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3Com Router 3000 Ethernet Family
Configuration Guide
[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 portal
3)
Configure portal authentication
# Configure the portal server with a name of newp, an IP address of 192.168.1.200, a
key 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 url
http://192.168.1.200/portal
# Configure the portal operating mode as direct authentication.
[3Com] portal method direct
4)
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] quit
5)
Configure interface ethernet1/0/0
[3Com] interface ethernet 1/0/0
[3Com-ethernet1/0/0] ip address 192.168.1.160 255.255.0.0
For normal portal authentication, the above configurations are enough. A user can now
launch a web browser, enter the user name and password, and then access the
Internet 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 123
Note that the user name of fast and the password of 123 must be also configured on the
RADIUS server. After completing the above configurations, the user can launch a web
browser and access the Internet directly, without having to enter the user name and
password.
3.2.4 Portal Authentication Across Layer 3 Devices Configuration Example
I. Network requirements
Router A supports portal authentication, while Router B does not. The PC of the user
connects to Router A through Router B.
3Com Corporation
3-7
Chapter 3 Portal Configuration
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