Manual
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370 
no authentication mab 
of MAC address, the no command restores the 
default authentication mode. 
48.3 MAB Example 
Example: 
The typical example of MAB authentication function: 
MAB application 
Switch1 is a layer 2 accessing switch, Switch2 is a layer 3 aggregation switch. 
Ethernet  1/1  is  an  access  port  of  Switch1,  connects  to  PC1,  it  enables  802.1x  port-based 
function and configures guest vlan as vlan8. 
Ethernet 1/2 is a hybrid port, connects to PC2, native vlan of the port is vlan1, and configures 
guest vlan as vlan8, it joins in vlan1, vlan8 and vlan10 with untag method and enables MAB 
function. 
Ethernet 1/3 is an access port, connects to the printer and enables MAB function. 
Ethernet 1/4 is a trunk port, connects to Switch2. 
Eth1/1 
Radius Server 
Switch1 
Update Server 
Internet 
Eth1/2 
Eth1/3 
PC1 
PC2 
Printer 
Switch2 
Ethernet1/4 
Ethernet1/4 
Eth1/1 
Eth1/2 
Eth1/3 










