: Validate ARP and switch forwarding after topology adjustments. This distinction matters because failover can require layer-two neighbors to learn the active unit's forwarding identity.