The SBC supports centralized management mode for 1:1 HA cloud deployments in which the configuration is synchronized between active and standby nodes. This mode can be used in the deployments where the SBC does not have EMS support. The currently running active node supports the configuration and management of these nodes. When configured in centralized management mode, the SBC supports replacement-based upgrade. One node at a time can be upgraded while maintaining the configuration intact during the upgrade process.

Note
  • In 1:1 centralized mode, the SBC can be launched with or without EMS.
  • In 1:1 centralized mode, the CLI is accessible only on the currently running active node.
  • The standby node must be upgraded first.
Note

The procedure for replacement upgrade for an SBC in 1:1 HA mode is similar to the process of upgrading N:1 HA instances except that you only need to upgrade two nodes. For detailed information, refer to the section Upgrading SBCs in an N:1 Redundancy Group.

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