SNR S2940-8G-v2 Switch Configuration Guide
Web Portal Configuration
Chapter 55
Web Portal Configuration
55.1 Introduction to Web Portal Authentication
802.1x authentication uses the special client to authenticate, the device uses the special layer 2
switch, the authentication server uses RADIUS server, the format of authentication message uses
EAP protocol. Use EAPOL encapsulation technique (encapsulate EAP packets within Ethernet
frame) to process the communication between client and authentication proxy switch, but au-
thentication proxy switch and authentication server use EAPOR encapsulation format (runn EAP
packets on Radius protocol) to process the communication. The device and RADIUS server use
RADIUS protocol to transmit PAP packets or CHAP packets when the device processes to relay.
For implementing identity authentication and network accessing, user should install the special
authentication client software, and spring the authentication flow to communicate with Radius
server through logging in authentication client. The after 802.1x authentication adds web based
authentication mode, the user can download a special Java Applet program by browser or other
plug-in to replace 802.1x client.
For the environment which uses 802.1x authentication, installing client or downloading the
special Java Applet program become a mortal problem. To satisfy user's actual requirement, the
manual describes an application scene based on web portal authentication. Web portal authenti-
cation not only implements the basic device authentication without the client but also implement
the security detection to the terminal.
55.2 Web Portal Authentication Configuration Task List
1. Enable/disable web portal authentication globally (required)
2. Enable/disable web portal authentication of the port (required)
3. Configure the max web portal binding number allowed by the port (optional)
4. Configure HTTP redirection address of web portal authentication (required)
5. Configure IP source address for communicating between accessing device and portal server
(required)
6. Enable dhcp snooping binding web portal function (optional)
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