D-Link Marine Radio D-Link Unified Access Point Administrators User Manual

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Unied Access Point Administrator’s Guide
Unied Access Point Administrator’s Guide
Page 59
March 2012
Section 4 - Managing the Access Point
Controlling Access by MAC Authentication
A Media Access Control (MAC) address is a hardware address that uniquely identies each node of a network.
All IEEE 802 network devices share a common 48-bit MAC address format, usually displayed as a string of 12
hexadecimal digits separated by colons, for example 00:DC:BA:09:87:65. Each wireless network interface card (NIC)
used by a wireless client has a unique MAC address.
You can use the Administrator UI on the AP or use an external RADIUS server to control access to the network
through the AP based on the MAC address of the wireless client. This feature is called MAC Authentication or MAC
Filtering. To control access, you congure a global list of MAC addresses locally on the AP or on an external RADIUS
server. Then, you set a lter to specify whether the clients with those MAC addresses are allowed or denied access to
the network. When a wireless client attempts to associate with an AP, the AP looks up the MAC address of the client
in the local Stations List or on the RADIUS server. If it is found, the global allow or deny setting is applied. If it is not
found, the opposite is applied.
On the VAP page, the MAC Authentication Type setting controls whether the AP uses the station list congured
locally on the MAC Authentication page or the external RADIUS server. The Allow/Block lter setting on the MAC
Authentication page determines whether the clients in the station list (local or RADIUS) can access the network
through the AP. For more information about setting the MAC authentication type, see “Virtual Access Point Settings”
on page 47.
Conguring a MAC Filter and Station List on the AP
The MAC Authentication page allows you to control access to UAP based on MAC addresses. Based on how you
set the lter, you can allow only client stations with a listed MAC address or deny access to the stations listed.
When you enable MAC Authentication and specify a list of approved MAC addresses, only clients with a listed MAC
address can access the network. If you specify MAC addresses to deny, all clients can access the network except for
the clients on the deny list.
To enable ltering by MAC address, click the MAC Authentication tab.
Figure 28 - Congure MAC Authentication
Note: Global MAC Authentication settings apply to all VAPs on all supported radios.
The following table describes the elds and conguration options available on the MAC Authentication page.

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