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AOS-W Instant 6.2.1.0-3.3| User Guide Hotspot Profiles | 251
Chapter 26
Hotspot Profiles
This chapter describes the following procedures:
l Understanding Hotspot Profiles on page 251
l Advertisement Profiles for a Hotspot on page 254
l Configuring an NAI Realm Profile on page 255
l Configuring a Venue Name Profile on page 256
l Configuring a Network Authentication Profile on page 257
l Configuring a Roaming Consortium Profile on page 257
l Configuring a 3GPP Profile on page 258
l Configuring an IP Address Availability Profile on page 258
l Configuring a Domain Profile on page 258
l Configuring H2QP Profiles on page 258
l Configuring a Hotspot Profile on page 260
In the current release, Instant supports the hotspot profile configuration only through the CLI.
Understanding Hotspot Profiles
Hotspot 2.0 is a Wi-Fi Alliance specification based on the 802.11u protocol, which allows wireless clients to discover
hotspots using management frames (such as beacon, association request and association response), connect to
networks, and roam between networks without additional authentication.
The Hotspot 2.0 provides the following services:
l Network discovery and selection— Allows the clients to discover suitable and available networks by advertising
the access network type, roaming consortium, and venue information through the management frames. For
network discovery and selection, Generic Advertisement Service (GAS) and Access Network Query Protocol
(ANQP) are used.
l QOS Mapping Provides a mapping between the network-layer QoS packet marking and over- the-air QoS frame
marking based on user priority.
When a hotspot is configured in a network:
l The clients search for available hotspots using the beacon management frame.
l When a hotspot is found, client sends queries to obtain information about the type of network authentication and
IP address, and IP address availability using the Generic Advertisement Service (GAS)action frames.
l Based on the response of the advertisement Server (response to the GAS Action Frames), the relevant hotspot is
selected and the client attempts to associate with it.
l Based on the authentication mode used for mobility clients, the client authenticates to access the network.
Generic Advertisement Service (GAS)
GAS is a request-response protocol, which provides L2 transport mechanism between a wireless client and a server
in the network prior to authentication. It helps in determining an 802.11 infrastructure before associating clients and
allows clients to send queries to multiple 802.11 networks in parallel.
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