An engineer is reviewing the following high availability (HA) settings to understand a recent HA failover event. Which timer determines the frequency between packets sent to verify that the HA functio

The correct answer is A. Hello Interval. Interval in milliseconds between hello packets that are sent to verify that the HA functionality on the other firewall is operational. The range is 8000-60000 ms with a default of 8000 ms for all https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-admin/high-availability/ha-conce

Submitted by krish.m· Apr 18, 2026Core Concepts

Question

An engineer is reviewing the following high availability (HA) settings to understand a recent HA failover event. Which timer determines the frequency between packets sent to verify that the HA functionality on the other HA firewall is operational?

Exhibit

Options

AHello Interval
BMonitor Fail Hold Up Time
CHeartbeat Interval
DPromotion Hold Time

How the community answered

(15 responses)

A
87% (13)
B
7% (1)
D
7% (1)

Explanation

Interval in milliseconds between hello packets that are sent to verify that the HA functionality on the other firewall is operational. The range is 8000-60000 ms with a default of 8000 ms for all https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-admin/high-availability/ha-concepts/ha-

Topics

#High Availability (HA)#HA Timers#Hello Interval#HA Monitoring

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