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Command Explanation
masterip <ipaddr> ipsec <key>
Configures the master IP address and pre-shared key on a local
controller for communication with the master controller.
Configure this to be the virtual IP address of the VRRP instance used
for master redundancy.
NOTE: All the APs and local Dell controllers in the network should be configured with the virtual IP address as the master IP
address. The master IP address can be configured for local Dell controllers during the Initial Setup. The controller will require a
reboot after changing the master IP on the controller.
If DNS resolution is the chosen mechanism for the APs to discover their master controller, ensure that the name
“aruba-master”
resolves to the same virtual IP address configured as a part of the master redundancy.
Configuring Database Synchronization
In a redundant master controller scenario, you can configure a redundant pair to synchronize their WMS and local
user databases. In addition, you can also synchronize RF Plan data between the pair of Dell controllers. You can
either manually or automatically synchronize the databases.
NOTE: When synchronizing the databases, Dell recommends that you also synchronize RF plan data.
When manually synchronizing the database, the active VRRP master synchronizes its database with the standby.
The command takes effect immediately.
When configuring automatic synchronization, you set how often the two Dell controllers synchronize their
databases. To ensure successful synchronization of database events, you should set periodic synchronization to a
minimum period of 20 minutes.
In the WebUI
1. On each controller, navigate to the Configuration > Advanced Services > Redundancy page.
2. Under Database Synchronization Parameters, do the following:
a. Select the Enable periodic database synchronization check box. This enables database synchronization.
b. Enter the frequency of synchronizing the databases. Dell recommends a minimum value of 20 minutes.
c. By default, RF Plan data is also synchronized. Dell recommends that you always enable this option.
3. Click Apply.
In the CLI
Use the following commands to configure database synchronization.
Command Description
database synchronize
This enable mode command manually synchronizes the
databases and takes effect immediately.
database synchronize rf-plan-data
This config mode command includes RF plan data when
Table 142:
Database synchronization commands
DellPowerConnectW-SeriesArubaOS6.2 | User Guide VRRP | 481