all other master and local Dell controllers as soon as the new controller is added to the hierarchy. If any old or invalid AP entries are added to the campus AP whitelist, all Dell controllers in the hierarchy begins trusting those APs, creating a potential security risk. For additional information on adding a new local controller using control plane security to your network, see "Replacing a Local Controller" on page 93

To purge a controller’s campus AP whitelist via the WebUI:

1.Access the master controller WebUI, and navigate to Configuration>AP Installation.

2.Click the Campus AP Whitelist tab.

3.Click Purge.

To purge a campus AP whitelist via the command-line interface, issue the command:

whitelist-db cpsec purge

Managing Whitelists on Master and Local Controllers

Every controller using the control plane security feature maintains a campus AP whitelist, a local switch whitelist and a master switch whitelist. The contents of these whitelists vary, depending upon the role of the controller, as shown in the figure below.

Table 18: Control Plane Security Whitelists

Controller Role

Campus AP Whitelist

Master Switch

Local Switch

Whitelist

Whitelist

 

 

On a (standalone) master

The campus AP whitelist contains

The master switch

The local switch whitelist

controller with no local

entries for the secure campus APs

whitelist is empty, and

is empty, and does not

Dell controllers:

associated with that controller.

does not appear in the

appear in the WebUI.

 

 

WebUI.

 

 

 

 

 

On a master controller

The campus AP whitelist contains an

The master switch

The local switch whitelist

with local Dell

entry for every secure campus AP on

whitelist is empty, and

contains an entry for

controllers:

the network, regardless of the

does not appear in the

each associated local

 

controller to which it is connected.

WebUI.

controller.

 

 

 

 

On a Local controller:

The campus AP whitelist contains an

The master switch

The local switch whitelist

 

entry for every secure campus AP on

whitelist contains the

is empty, and does not

 

the network, regardless of the

MAC and IP address of

appear in the WebUI.

 

controller to which it is connected.

the master controller.

 

 

 

 

 

Figure 19: Local Switch Whitelist on a Master Controller

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

Control Plane Security 87

Page 87
Image 87
Dell 6.2 Managing Whitelists on Master and Local Controllers, Campus AP whitelist contains Master switch, With local Dell

6.2 specifications

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