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HA Concepts
Updated on
Oct 16, 2024
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Updated on
Oct 16, 2024
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PAN-OS
High Availability
HA Concepts
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HA Concepts
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Next-Generation Firewall Docs
Getting Started
Administration
Version
Cloud Management of NGFWs
PAN-OS 10.0 (EoL)
PAN-OS 10.1
PAN-OS 10.2
PAN-OS 11.0 (EoL)
PAN-OS 11.1 & Later
PAN-OS 9.1 (EoL)
Networking
Version
PAN-OS 10.1
PAN-OS 10.2
PAN-OS 11.0 (EoL)
PAN-OS 11.1 & Later
Incidents & Alerts
Release Notes
Version
Cloud Management and AIOps for NGFW
PAN-OS 10.0 (EoL)
PAN-OS 10.1
PAN-OS 10.2
PAN-OS 11.0 (EoL)
PAN-OS 11.1
PAN-OS 11.2
PAN-OS 8.1 (EoL)
PAN-OS 9.0 (EoL)
PAN-OS 9.1 (EoL)
Previous
HA Overview
Next
HA Modes
HA Concepts
The following topics provide conceptual information about how HA works on a Palo Alto Networks firewall:
HA Modes
HA Links and Backup Links
Device Priority and Preemption
Failover
LACP and LLDP Pre-Negotiation for Active/Passive HA
Floating IP Address and Virtual MAC Address
ARP Load-Sharing
Route-Based Redundancy
HA Timers
Session Owner
Session Setup
NAT in Active/Active HA Mode
ECMP in Active/Active HA Mode
Previous
HA Overview
Next
HA Modes
