D-Link DGS-6604 [1022/1106] System high availability

D-Link DGS-6604 [1022/1106] System high availability
DGS-6600 Series Switch m system high-availability
CLI Reference Guide
1012
system high-availability
Use this command to enable the system failover function provided by the dual
management control module. Use the no command to disable the function.
system high-availability [versioning]
no system high-availability [versioning]
Default Default configuration for system high availability is enabled. However the
operational status depends on the other of system operational conditions.
Versioning (image version synchronization) default is enabled.
Command Mode Global configuration for privilege level above 15 (included).
Usage Guideline The "system high-availability" and "system high-availability versioning" functions
are enabled by default and cannot be disabled the by user. With the high-
availability function, the data switching path will not be lost and the operational
state of the system can be kept during the system failover process.
The system high-availability function can only be provided when the firmware
image of the dual management control modules are compatible. Warning
messages (system log and trap) will be displayed when the software versions are
incompatible and the user tries to enable the high availability function.
Be aware that even though the system high availability is enabled, it’s operation
status could be on or off. Use show system high-availability command to
display:
High-availability state (enabled or disabled)
Versioning state (enabled or disabled)
High-availability operational status (based on whether the standby control
management unit is present and operational).
The high availability image version synchronization feature synchronizes switch
system images on the active and redundant control management units.
Examples The following examples shows how to enable image automatic version
synchronization.
Syntax Description
Versioning (optional) To enable and disable support for control management unit image
automatic version synchronization.
Switch(config)# system high-availability versioning
Success.
Switch(config)#

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