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D-Link Unified Access System User Manual
Figure 9
the switches do not connect directly to APs or end-user nodes.
Figure 9. Data Center Topology
The data center topology is a good solution in networks where the goal is to add a wireless
LAN to a network with minimal changes to the existing network. Traffic from wireless clients
to the APs is either tunneled through the Unified Switch or tagged with a VLAN ID by the AP
and handled accordingly. If the traffic is tagged, it might not pass through the Unified Switch.
Access Point-to-Switch Discovery
To enable the AP and Unified Switch to discover each other, you can use one of the following
four methods:
•
Enter the IP address of the Unified Switch into the AP
•
Enter the IP address of the AP into the Unified Switch
•
Configure the DHCP server to pass the IP address of the Unified Switch to the AP in DHCP
option 43
•
Use the D-Link Wireless Device Discovery Protocol
The AP-to-switch discovery method you use depends on your network topology. For example,
if the Unified Switch and AP are in the same Layer 2 multicast domain, we recommend that
you use the D-Link Wireless Device Discovery Protocol.
These options are discussed in more detail in
on page 61.
Access Point Placement
D-Link Access Points can be on the same subnet as the switch or on a different subnet. You
can connect the AP directly to the Unified Switch or to another networking device. The range
36
© 2001- 2008 D-Link Corporation. All Rights Reserved.
shows two D-Link Unified Switches in the network data center. In this deployment,
APs
APs
LAN Switch
Unified Switches
Network
Backbone
Data Center
LAN Switch
"Discovering Access Points and Peer Switches"
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