H3C Technologies H3C S3100 Series Switches - Manual (Page 474)

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The auto mode allows a user to move between ports in the same VLAN rather than different VLANs. If
a user moves between VLANs, the access is denied but the previous port is still open for this user.
Configuring a Proxy Server Port for Web Authentication
When a proxy server is used for web authentication, its port must be specified. The port cannot be the
one used in the web-authentication web-server ip ip-address port port-number command; otherwise,
an error prompts.
Follow these steps to configure a proxy server port for web authentication:
To do… Use the command… Remarks
Enter system view system-view —
Configure a proxy server port
for web authentication web-authentication web-proxy port
port-number
Required
No proxy server port is confiugred by
default.
If the proxy server is detected through Web Proxy Auto Discovery (WPAD) rather than configured
manually, you need to perform the following configuration in addition to the port configuration:
z If DNS and WINS servers are providing services in the network, use the command
web-authentication free-ip to configure their IP addresses as web authentication free IP
addresses so that clients can access these severs.
z If no DHCP, DNS or WINS servers are deployed in the network, configure the broadcast address of
the subnet where the client resides as the web authentication free IP address so that the clients
can searches for a proxy server through broadcast.
Displaying and Maintaining Web Authentication
To do… Use the command… Remarks
Display global and port Web
authentication configuration information
display web-authentication configuration
Display information about specified or all
online Web-authentication users.
display web-authentication connection
{ all | interface interface-type
interface-number | user-name user-name }
Available in any
view