QTech QSW-2800 series Configuration Manual - 46.4 Mab Troubleshooting
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Switch(config)#interface ethernet 1/4
Switch(config- if-ethernet1/4)# switchport mode trunk
46.4 MAB Troubleshooting
If there is any problem happens when using MAB function, please check whether the problem
is caused by the following reasons:
Make sure global and port MAB function are enabled;
Make sure the correct username and password of MAB authentication are used;
Make sure the radius-server configuration is correct.