H3C S9500 Series Operation Manual page 1241

Operation Manual – Portal
H3C S9500 Series Routing Switches
[Switch1] vlan 3
[Switch1-vlan3] port ethernet 2/1/3
[Switch1] interface vlan-interface 3
[Switch1-Vlan-interface3] ip address 172.21.1.1 255.255.0.0
[Switch1-Vlan-interface3] ip address 18.21.1.1 255.255.0.0 sub
# Configure the DHCP Relay address check (ip relay address must be specified as a
VLAN interface in Up state).
[Switch1-Vlan-interface3] ip relay address 9.0.0.1
[Switch1-Vlan-interface3] dhcp select relay
[Switch1-Vlan-interface3] dhcp relay security address-check enable
# Enable Portal authentication function on VLAN-interface 3. The name of the Portal
server is newp. Refer to
related configurations.
[Switch1-Vlan-interface3] portal newp
1.2.5 Layer 3 Portal Authentication Method Configuration Example
I. Network requirements
The user PC2 accesses the switch through a router. Layer 3 Portal authentication
method is enabled on the switch. User PC2 can access external networks after
passing Portal authentication.
II. Network diagram
Figure 1-4 Network diagram for Layer 3 Portal authentication method
Portal Direct Authentication Method Configuration Example
1-12
Chapter 1 Portal Configuration
for