Figure 17-1. Connecting to the Captive Portal
Switch with Captive Portal
Default Captive Portal Welcome Screen (Displays in Captive Portal User's Browser)
The Captive Portal feature blocks hosts connected to the switch from
accessing the network until user verification has been established. You can
configure Captive Portal verification to allow access for both guest and
authenticated users. Authenticated users must be validated against a
database of authorized Captive Portal users before access is granted. The
database can be stored locally on the switch or on a RADIUS server.
Is the Captive Portal Feature Dependent on Any Other Feature?
If you require RADIUS authentication, you must configure the RADIUS
server information on the switch (see "Configuring RADIUS Server
Information" on page 222). You must also configure the RADIUS attributes
for Captive Portal users on the RADIUS server. For information about the
RADIUS attributes to configure, see Table 17-2.
You can configure the switch to send SNMP trap messages to any enabled
SNMP Trap Receivers for several Captive Portal events, such as when a
Captive Portal user has an authentication failure or when a Captive Portal
user successfully connects to the network. If you enable the traps, the switch
Configuring a Captive Portal