PCNSE · Question #351
When you configure an active/active high availability pair, which two links can you use? (Choose two.)
The correct answer is A. HA2 backup B. HA3. In an active/active high availability configuration, Palo Alto Networks firewalls support the following HA link types: HA1 (control and heartbeat), HA2 (session state synchronization), HA2 backup (A) - a secondary path for HA2 state sync traffic to ensure continuity if the…
Question
When you configure an active/active high availability pair, which two links can you use? (Choose two.)
Options
- AHA2 backup
- BHA3
- CConsole Backup
- DHSCI-C
How the community answered
(58 responses)- A91% (53)
- C5% (3)
- D3% (2)
Explanation
In an active/active high availability configuration, Palo Alto Networks firewalls support the following HA link types: HA1 (control and heartbeat), HA2 (session state synchronization), HA2 backup (A) - a secondary path for HA2 state sync traffic to ensure continuity if the primary HA2 link fails, and HA3 (B) - a dedicated packet forwarding link unique to active/active mode that allows one peer to forward packets to the other when asymmetric routing would cause session lookup failures. 'Console Backup' is not an HA link type. HSCI-C (High-Speed Chassis Interconnect) is specific to PA-7000 series chassis-based hardware, not a standard HA link used for active/active pairing on other models.
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