Configuring Layer 3 Portal Authentication - 3Com S7906E Configuration Manual

Configuring Layer 3 Portal Authentication

Network requirements
Switch A is configured for Layer 3 portal authentication. Before portal authentication, users can
access only the portal server. After passing portal authentication, they can access unrestricted
Internet resources.
The host accesses Switch A through Switch B
A RADIUS server serves as the authentication/accounting server.
Figure 1-11 Configure Layer 3 portal authentication
Configuration procedure
You need to configure IP addresses for the devices as shown in
are available between devices.
Perform configurations on the RADIUS server to ensure that the user authentication and
accounting functions can work normally.
Configure Switch A:
1) Configure a RADIUS scheme
# Create a RADIUS scheme named rs1 and enter its view.
<SwitchA> system-view
[SwitchA] radius scheme rs1
# Set the server type for the RADIUS scheme. When using the iMC server, you need set the server type
to extended.
[SwitchA-radius-rs1] server-type extended
# Specify the primary authentication server and primary accounting server, and configure the keys for
communication with the servers.
[SwitchA-radius-rs1] primary authentication 192.168.0.112
[SwitchA-radius-rs1] primary accounting 192.168.0.112
[SwitchA-radius-rs1] key authentication radius
Figure 1-11
1-20
and ensure that routes