Operation Manual – 802.1x 
Quidway S5600 Series Ethernet Switches-Release 1510  Chapter 1  
802.1x Configuration
 
Huawei Technologies Proprietary 
1-18 
1.5.4  Enabling DHCP-triggered Authentication 
After performing the following configuration, 802.1X allows running DHCP on access 
users, and triggers authentication when the user dynamically applies IP address. 
Table 1-5 Enable DHCP-triggered authentication 
Operation  Command  Description 
Enter system view 
system-view 
—
 
Enable 
DHCP-triggered 
authentication 
dot1x dhcp-launch 
Optional 
By default, DHCP-triggered 
authentication is disabled. 
 
1.5.5  Configuring Guest VLAN 
Table 1-6 Configure Guest VLAN 
Operation  Command  Description 
Enter system view 
system-view 
—
 
Configure port 
access method 
dot1x  port-method 
{ macbased | portbased } 
Optional 
The default port access 
method is 
MAC-address-based. That is, 
the  macbased keyword is 
used by default. 
Enable the Guest 
VLAN function 
dot1x guest-vlan  vlan-id 
[ interface interface-list ] 
Required 
By default, the Guest VLAN 
function is disabled. 
 
  Caution: 
z  The Guest VLAN function is available only when the switch operates in a port-based 
authentication mode. 
z  Only one Guest VLAN can be configured for each switch. 
 
1.6  Displaying and Debugging 802.1x 
After performing the above configurations, you can display and verify the 
802.1x-related configuration by executing the display command in any view.