Brocade Communications Systems Mobility 7131 Series Service Manual download pdf (Page 164)

152 Brocade Mobility 7131 Access Point Product Reference Guide

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Configuring WLAN Hotspot Support

The access point enables hotspot operators to provide user authentication and accounting without

a special client application. The access point uses a traditional Internet browser as a secure

authentication device. Rather than rely on built-in 802.11security features to control access point

association privileges, configure a WLAN with no WEP (an open network). The access point issues

an IP address to the user using a DHCP server, authenticates the user and grants the user to

access the Internet.

When a user visits a public hotspot and wants to browse to a Web page, they boot up their laptop

and associate with the local Wi-Fi network by entering the correct SSID. They then start a browser.

The hotspot access controller forces this un-authenticated user to a Welcome page from the

hotspot Operator that allows the user to login with a username and password.

NOTE

Beginning with this most recent 4.1 release of the access point firmware, users now have the ability

to customize the appearance of an access point’s hotspot pages. The access point’s hotspot feature

is supported by three customer accessible pages (login page, welcome page and failure page)

displayed on the client attempting to access the AP’s supported hotspot. These three pages can be

unique to each hotspot supported by one of the access point’s 16 WLANs. For more information, see

Customizing a Hotspot Display on page 5-156.

The access point hotspot functionality requires the following:

• HTTP Redirection - Redirects unauthenticated users to a specific page specified by the

Hotspot provider.

• User authentication - Authenticates users using a Radius server.

• Walled garden support - Enables a list of IP address (not domain names) accessed without

authentication.

• Billing system integration - Sends accounting records to a Radius accounting server.

CAUTION

When using the access point’s hotspot functionality, ensure MUs are re-authenticated when

changes are made to the characteristics of a hotspot enabled WLAN, as MUs within the WLAN will

be dropped from access point device association.

To configure hotspot functionality for an access point WLAN:

1. Ensure the Enable Hotspot checkbox is selected from within the target WLAN screen, and

ensure the WLAN is properly configured.

Any of the sixteen WLANs on the access point can be configured as a hotspot. For hotspot

enabled WLANs, DHCP, DNS, HTTP and HTTPS traffic is allowed (before you login to the

hotspot), while TCP/IP packets are redirected to the port on the subnet to which the WLAN

is mapped. For WLANs not hotspot-enabled, all packets are allowed.

2. Click the Configure Hotspot button within the WLAN screen to display the Hotspot

Configuration screen for that target WLAN.

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Brocade Communications Systems Mobility 7131 Series Service Manual Page 164