Netgear WC7600 User Manual Page 241

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Manage Stacking and Redundancy
241
ProSAFE Wireless Controller WC7600
WARNING:
Enabling redundancy causes the wireless controller to reboot,
which might temporarily affect traffic on the managed access
points in the network.
7. Click the Apply button.
8. Select Monitor > Network.
The Network monitoring screens displays.
9. Click the Refresh button.
The Network monitoring screen displays redundancy information.
Manage a Redundancy Group with N:1 Redundancy
<<Rephrase>> The wireless controller supports N:1 redundancy with failover <<true?>> .
Redundancy is implemented through the use of the Virtual Router Redundancy Protocol
(VRRP).
VRRP N:1 Redundancy Concepts
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 controllers and one redundant controller, you
could consider the redundant controller to consist of three virtual controllers, each of which
has a redundancy relationship with a primary controller. You need a unique VRRP ID for
each relationship.
Each controller in the redundancy group has a unique controller IP address and a unique
local IP address. Local addresses remain constant so a controller can always be identified
before and after a failover. If the primary controller fails or is disconnected from the network,
an automatic failover to the redundant controller occurs. The redundant controller then takes
ownership of the controller IP address of the primary controller and takes over all functions of
the primary controller.
After a failover has occurred, there is no longer any redundancy available for the other
primary controllers in the redundancy group.
VRRP ID [1-255] For the primary controller, enter a number from 1 through 255 as the VRRP ID.
Local IP For the primary controller, enter a local IP address. If a failover occurs, this IP
address remains assigned to the primary controller and does not transfer to the
redundant controller to let you identify the primary controller before and after
the failover.
Setting Description
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