Table 22: CLI Commands to Display Cluster Settings

Command

Description

show cluster-switches

When you issue this command from the cluster root, the output of this command

 

displays the IP address of the VLAN used by the cluster member to connect to the

 

cluster root.

 

If you issue this command from a cluster member, the output of this command

 

displays the IP address of the VLAN used by the cluster root to connect to the cluster

 

member.

 

 

show cluster-config

When you issue this command from the cluster root, the output of this command

 

shows the cluster role of the controller, and the IP address of each active member

 

controller in the cluster.

 

When you issue this command from a cluster member, the output of this command

 

shows the cluster role of the controller, and the IP address of the cluster root.

 

 

Replacing a Controller on a Multi-Controller Network

The procedure to replace a controller within a multi-controller network varies, depending upon the role of that controller, whether the network has a single master controller or a cluster of master Dell controllers, and whether or not the controller has a backup.

NOTE: The following sections describe the steps to replace an existing controller. To add a new local controller to a network, or permanently remove a local controller without replacing it, see "Viewing and Managing the Master or Local Switch Whitelists" on

page 88.

Replacing Controllers in a Single Master Network

Use the procedures in this section to replace a master or local controller in a network environment with a single master controller.

Replacing a Local Controller

Use the following procedure to replace a local controller in a single-master network.

1.Disconnect the local controller from the network.

2.If you plan on moving the local controller to another location on the network, purge the campus AP whitelist on the controller.

Access the command-line interface on the old local controller and issue the command whitelist-db cpsec purge

or,

Access the local controller WebUI, navigate to Configuration>AP Installation>Campus AP Whitelist and click Purge.

3.Once the campus AP whitelist has been purged, you must inform the master controller that the local controlleris no longer available. .

NOTE: This step is very important; unused local controller entries in the local switch whitelist can significantly increase network

traffic and reduce controller memory resources.

Access the command-line interface on the master controller, and issue the command whitelist-db cpsec-

local-switch-list del mac-address <local-controller-mac>

-or -

Access the maser controller WebUI, navigate to the Configuration>Controller>Control Plane Security

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

Control Plane Security 93

Page 93
Image 93
Dell 6.2 manual Replacing a Controller on a Multi-Controller Network, Replacing Controllers in a Single Master Network

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