
Summit WM Series WLAN Switch and Altitude Access Point Software Version 4.1 User Guide
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4 WM Access Domain Services (WM-AD)
This chapter describes WM Access Domain Services (WM-AD) concepts, including:
● WM-AD overview
● Setting up a WM-AD checklist
● Topology of a WM-AD
● RF assignment for a WM-AD
● Authentication for a WM-AD
● Filtering for a WM-AD
● Data protection on a WM-AD—WEP and WPA
● WM-AD global settings
● Setting up a new WM-AD
WM-AD overview
A WM-AD is an IP subnet designed to enable Altitude APs to interact with wireless devices. A WM-AD
is similar to a regular IP subnet. A WM-AD has the following properties:
● Each WM-AD is assigned a unique identifier.
● Each WM-AD is assigned a Service Set Identifier (SSID). The SSID does not have to be unique.
● Each WM-AD is assigned a range of IP addresses for wireless devices. All of the wireless devices
share the same IP address prefix—the part of the IP address that identifies the network and subnet.
The IP addresses of the wireless devices are assigned dynamically by the Summit WM series switch's
Dynamic Host Configuration Protocol (DHCP) server within the assigned range.
NOTE
If the WM-AD is in branch mode, the Summit WM series switch's DHCP server will not assign IP addresses to
the wireless devices. For a routed WM-AD, you can allow the enterprise network's DHCP server to provide the IP
addresses for the WM-AD by enabling DHCP Relay.
The assigned addresses must be within range of the WM-AD definition and the controller must be defined in the
network as the path for traffic delivery to the mobile units. For more information, see “Using a DHCP relay for
the WM-AD” on page 104.
These IP addresses are not virtual IP addresses. They are regular IP addresses and are unique over
the network. These IP addresses are advertised to other hosts on the network to exchange traffic
with the wireless devices in the WM-AD.
● A single overall filtering policy applies to all the wireless devices within the WM-AD. Additional
filtering can be applied when the wireless user is authenticated by the Remote Authentication Dial-
In User Service (RADIUS) server. This does not apply for a bridged WM-AD.
● When the Summit WM series switch creates a WM-AD, it also creates a virtual IP subnet for that
WM-AD. This does not apply for a bridged WM-AD.
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