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Discovering Access Points and Peer Switches 65
4 Installing the D-Link Unified Access System
From the WCS, you can check the discovery status. To view information about whether the
switch discovered the AP, click the Monitoring > Access Points > Managed Access Points
tab. If you have not added the MAC address of the AP to the local or RADIUS Valid AP
database, the AP appears in the Monitoring > Access Point > Authentication Failed Access
Points list, and the failure type is listed as No Database Entry. For more information about AP
validation, see “Authenticating and Validating Access Points” on page 70.
The following example shows how to add a VLAN to the list by using the CLI.
1. From a Telnet, SSH, or serial connection, log on to the D-Link WLAN Controller Switch
and enter the Wireless Configuration mode.
(switch-prompt) >enable
Password:
(switch-prompt) #config
(switch-prompt) (Config)#wireless
2. Add a VLAN to the discovery list:
(switch-prompt) (Config-wireless)#discovery vlan-list 4
3. Enter CTRL + Z to return to Privileged EXEC mode.
4. Save the changes to the configuration file:
(switch-prompt) #write
This operation may take a few minutes.
Management interfaces will not be available during this time.
Are you sure you want to save? (y/n) y
Configuration Saved!
To check the managed status from the WCS CLI, enter the following command:
(switch-prompt) #show wireless ap status
Configuring IP Addresses of Peers and APs in the Switch
You can configure up to 256 IP addresses for potential peer switches and APs in the D-Link
WLAN Controller Switch. The switch sends association invitations to all IP addresses in this
list. If the device accepts the invitation and is successfully validated by the switch, the switch
and the AP or peer switch are associated.
This discovery method mechanism is useful for peer switch discovery and AP discovery when
the devices are in different IP subnets. In fact, for a switch to recognize a peer that is not on the
same subnet, you must configure the IP addresses of each switch in the peer’s L3 discovery
list.
NOTE:The list of IP addresses is separate and independent from the list of valid
managed APs. Devices discovered through this list might not be valid APs or
switches.
NOTE:If an AP has already been discovered through another method, the WCS will
not poll the IP address of the AP.