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Enhanced and Resilient Security
The D-Link Unified Switch provides the highest levels of
security for both voice and data, with support for MAC
Authentication, Captive Portal, and industry standard
personal/enterprise WPA/WPA2 security. WPA2 utilizes
the Advanced Encryption Standard (AES), which is
considered to be the most robust and secure encryption
algorithm. The Unified Switch also provides means
to define and detect Rogue APs, preventing illegal
intrusions into the internal network. Security can be
pre-set and RF channels auto-adjusted for each AP, so
when an AP is added or removed, the entire network does
not have to be reconfigured. The switch will automatically
configure the new AP with the same configuration as the
previous units.
Dual Band Wireless Access Point
The DWL-8500AP operates on simultaneous dual 2.4GHz
and 5GHz frequency bands. This system provides
automatic adjustment of 802.11a/b/g RF channels,
multiple SSID for each frequency band, and optimal
transmit power to provide mobile users with high quality,
secure wireless signals.
Uninterrupted Wireless Connectivity
The system maintains a centralized database of wireless
user’s access information such as their MAC addresses
and authentication keys. As wireless users roam around
the office using wireless equipment, they may change
their connection from AP to AP. By constantly monitoring
the AP status, the switch can establish AP-to-AP roaming
for these users without requiring them to re-establish
authentication keys. This fast roaming process results in
disruption-free, reliable wireless connectivity crucial for
mobile applications such as Wi-Fi
®
IP phone and wireless
PDA connection. In addition to updating information of
APs managed by the same switch, the system also
supports AP information updates across multiple
peer switches. As a wireless user moves from one AP
affiliated to a switch to another AP connected to another
switch, inter-switch roaming is instantly performed
across the peer switches to produce a smooth, fast
wireless connection in a multi-departmental enterprise
environment.
Unified AP
The DWL-8500AP can be configured either as managed
or standalone APs. In managed mode, the switch
automatically discovers and centrally manages the APs.
Furthermore, all the configuration files and security
settings are pushed to the APs, significantly reducing IT
overhead as the WLAN network scales up. With WLAN,
users have the mobility to move around the network;
therefore the authentication and user tracking are
executed on the Unified Switch with a consolidated and
secure wireless system. They can also act as standalone
APs depending on the application or network condition.
Captive Portal
Apart from the wireless encryption standards, the Unified
Switch offers an addition level of security called “Captive
Portal”. Captive Portal is a web-based authentication
process in which the wireless clients request for access
through the web browser. The AP or switch port captures
HTTP/HTTPS traffic and then re-directs the client to an
authentication portal. Once the username and password
of the client has been authenticated by either the switch
or the RADIUS server, access is granted. Captive Portal
is SSID-based and supports fast roaming, making it an
ideal security solution.
Automatic Channel and Power Adjustment
Normally, when adding APs to the network, system
administrators select the unoccupied or least used RF
channels to avoid interference with other AP and RF
devices. They also set transmitter output power at a
level, strong enough for RF signals to reach wireless
clients, but weak enough to minimize interference with
other devices’ RF signals. To simplify this process and
optimize RF usage, the switch automatically adjusts the
RF channels and transmitter output power of the entire
system every time an AP is added to or removed from the
network. This automatic adjustment can be programmed
to take effect at a certain time or at specified intervals,
minimizing the need for network administrator to
manually intervene.
Unified Wired/Wireless Switching
AP Management
+ Each Switch Can Manage Up to 48
Wireless APs
+ Switch Ports Directly or Indirectly
Connect to APs
+ Mixed Wired Device/Wireless AP
Connection From Any Port
+ System Expandability: Can Include Up
to 4 Peer Switches
AP Configuration & Security
+ Self-Tuning Features to Adjust &
Optimize RF Settings
+ 64/128/152-bit WEP Data Encryption
+ WPA/WPA2 Personal
+ WPA/WPA2 Enterprise
+ 802.1x User Authentication
+ 802.1Q VLAN Tagging for Network
Segmentation
+ MAC Address Filtering
+ 8 SSID per Radio
+ WMM (Wi-Fi Multimedia) Certified
DWS-3024 & DWL-8500AP