
Managing Stacking and Redundancy
160
ProSafe 20-AP Wireless Controller WC7520
Figure 88.
The following figure shows a configuration with a primary controller and a redundant
controller after a failover has occurred:
Figure 89.
N:1 Redundancy
With N:1 redundancy, you can add one redundant controller for up to three controllers, that is,
a redundancy group can consist of four controllers, one of which is a redundant controller.
In an N:1 redundancy group with three primary co
ntrollers and one redundant controller, you
could consider the redundant controller to consist of three virtual controllers, each of which
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