Port, Security, Roubleshooting – QTECH QSW-2800 Инструкция по настройке User Manual
Page 99: 4 port security troubleshooting

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Switch(config-if- ethernet1/1)#switchport port-security maximum 10
Switch(config-if- ethernet1/1)#exit
Switch(config)#
12.4 PORT SECURITY
Troubleshooting
If problems occur when configuring PORT SECURITY, please check whether the problem is
caused by the following reasons:
Check whether PORT SECURITY is enabled normally
Check whether the valid maximum number of MAC addresses is configured