D-Link Unified Access System DWS-3000 Series User Manual page 64

Unified access system
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D-Link Unified Access System User Manual
its association unless the connectivity to the current wireless switch fails or the switch tells
the AP to disassociate and associate with another switch.
The following sections describe each discovery mechanism.
D-Link Wireless Device Discovery Protocol
The Wireless Device Discovery Protocol is a good discovery method to use if D-Link WLAN
Controller Switches and D-Link Access Points are located in the same Layer 2 multicast
domain. The D-Link WLAN Controller Switch periodically sends a multicast packet
containing the discovery message on each VLAN enabled for discovery. You can enable the
discovery protocol on up to 16 VLANs.
By default, VLAN 1 is enabled on the AP, and VLAN 1 is enabled for discovery on the WCS.
If the switch and AP are in the same Layer 2 multicast domain, you might not need to take any
action to enable AP-to-Switch discovery.
If the switch has discovered a new AP by using L2 discovery and the MAC address of the AP
is not in the Valid AP database, the AP appears in the list on the Monitoring > Access Point >
Authentication Failed Access Points page. To view AP authentication failures from the CLI,
enter
show wireless ap failure status
The APs process the discovery message only when it comes in on the management VLAN.
The APs do not forward the L2 discovery messages onto the wireless media.
Use the following procedures to add a VLAN to the discovery list by using the Web interface:
1. Use a browser to log on to the D-Link WLAN Controller Switch.
2. From the Navigation menu, click Administration > Basic Setup, then select the
Discovery tab.
3. Make sure the box for L2/VLAN Discovery is selected and add the management VLAN
ID of an AP or peer switch to the VLAN (1-4094) field.
4. Click Add to add the VLAN to the list.
5. Click Submit to apply the changes.
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© 2001- 2006 D-Link Corporation/D-Link Systems, Inc. All Rights Reserved.
in Privileged EXEC mode.

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