3Com 8807 Configuration Manual page 273

Portal ReDHCP
Authentication Method
Configuration Example
n
3 Configure Portal authentication
# Configure the portal server. Its name is newp, IP address is 192.168.1.200, key is
3Com, port is 50100, and URL is http://192.168.1.200:81/portal/index_page.jsp
[SW8800] portal server newp ip 192.168.1.200 key 3Com port 50100 url
http://192.168.1.200/portal/index_default.jsp
# Set the Portal to run in the Direct authentication method
[SW8800] portal method direct
4 Enable Portal authentication on the VLAN interface connected with the user PC
# Configure VLAN 2
[SW8800] vlan 2
[3Com-vlan2] port ethernet 2/1/1 ethernet 2/1/2
[SW8800] interface vlan-interface 2
[3Com-Vlan-interface2] ip address 192.168.1.160 255.255.0.0
[3Com-Vlan-interface2] quit
# Configure VLAN 3
[SW8800] vlan 3
[3Com-vlan3] port ethernet 2/1/3
[3Com-vlan3] quit
[SW8800] interface vlan-interface 3
[3Com-Vlan-interface3] ip address 172.21.1.1 255.255.0.0
# Enable Portal authentication on VLAN interface 3
[3Com-Vlan-interface3] portal newp
Network requirements
Portal is enabled on the switch and Portal runs in the ReDHCP authentication
■
method.
Configure address pools on the DHCP server: 172.21.0.0/16 for public
■
networks and 18.21.0.0/16 for private networks.
The user was assigned a private address before passing Portal authentication.
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The user can access the external networks only after the user applies for a
public address after passing Portal authentication.
Network diagram
Refer to Figure 66.
Configuration procedure
Only the configurations related to the Portal ReDHCP authentication method
■
are listed below. Refer to "Portal Direct Authentication Method Configuration
Example" for the configurations on RADIUS schemes, ISP domains and Portal
servers.
Basic Portal Configuration 273