H3C S7500E Series Ethernet Switches Operation Manual

Operation Manual – Portal
H3C S7500E Series Ethernet Switches Chapter 1 Portal Configuration
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1.8.2 Example for Configuring Re-DHCP Portal Authentication
I. Network requirements
z The switch is configured for re-DHCP authentication. Users obtain IP addresses
through the DHCP server. Before portal authentication, they get private IP
addresses. After passing portal authentication, they get public IP addresses and
then can access the Internet.
z A RADIUS server serves as the authentication/accounting server.
II. Network diagram
192.168.0.111/24
192.168.0.113/24
192.168.0.112/24
Switch
Host
automatically obtains
an IP address
Vlan-int100
20.20.20.1/24
10.0.0.1/24 sub
Vlan-int2
192.168.0.100/24
Portal server
RADIUS server
DHCP server
Figure 1-5 Network diagram for configuring re-DHCP portal authentication