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Enable High Availability (HA) to allow a standby system to take control of the active system in case of failure.

Note

HA is available on all 

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models except the 
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 300 Series.


Note

Failover with B2BUA is now supported when High Availability is enabled. When the system is deployed for HA, you must configure the Primary and Backup systems identically for B2BUA features. Configuration mirroring is not supported.

Use HA in conjunction with settings on the VLAN Configuration page. Choose Network > VLAN and refer to Configure VLAN Support.

Note

HA is not available if Multi-port is enabled. 

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