Configuring the Wireless Distribution System
D-Link Unified Wired and Wireless Access System
Oct. 2015 Page 641
D-Link UWS User Manual
Enabling AeroScout™ Engine Support
The AeroScout Engine (AE) is a software platform produced by AeroScout Inc. for location-based services. The
AE can determine the physical location of 802.11-capable AeroScout devices. The AE communicates with APs
that have the AE protocol enabled in order to collect information about the RF devices detected by the APs.
The DWS-4000 Series switch supports only direct communication between the AE and the APs. When
operating in managed mode, the AE is configured with the IP address of the managed access points from which
it collects information. The DWS-4000 Series switch does not communicate with the AE.
AeroScout tags operate only in 802.11b/g mode. Therefore, network administrators who use the AeroScout
tags must configure at least one radio on APs that are expected to detect tags in either 802.11b/g or
802.11b/g/n mode. The radios configured in 2.4 GHz IEEE 802.11n mode or any of the 5 GHz modes cannot
detect AeroScout tags.
To enable AeroScout support, see “Configuring the AP Profile Global Settings” on page 608.
Configuring the Wireless Distribution System
The Wireless Distribution System (WDS)-Managed AP feature allows you to add managed APs to the cluster
using over-the-air WDS links through other managed APs. This capability is critical in providing a seamless
experience for roaming clients and for managing multiple wireless networks. It can also simplify the network
infrastructure by reducing the amount of cabling required. With WDS, APs may be located outdoors where
wired connection to the data network is unavailable, or in remote buildings that are not connected to the main
campus with a wired network.
The WDS AP group consists of two types of APs: root APs and satellite APs. A root AP acts as a bridge or
repeater on the wireless medium and communicates with the switch via the wired link. A satellite AP
communicates with the switch via a WDS link to the root AP. The WDS links are secured using WPA2 Personal
authentication and AES encryption.
Note: The following notes apply to AeroScout product and protocol support:
• D-Link does not sell AeroScout products. Contact AeroScout for AeroScout hardware, software or
deployment information.
• The AE protocol does not support any authentication or encryption between the AE server and
the access point.
• The AE protocol requires radios to operate in promiscuous mode. This means that the AP receives
and processes all packets detected by the radios, as opposed to processing only packets destined
to the APs BSSID. This can affect AP throughput.
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