ADTRAN BlueSecure Controller Especificações descarregar pdf (Página 88)

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Chapter 4: Networks

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Note: On a BSC-600 or BSC-1200, the admin interface must be disabled in order to use

the failover feature.

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Note: On a BSC-600 or BSC-1200, a normal CAT-5E ethernet cable is used to connect

the two failover ports (a crossover cable is not needed).

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Note: When failover occurs, users with an IPSec connection will need to restart their

tunnel. However, network availability is maintained during failover.

The connection between failover ports must be a dedicated physical or logical one. You

can choose one of the following connection options:

• Cross cable between both controllers

• Dedicated switches for failover only

• Dedicated VLAN for the failover ports only

Normal Operation

Within a failover configuration, the primary BlueSecure Controller is normally active and

the secondary BlueSecure Controller is idle, as shown in Figure 4-17.

Failover State

When the secondary BSC takes over, its role changes and it functions as the primary, as

shown in Figure 4-18.

Recovery State

If the original primary recovers, it then becomes the secondary, as shown in Figure 4-19.

Therefore, no manual intervention is needed to “reset” roles when the original primary

BSC recovers.

Configuring the Primary BSC

To configure the parameters for a failover configuration, complete the following steps on

the

primary

BSC:

Figure 4-17: Failover - Normal State

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