3Com S7906E - Switch, Configuration Manual

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Configuring Layer 3 Portal Authentication
Network requirements
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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.
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The host accesses Switch A through Switch B
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A RADIUS server serves as the authentication/accounting server.
Figure 1-11 Configure Layer 3 portal authentication
Configuration procedure
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You need to configure IP addresses for the devices as shown in Figure 1-11 and ensure that routes
are available between devices.
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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