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Verification
Use the display dot1x interface gigabitethernet 1/0/1 command to verify the 802.1X configuration.
After an 802.1X user passes RADIUS authentication, you can use the display connection command to
view the user connection information. If the user fails RADIUS authentication, local authentication is
performed.
802.1X with guest VLAN and VLAN assignment configuration
example
Network requirements
As shown in Figure 34:
• A host is connected to port GigabitEthernet 1/0/2 of the device and must pass 802.1X
authentication to access the Internet. GigabitEthernet 1/0/2 is in VLAN 1.
• GigabitEthernet 1/0/2 implements port-based access control.
• GigabitEthernet 1/0/3 is in VLAN 5 and is for accessing the Internet.
• The authentication server runs RADIUS and is in VLAN 2.
• The update server in VLAN 10 is for client software download and upgrade.
If no user performs 802.1X authentication on GigabitEthernet 1/0/2 within a period of time, the device
adds GigabitEthernet 1/0/2 to its guest VLAN, VLAN 10. The host and the update server are both in
VLAN 10 and the host can access the update server and download the 802.1X client software.
After the host passes 802.1X authentication, the network access device assigns the host to VLAN 5
where GigabitEthernet 1/0/3 is. The host can access the Internet.
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