3Com Router 3000 Ethernet FamilyConfiguration Guide Chapter 3 Portal Configuration3Com Corporation3-7[3Com] domain portal# Configure the ISP domain to use the RADIUS scheme named portal.[3Com-isp-portal] radius-scheme portal[3Com-isp-portal] quit# Configure the default ISP domain as portal (optional).[3Com] domain default enable portal3) Configure portal authentication# Configure the portal server with a name of newp, an IP address of 192.168.1.200, akey of huawei, a port of 50100, and a URL of http://192.168.1.200/portal.[3Com] portal server newp ip 192.168.1.200 key huawei port 50100 urlhttp://192.168.1.200/portal# Configure the portal operating mode as direct authentication.[3Com] portal method direct4) Enable portal authentication on the Ethernet interface connected to the user PC# Enable portal authentication on interface ethernet0/0/0.[3Com] interface ethernet0/0/0[3Com-ethernet0/0/0] ip address 172.21.1.1 255.255.0.0[3Com-ethernet0/0/0] portal newp[3Com-ethernet0/0/0] quit5) Configure interface ethernet1/0/0[3Com] interface ethernet 1/0/0[3Com-ethernet1/0/0] ip address 192.168.1.160 255.255.0.0For normal portal authentication, the above configurations are enough. A user can nowlaunch a web browser, enter the user name and password, and then access theInternet after successful portal authentication.For fast portal authentication, you still need to perform the following configuration:# Specify to perform fast portal authentication with user name fast and password 123.[3Com] portal fast-authentication server newp user-name fast password 123Note that the user name of fast and the password of 123 must be also configured on theRADIUS server. After completing the above configurations, the user can launch a webbrowser and access the Internet directly, without having to enter the user name andpassword.3.2.4 Portal Authentication Across Layer 3 Devices Configuration ExampleI. Network requirementsRouter A supports portal authentication, while Router B does not. The PC of the userconnects to Router A through Router B.
