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High Availability States in SonicWall

02/02/2022 33 People found this article helpful 93,447 Views

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    Description

    The Primary SonicWall and Secondary SonicWall in High Availability Pair, when configured, go through different states. This article describes about each state briefly.

    Resolution

    The Primary State field and Secondary State field is displayed on both the Primary and the Secondary HA appliances. Primary State Indicates the current state of the Primary appliance as a member of an HA Pair. 

    To verify the current HA states on both Primary and Secondary SonicWall appliances:

    Navigate to Device| High Availability | Status

     

     CAUTION: DON'T perform any configuration change while the units are in SYNC or REBOOT state. When the idle unit is doing a complete configuration sync and the active firewall is still under configuration, after the idle unit reboots following complete configuration sync, the secondary will detect the peer has newer configuration and may lead to another complete sync for the secondary. If configuration changes keep being applied when the idle unit is in SYNC or REBOOT state, it may enter in a reboot loop until the idle unit has the same configuration.

    We recommend performing configuration changes while the units are ACTIVE/STANDBY. This stability will allow for incremental configuration synchronizations and will not force the reboot on the idle unit for complete configuration sync.

     

    Different state values on Primary Appliances are mentioned below:

    Image

     

    • ACTIVE – Indicates that the Primary unit is handling all the network traffic except management/monitoring/licensing traffic destined to the standby unit.
    • STANDBY – Indicates that the Primary unit is passive and is ready to take over on a Failover.
    • ELECTION – Indicates that the Primary and Secondary units are negotiating which should be the ACTIVE unit.
    • SYNC – Indicates that the Primary unit is synchronizing settings or firmware to the Secondary.
    • ERROR – Indicates that the Primary unit has reached an error condition.
    • REBOOT – Indicates that the Primary unit is rebooting.
    • NONE – When viewed on the Primary unit, NONE indicates that HA is not enabled on the Primary. When viewed on the Secondary unit, NONE indicates that the Secondary unit is not receiving heartbeats from the Primary unit.  

     

    Different state values on Secondary Appliances are mentioned below:

     

    Image

     

    • ACTIVE – Indicates that the Secondary unit is handling all the network traffic except management/monitoring/licensing traffic destined to the standby unit.
    • STANDBY – Indicates that the Secondary unit is passive and is ready to take over on a Failover.
    • ELECTION – Indicates that the Secondary and Primary units are negotiating which should be the ACTIVE unit.
    • SYNC – Indicates that the Secondary unit is synchronizing settings or firmware with the Primary. If the change in the settings has been significant, the Secondary unit will synchronize the full configuration file and will reboot.
    • ERROR – Indicates that the Secondary unit has reached an error condition.
    • REBOOT – Indicates that the Secondary unit is rebooting.
    • NONE – When viewed on the Secondary unit, NONE indicates that HA is not enabled on the Secondary. When viewed on the Primary unit, NONE indicates that the Primary unit is not receiving heartbeats from the Secondary unit.

     

     

    Related Articles

    • SSL Control and DPI-SSL Compatibility
    • FIPS Mode: Radius protected with IPSEC VPN
    • Maximum DHCP Leases

    Categories

    • Firewalls > TZ Series > High Availability
    • Firewalls > NSa Series > High Availability
    • Firewalls > NSsp Series > High Availability
    • Firewalls > NSv Series > High Availability

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