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When a Portal server is first configured, you must configure the IP address for 
it.

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If a Portal server has been enabled on a VLAN interface, you must disable this 
Portal server on the VLAN interface before modifying its parameters.

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When Portal authentication is enabled, 802.1x protocol must be disabled 
globally.

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The name of the specified Portal server must be exist.

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When the Layer 3 authentication method is adopted, a default route must be 
configured on the layer 3 device between Portal users and the Portal-enabled 
switch.

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When the ReDHCP authentication method is adopted, the Portal-enabled 
switches can only be configured as DHCP Relay instead of DHCP Server.

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When Portal is enabled on a VLAN interface, it is forbidden to configure any 
more ACL rules related with this network segment on this VLAN interface (and 
the corresponding ports). Otherwise, the Portal function may be caused 
abnormal.

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Portal is enabled on the switch and Portal runs in the Direct authentication 
method.

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The switch uses a RADIUS server to implement authentication and accounting.

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Users can access only the Portal server before passing Portal authentication.

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Users can access external networks after passing Portal authentication.

Enable Portal authentication 
on a VLAN interface 

portal server-name 

Required 

Display the statistics about the 
state machines about 
authentication, connection 
and management 

display portal { acm | server 
| tcp-cheat } statistics 

- 

Display the information about 
Portal authentication network 
segment 

display portal [ 
auth-network [ auth-vlan-id 
] | free-ip | free-user | server 
[ server-name ] | vlan [ vlan-id 
] ] 

- 

Display the information about 
the Portal users 

display portal user [ ip 
ipaddress | interface 
interface-type 
interface-number | vlan 
vlan-id ] 

- 

Clear the statistics about 
Portal 

reset portal { acm | server | 
tcp-cheat } statistics 

-

Table 244   Basic Portal configuration procedure